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TROOT.cxx
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1// @(#)root/base:$Id$
2// Author: Rene Brun 08/12/94
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12/** \class TROOT
13\ingroup Base
14
15ROOT top level object description.
16
17The TROOT object is the entry point to the ROOT system.
18The single instance of TROOT is accessible via the global gROOT.
19Using the gROOT pointer one has access to basically every object
20created in a ROOT based program. The TROOT object is essentially a
21container of several lists pointing to the main ROOT objects.
22
23The following lists are accessible from gROOT object:
24
25~~~ {.cpp}
26 gROOT->GetListOfClasses
27 gROOT->GetListOfColors
28 gROOT->GetListOfTypes
29 gROOT->GetListOfGlobals
30 gROOT->GetListOfGlobalFunctions
31 gROOT->GetListOfFiles
32 gROOT->GetListOfMappedFiles
33 gROOT->GetListOfSockets
34 gROOT->GetListOfSecContexts
35 gROOT->GetListOfCanvases
36 gROOT->GetListOfStyles
37 gROOT->GetListOfFunctions
38 gROOT->GetListOfSpecials (for example graphical cuts)
39 gROOT->GetListOfGeometries
40 gROOT->GetListOfBrowsers
41 gROOT->GetListOfCleanups
42 gROOT->GetListOfMessageHandlers
43~~~
44
45The TROOT class provides also many useful services:
46 - Get pointer to an object in any of the lists above
47 - Time utilities TROOT::Time
48
49The ROOT object must be created as a static object. An example
50of a main program creating an interactive version is shown below:
51
52### Example of a main program
53
54~~~ {.cpp}
55 #include "TRint.h"
56
57 int main(int argc, char **argv)
58 {
59 TRint *theApp = new TRint("ROOT example", &argc, argv);
60
61 // Init Intrinsics, build all windows, and enter event loop
62 theApp->Run();
63
64 return(0);
65 }
66~~~
67*/
68
69#include <ROOT/RConfig.hxx>
71#include "RConfigure.h"
72#include "RConfigOptions.h"
73#include "RVersion.h"
74#include "RGitCommit.h"
75#include <string>
76#include <map>
77#include <cstdlib>
78#ifdef WIN32
79#include <io.h>
80#include "Windows4Root.h"
81#include <Psapi.h>
82#define RTLD_DEFAULT ((void *)::GetModuleHandle(NULL))
83//#define dlsym(library, function_name) ::GetProcAddress((HMODULE)library, function_name)
84#define dlopen(library_name, flags) ::LoadLibrary(library_name)
85#define dlclose(library) ::FreeLibrary((HMODULE)library)
86char *dlerror() {
87 static char Msg[1000];
88 FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(),
89 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), Msg,
90 sizeof(Msg), NULL);
91 return Msg;
92}
93FARPROC dlsym(void *library, const char *function_name)
94{
95 HMODULE hMods[1024];
96 DWORD cbNeeded;
97 FARPROC address = NULL;
98 unsigned int i;
99 if (library == RTLD_DEFAULT) {
100 if (EnumProcessModules(::GetCurrentProcess(), hMods, sizeof(hMods), &cbNeeded)) {
101 for (i = 0; i < (cbNeeded / sizeof(HMODULE)); i++) {
102 address = ::GetProcAddress((HMODULE)hMods[i], function_name);
103 if (address)
104 return address;
105 }
106 }
107 return address;
108 } else {
109 return ::GetProcAddress((HMODULE)library, function_name);
110 }
111}
112#else
113#include <dlfcn.h>
114#endif
115
116#include <iostream>
118#include "TROOT.h"
119#include "TClass.h"
120#include "TClassEdit.h"
121#include "TClassGenerator.h"
122#include "TDataType.h"
123#include "TStyle.h"
124#include "TObjectTable.h"
125#include "TClassTable.h"
126#include "TSystem.h"
127#include "THashList.h"
128#include "TObjArray.h"
129#include "TEnv.h"
130#include "TError.h"
131#include "TColor.h"
132#include "TGlobal.h"
133#include "TFunction.h"
134#include "TVirtualPad.h"
135#include "TBrowser.h"
136#include "TSystemDirectory.h"
137#include "TApplication.h"
138#include "TInterpreter.h"
139#include "TGuiFactory.h"
140#include "TMessageHandler.h"
141#include "TFolder.h"
142#include "TQObject.h"
143#include "TProcessUUID.h"
144#include "TPluginManager.h"
145#include "TVirtualMutex.h"
146#include "TListOfTypes.h"
147#include "TListOfDataMembers.h"
148#include "TListOfEnumsWithLock.h"
149#include "TListOfFunctions.h"
151#include "TFunctionTemplate.h"
152#include "ThreadLocalStorage.h"
153#include "TVirtualRWMutex.h"
154#include "TVirtualX.h"
155
156#if defined(R__UNIX)
157#if defined(R__HAS_COCOA)
158#include "TMacOSXSystem.h"
159#include "TUrl.h"
160#else
161#include "TUnixSystem.h"
162#endif
163#elif defined(R__WIN32)
164#include "TWinNTSystem.h"
165#endif
166
167extern "C" void R__SetZipMode(int);
168
170static void *gInterpreterLib = nullptr;
171
172// Mutex for protection of concurrent gROOT access
175
176// For accessing TThread::Tsd indirectly.
177void **(*gThreadTsd)(void*,Int_t) = nullptr;
178
179//-------- Names of next three routines are a small homage to CMZ --------------
180////////////////////////////////////////////////////////////////////////////////
181/// Return version id as an integer, i.e. "2.22/04" -> 22204.
182
183static Int_t IVERSQ()
184{
185 Int_t maj, min, cycle;
186 sscanf(ROOT_RELEASE, "%d.%d/%d", &maj, &min, &cycle);
187 return 10000*maj + 100*min + cycle;
188}
189
190////////////////////////////////////////////////////////////////////////////////
191/// Return built date as integer, i.e. "Apr 28 2000" -> 20000428.
192
193static Int_t IDATQQ(const char *date)
194{
195 static const char *months[] = {"Jan","Feb","Mar","Apr","May",
196 "Jun","Jul","Aug","Sep","Oct",
197 "Nov","Dec"};
198
199 char sm[12];
200 Int_t yy, mm=0, dd;
201 sscanf(date, "%s %d %d", sm, &dd, &yy);
202 for (int i = 0; i < 12; i++)
203 if (!strncmp(sm, months[i], 3)) {
204 mm = i+1;
205 break;
206 }
207 return 10000*yy + 100*mm + dd;
208}
209
210////////////////////////////////////////////////////////////////////////////////
211/// Return built time as integer (with min precision), i.e.
212/// "17:32:37" -> 1732.
213
214static Int_t ITIMQQ(const char *time)
215{
216 Int_t hh, mm, ss;
217 sscanf(time, "%d:%d:%d", &hh, &mm, &ss);
218 return 100*hh + mm;
219}
220
221////////////////////////////////////////////////////////////////////////////////
222/// Clean up at program termination before global objects go out of scope.
223
224static void CleanUpROOTAtExit()
225{
226 if (gROOT) {
228
229 if (gROOT->GetListOfFiles())
230 gROOT->GetListOfFiles()->Delete("slow");
231 if (gROOT->GetListOfSockets())
232 gROOT->GetListOfSockets()->Delete();
233 if (gROOT->GetListOfMappedFiles())
234 gROOT->GetListOfMappedFiles()->Delete("slow");
235 if (gROOT->GetListOfClosedObjects())
236 gROOT->GetListOfClosedObjects()->Delete("slow");
237 }
238}
239
240////////////////////////////////////////////////////////////////////////////////
241/// A module and its headers. Intentionally not a copy:
242/// If these strings end up in this struct they are
243/// long lived by definition because they get passed in
244/// before initialization of TCling.
245
246namespace {
247 struct ModuleHeaderInfo_t {
248 ModuleHeaderInfo_t(const char* moduleName,
249 const char** headers,
250 const char** includePaths,
251 const char* payloadCode,
252 const char* fwdDeclCode,
253 void (*triggerFunc)(),
254 const TROOT::FwdDeclArgsToKeepCollection_t& fwdDeclsArgToSkip,
255 const char **classesHeaders,
256 bool hasCxxModule):
257 fModuleName(moduleName),
258 fHeaders(headers),
259 fPayloadCode(payloadCode),
260 fFwdDeclCode(fwdDeclCode),
261 fIncludePaths(includePaths),
262 fTriggerFunc(triggerFunc),
263 fClassesHeaders(classesHeaders),
264 fFwdNargsToKeepColl(fwdDeclsArgToSkip),
265 fHasCxxModule(hasCxxModule) {}
266
267 const char* fModuleName; // module name
268 const char** fHeaders; // 0-terminated array of header files
269 const char* fPayloadCode; // Additional code to be given to cling at library load
270 const char* fFwdDeclCode; // Additional code to let cling know about selected classes and functions
271 const char** fIncludePaths; // 0-terminated array of header files
272 void (*fTriggerFunc)(); // Pointer to the dict initialization used to find the library name
273 const char** fClassesHeaders; // 0-terminated list of classes and related header files
274 const TROOT::FwdDeclArgsToKeepCollection_t fFwdNargsToKeepColl; // Collection of
275 // pairs of template fwd decls and number of
276 bool fHasCxxModule; // Whether this module has a C++ module alongside it.
277 };
278
279 std::vector<ModuleHeaderInfo_t>& GetModuleHeaderInfoBuffer() {
280 static std::vector<ModuleHeaderInfo_t> moduleHeaderInfoBuffer;
281 return moduleHeaderInfoBuffer;
282 }
283}
284
287
288static void at_exit_of_TROOT() {
291}
292
293// This local static object initializes the ROOT system
294namespace ROOT {
295namespace Internal {
297 // Simple wrapper to separate, time-wise, the call to the
298 // TROOT destructor and the actual free-ing of the memory.
299 //
300 // Since the interpreter implementation (currently TCling) is
301 // loaded via dlopen by libCore, the destruction of its global
302 // variable (i.e. in particular clang's) is scheduled before
303 // those in libCore so we need to schedule the call to the TROOT
304 // destructor before that *but* we want to make sure the memory
305 // stay around until libCore itself is unloaded so that code
306 // using gROOT can 'properly' check for validity.
307 //
308 // The order of loading for is:
309 // libCore.so
310 // libRint.so
311 // ... anything other library hard linked to the executable ...
312 // ... for example libEvent
313 // libCling.so
314 // ... other libraries like libTree for example ....
315 // and the destruction order is (of course) the reverse.
316 // By default the unloading of the dictionary, does use
317 // the service of the interpreter ... which of course
318 // fails if libCling is already unloaded by that information
319 // has not been registered per se.
320 //
321 // To solve this problem, we now schedule the destruction
322 // of the TROOT object to happen _just_ before the
323 // unloading/destruction of libCling so that we can
324 // maximize the amount of clean-up we can do correctly
325 // and we can still allocate the TROOT object's memory
326 // statically.
327 //
328 union {
330 char fHolder[sizeof(TROOT)];
331 };
332 public:
333 TROOTAllocator(): fObj("root", "The ROOT of EVERYTHING")
334 {}
335
337 if (gROOTLocal) {
339 }
340 }
341 };
342
343 // The global gROOT is defined to be a function (ROOT::GetROOT())
344 // which itself is dereferencing a function pointer.
345
346 // Initially this function pointer's value is & GetROOT1 whose role is to
347 // create and initialize the TROOT object itself.
348 // At the very end of the TROOT constructor the value of the function pointer
349 // is switch to & GetROOT2 whose role is to initialize the interpreter.
350
351 // This mechanism was primarily intended to fix the issues with order in which
352 // global TROOT and LLVM globals are initialized. TROOT was initializing
353 // Cling, but Cling could not be used yet due to LLVM globals not being
354 // Initialized yet. The solution is to delay initializing the interpreter in
355 // TROOT till after main() when all LLVM globals are initialized.
356
357 // Technically, the mechanism used actually delay the interpreter
358 // initialization until the first use of gROOT *after* the end of the
359 // TROOT constructor.
360
361 // So to delay until after the start of main, we also made sure that none
362 // of the ROOT code (mostly the dictionary code) used during library loading
363 // is using gROOT (directly or indirectly).
364
365 // In practice, the initialization of the interpreter is now delayed until
366 // the first use gROOT (or gInterpreter) after the start of main (but user
367 // could easily break this by using gROOT in their library initialization
368 // code).
369
370 extern TROOT *gROOTLocal;
371
373 if (gROOTLocal)
374 return gROOTLocal;
375 static TROOTAllocator alloc;
376 return gROOTLocal;
377 }
378
380 static Bool_t initInterpreter = kFALSE;
381 if (!initInterpreter) {
382 initInterpreter = kTRUE;
384 // Load and init threads library
386 }
387 return gROOTLocal;
388 }
389 typedef TROOT *(*GetROOTFun_t)();
390
392
393 static Func_t GetSymInLibImt(const char *funcname)
394 {
395 const static bool loadSuccess = dlsym(RTLD_DEFAULT, "usedToIdentifyRootClingByDlSym")? false : 0 <= gSystem->Load("libImt");
396 if (loadSuccess) {
397 if (auto sym = gSystem->DynFindSymbol(nullptr, funcname)) {
398 return sym;
399 } else {
400 Error("GetSymInLibImt", "Cannot get symbol %s.", funcname);
401 }
402 }
403 return nullptr;
404 }
405
406 //////////////////////////////////////////////////////////////////////////////
407 /// Globally enables the parallel branch processing, which is a case of
408 /// implicit multi-threading (IMT) in ROOT, activating the required locks.
409 /// This IMT use case, implemented in TTree::GetEntry, spawns a task for
410 /// each branch of the tree. Therefore, a task takes care of the reading,
411 /// decompression and deserialisation of a given branch.
413 {
414#ifdef R__USE_IMT
415 static void (*sym)() = (void(*)())Internal::GetSymInLibImt("ROOT_TImplicitMT_EnableParBranchProcessing");
416 if (sym)
417 sym();
418#else
419 ::Warning("EnableParBranchProcessing", "Cannot enable parallel branch processing, please build ROOT with -Dimt=ON");
420#endif
421 }
422
423 //////////////////////////////////////////////////////////////////////////////
424 /// Globally disables the IMT use case of parallel branch processing,
425 /// deactivating the corresponding locks.
427 {
428#ifdef R__USE_IMT
429 static void (*sym)() = (void(*)())Internal::GetSymInLibImt("ROOT_TImplicitMT_DisableParBranchProcessing");
430 if (sym)
431 sym();
432#else
433 ::Warning("DisableParBranchProcessing", "Cannot disable parallel branch processing, please build ROOT with -Dimt=ON");
434#endif
435 }
436
437 //////////////////////////////////////////////////////////////////////////////
438 /// Returns true if parallel branch processing is enabled.
440 {
441#ifdef R__USE_IMT
442 static Bool_t (*sym)() = (Bool_t(*)())Internal::GetSymInLibImt("ROOT_TImplicitMT_IsParBranchProcessingEnabled");
443 if (sym)
444 return sym();
445 else
446 return kFALSE;
447#else
448 return kFALSE;
449#endif
450 }
451
452 ////////////////////////////////////////////////////////////////////////////////
453 /// Keeps track of the status of ImplicitMT w/o resorting to the load of
454 /// libImt
456 {
457 static Bool_t isImplicitMTEnabled = kFALSE;
458 return isImplicitMTEnabled;
459 }
460
461} // end of Internal sub namespace
462// back to ROOT namespace
463
465 return (*Internal::gGetROOT)();
466 }
467
469 static TString macroPath;
470 return macroPath;
471 }
472
473 // clang-format off
474 ////////////////////////////////////////////////////////////////////////////////
475 /// Enables the global mutex to make ROOT thread safe/aware.
476 ///
477 /// The following becomes safe:
478 /// - concurrent construction and destruction of TObjects, including the ones registered in ROOT's global lists (e.g. gROOT->GetListOfCleanups(), gROOT->GetListOfFiles())
479 /// - concurrent usage of _different_ ROOT objects from different threads, including ones with global state (e.g. TFile, TTree, TChain) with the exception of graphics classes (e.g. TCanvas)
480 /// - concurrent calls to ROOT's type system classes, e.g. TClass and TEnum
481 /// - concurrent calls to the interpreter through gInterpreter
482 /// - concurrent loading of ROOT plug-ins
483 ///
484 /// In addition, gDirectory, gFile and gPad become a thread-local variable.
485 /// In all threads, gDirectory defaults to gROOT, a singleton which supports thread-safe insertion and deletion of contents.
486 /// gFile and gPad default to nullptr, as it is for single-thread programs.
487 ///
488 /// The ROOT graphics subsystem is not made thread-safe by this method. In particular drawing or printing different
489 /// canvases from different threads (and analogous operations such as invoking `Draw` on a `TObject`) is not thread-safe.
490 ///
491 /// Note that there is no `DisableThreadSafety()`. ROOT's thread-safety features cannot be disabled once activated.
492 // clang-format on
494 {
495 static void (*sym)() = (void(*)())Internal::GetSymInLibImt("ROOT_TThread_Initialize");
496 if (sym)
497 sym();
498 }
499
500 ////////////////////////////////////////////////////////////////////////////////
501 /// @param[in] numthreads Number of threads to use. If not specified or
502 /// set to zero, the number of threads is automatically
503 /// decided by the implementation. Any other value is
504 /// used as a hint.
505 ///
506 /// ROOT must be built with the compilation flag `imt=ON` for this feature to be available.
507 /// The following objects and methods automatically take advantage of
508 /// multi-threading if a call to `EnableImplicitMT` has been made before usage:
509 ///
510 /// - RDataFrame internally runs the event-loop by parallelizing over clusters of entries
511 /// - TTree::GetEntry reads multiple branches in parallel
512 /// - TTree::FlushBaskets writes multiple baskets to disk in parallel
513 /// - TTreeCacheUnzip decompresses the baskets contained in a TTreeCache in parallel
514 /// - THx::Fit performs in parallel the evaluation of the objective function over the data
515 /// - TMVA::DNN trains the deep neural networks in parallel
516 /// - TMVA::BDT trains the classifier in parallel and multiclass BDTs are evaluated in parallel
517 ///
518 /// EnableImplicitMT calls in turn EnableThreadSafety.
519 /// The 'numthreads' parameter allows to control the number of threads to
520 /// be used by the implicit multi-threading. However, this parameter is just
521 /// a hint for ROOT: it will try to satisfy the request if the execution
522 /// scenario allows it. For example, if ROOT is configured to use an external
523 /// scheduler, setting a value for 'numthreads' might not have any effect.
524 ///
525 /// \note Use `DisableImplicitMT()` to disable multi-threading (some locks will remain in place as
526 /// described in EnableThreadSafety()). `EnableImplicitMT(1)` creates a thread-pool of size 1.
527 void EnableImplicitMT(UInt_t numthreads)
528 {
529#ifdef R__USE_IMT
531 return;
533 static void (*sym)(UInt_t) = (void(*)(UInt_t))Internal::GetSymInLibImt("ROOT_TImplicitMT_EnableImplicitMT");
534 if (sym)
535 sym(numthreads);
537#else
538 ::Warning("EnableImplicitMT", "Cannot enable implicit multi-threading with %d threads, please build ROOT with -Dimt=ON", numthreads);
539#endif
540 }
541
542 ////////////////////////////////////////////////////////////////////////////////
543 /// Disables the implicit multi-threading in ROOT (see EnableImplicitMT).
545 {
546#ifdef R__USE_IMT
547 static void (*sym)() = (void(*)())Internal::GetSymInLibImt("ROOT_TImplicitMT_DisableImplicitMT");
548 if (sym)
549 sym();
551#else
552 ::Warning("DisableImplicitMT", "Cannot disable implicit multi-threading, please build ROOT with -Dimt=ON");
553#endif
554 }
555
556 ////////////////////////////////////////////////////////////////////////////////
557 /// Returns true if the implicit multi-threading in ROOT is enabled.
559 {
561 }
562
563 ////////////////////////////////////////////////////////////////////////////////
564 /// Returns the size of ROOT's thread pool
566 {
567#ifdef R__USE_IMT
568 static UInt_t (*sym)() = (UInt_t(*)())Internal::GetSymInLibImt("ROOT_MT_GetThreadPoolSize");
569 if (sym)
570 return sym();
571 else
572 return 0;
573#else
574 return 0;
575#endif
576 }
577} // end of ROOT namespace
578
580
581// Global debug flag (set to > 0 to get debug output).
582// Can be set either via the interpreter (gDebug is exported to CINT),
583// via the rootrc resource "Root.Debug", via the shell environment variable
584// ROOTDEBUG, or via the debugger.
586
587
589
590////////////////////////////////////////////////////////////////////////////////
591/// Default ctor.
592
594 fLineIsProcessing(0), fVersion(0), fVersionInt(0), fVersionCode(0),
595 fVersionDate(0), fVersionTime(0), fBuiltDate(0), fBuiltTime(0),
596 fTimer(0), fApplication(nullptr), fInterpreter(nullptr), fBatch(kTRUE),
597 fIsWebDisplay(kFALSE), fIsWebDisplayBatch(kFALSE), fEditHistograms(kTRUE),
598 fFromPopUp(kTRUE),fMustClean(kTRUE),fForceStyle(kFALSE),
599 fInterrupt(kFALSE),fEscape(kFALSE),fExecutingMacro(kFALSE),fEditorMode(0),
600 fPrimitive(nullptr),fSelectPad(nullptr),fClasses(nullptr),fTypes(nullptr),fGlobals(nullptr),fGlobalFunctions(nullptr),
601 fClosedObjects(nullptr),fFiles(nullptr),fMappedFiles(nullptr),fSockets(nullptr),fCanvases(nullptr),fStyles(nullptr),fFunctions(nullptr),
602 fTasks(nullptr),fColors(nullptr),fGeometries(nullptr),fBrowsers(nullptr),fSpecials(nullptr),fCleanups(nullptr),
603 fMessageHandlers(nullptr),fStreamerInfo(nullptr),fClassGenerators(nullptr),fSecContexts(nullptr),
604 fProofs(nullptr),fClipboard(nullptr),fDataSets(nullptr),fUUIDs(nullptr),fRootFolder(nullptr),fBrowsables(nullptr),
605 fPluginManager(nullptr)
606{
607}
608
609////////////////////////////////////////////////////////////////////////////////
610/// Initialize the ROOT system. The creation of the TROOT object initializes
611/// the ROOT system. It must be the first ROOT related action that is
612/// performed by a program. The TROOT object must be created on the stack
613/// (can not be called via new since "operator new" is protected). The
614/// TROOT object is either created as a global object (outside the main()
615/// program), or it is one of the first objects created in main().
616/// Make sure that the TROOT object stays in scope for as long as ROOT
617/// related actions are performed. TROOT is a so called singleton so
618/// only one instance of it can be created. The single TROOT object can
619/// always be accessed via the global pointer gROOT.
620/// The name and title arguments can be used to identify the running
621/// application. The initfunc argument can contain an array of
622/// function pointers (last element must be 0). These functions are
623/// executed at the end of the constructor. This way one can easily
624/// extend the ROOT system without adding permanent dependencies
625/// (e.g. the graphics system is initialized via such a function).
626
627TROOT::TROOT(const char *name, const char *title, VoidFuncPtr_t *initfunc)
628 : TDirectory(), fLineIsProcessing(0), fVersion(0), fVersionInt(0), fVersionCode(0),
629 fVersionDate(0), fVersionTime(0), fBuiltDate(0), fBuiltTime(0),
630 fTimer(0), fApplication(nullptr), fInterpreter(nullptr), fBatch(kTRUE),
631 fIsWebDisplay(kFALSE), fIsWebDisplayBatch(kFALSE), fEditHistograms(kTRUE),
632 fFromPopUp(kTRUE),fMustClean(kTRUE),fForceStyle(kFALSE),
633 fInterrupt(kFALSE),fEscape(kFALSE),fExecutingMacro(kFALSE),fEditorMode(0),
634 fPrimitive(nullptr),fSelectPad(nullptr),fClasses(nullptr),fTypes(nullptr),fGlobals(nullptr),fGlobalFunctions(nullptr),
635 fClosedObjects(nullptr),fFiles(nullptr),fMappedFiles(nullptr),fSockets(nullptr),fCanvases(nullptr),fStyles(nullptr),fFunctions(nullptr),
636 fTasks(nullptr),fColors(nullptr),fGeometries(nullptr),fBrowsers(nullptr),fSpecials(nullptr),fCleanups(nullptr),
637 fMessageHandlers(nullptr),fStreamerInfo(nullptr),fClassGenerators(nullptr),fSecContexts(nullptr),
638 fProofs(nullptr),fClipboard(nullptr),fDataSets(nullptr),fUUIDs(nullptr),fRootFolder(nullptr),fBrowsables(nullptr),
639 fPluginManager(nullptr)
640{
642 //Warning("TROOT", "only one instance of TROOT allowed");
643 return;
644 }
645
647
649 gDirectory = nullptr;
650
651 SetName(name);
652 SetTitle(title);
653
654 // will be used by global "operator delete" so make sure it is set
655 // before anything is deleted
656 fMappedFiles = nullptr;
657
658 // create already here, but only initialize it after gEnv has been created
660
661 // Initialize Operating System interface
662 InitSystem();
663
664 // Initialize static directory functions
665 GetRootSys();
666 GetBinDir();
667 GetLibDir();
669 GetEtcDir();
670 GetDataDir();
671 GetDocDir();
672 GetMacroDir();
674 GetSourceDir();
675 GetIconPath();
677
679
680 TDirectory::BuildDirectory(nullptr, nullptr);
681
682 // Initialize interface to CINT C++ interpreter
683 fVersionInt = 0; // check in TROOT dtor in case TCling fails
684 fClasses = nullptr; // might be checked via TCling ctor
685 fEnums = nullptr;
686
687 fConfigOptions = R__CONFIGUREOPTIONS;
688 fConfigFeatures = R__CONFIGUREFEATURES;
694 fBuiltDate = IDATQQ(__DATE__);
695 fBuiltTime = ITIMQQ(__TIME__);
696
697 ReadGitInfo();
698
699 fClasses = new THashTable(800,3); fClasses->UseRWLock();
700 //fIdMap = new IdMap_t;
703
704 // usedToIdentifyRootClingByDlSym is available when TROOT is part of
705 // rootcling.
706 if (!dlsym(RTLD_DEFAULT, "usedToIdentifyRootClingByDlSym")) {
707 // initialize plugin manager early
709 }
710
711 TSystemDirectory *workdir = new TSystemDirectory("workdir", gSystem->WorkingDirectory());
712
713 auto setNameLocked = [](TSeqCollection *l, const char *collection_name) {
714 l->SetName(collection_name);
715 l->UseRWLock();
716 return l;
717 };
718
719 fTimer = 0;
720 fApplication = nullptr;
721 fColors = setNameLocked(new TObjArray(1000), "ListOfColors");
722 fTypes = nullptr;
723 fGlobals = nullptr;
724 fGlobalFunctions = nullptr;
725 // fList was created in TDirectory::Build but with different sizing.
726 delete fList;
727 fList = new THashList(1000,3); fList->UseRWLock();
728 fClosedObjects = setNameLocked(new TList, "ClosedFiles");
729 fFiles = setNameLocked(new TList, "Files");
730 fMappedFiles = setNameLocked(new TList, "MappedFiles");
731 fSockets = setNameLocked(new TList, "Sockets");
732 fCanvases = setNameLocked(new TList, "Canvases");
733 fStyles = setNameLocked(new TList, "Styles");
734 fFunctions = setNameLocked(new TList, "Functions");
735 fTasks = setNameLocked(new TList, "Tasks");
736 fGeometries = setNameLocked(new TList, "Geometries");
737 fBrowsers = setNameLocked(new TList, "Browsers");
738 fSpecials = setNameLocked(new TList, "Specials");
739 fBrowsables = (TList*)setNameLocked(new TList, "Browsables");
740 fCleanups = setNameLocked(new THashList, "Cleanups");
741 fMessageHandlers = setNameLocked(new TList, "MessageHandlers");
742 fSecContexts = setNameLocked(new TList, "SecContexts");
743 fProofs = setNameLocked(new TList, "Proofs");
744 fClipboard = setNameLocked(new TList, "Clipboard");
745 fDataSets = setNameLocked(new TList, "DataSets");
747
749 fUUIDs = new TProcessUUID();
750
751 fRootFolder = new TFolder();
752 fRootFolder->SetName("root");
753 fRootFolder->SetTitle("root of all folders");
754 fRootFolder->AddFolder("Classes", "List of Active Classes",fClasses);
755 fRootFolder->AddFolder("Colors", "List of Active Colors",fColors);
756 fRootFolder->AddFolder("MapFiles", "List of MapFiles",fMappedFiles);
757 fRootFolder->AddFolder("Sockets", "List of Socket Connections",fSockets);
758 fRootFolder->AddFolder("Canvases", "List of Canvases",fCanvases);
759 fRootFolder->AddFolder("Styles", "List of Styles",fStyles);
760 fRootFolder->AddFolder("Functions", "List of Functions",fFunctions);
761 fRootFolder->AddFolder("Tasks", "List of Tasks",fTasks);
762 fRootFolder->AddFolder("Geometries","List of Geometries",fGeometries);
763 fRootFolder->AddFolder("Browsers", "List of Browsers",fBrowsers);
764 fRootFolder->AddFolder("Specials", "List of Special Objects",fSpecials);
765 fRootFolder->AddFolder("Handlers", "List of Message Handlers",fMessageHandlers);
766 fRootFolder->AddFolder("Cleanups", "List of RecursiveRemove Collections",fCleanups);
767 fRootFolder->AddFolder("StreamerInfo","List of Active StreamerInfo Classes",fStreamerInfo);
768 fRootFolder->AddFolder("SecContexts","List of Security Contexts",fSecContexts);
769 fRootFolder->AddFolder("PROOF Sessions", "List of PROOF sessions",fProofs);
770 fRootFolder->AddFolder("ROOT Memory","List of Objects in the gROOT Directory",fList);
771 fRootFolder->AddFolder("ROOT Files","List of Connected ROOT Files",fFiles);
772
773 // by default, add the list of files, tasks, canvases and browsers in the Cleanups list
779 // And add TROOT's TDirectory personality
781
786 fEscape = kFALSE;
788 fPrimitive = nullptr;
789 fSelectPad = nullptr;
790 fEditorMode = 0;
791 fDefCanvasName = "c1";
793 fLineIsProcessing = 1; // This prevents WIN32 "Windows" thread to pick ROOT objects with mouse
794 gDirectory = this;
795 gPad = nullptr;
796
797 //set name of graphical cut class for the graphics editor
798 //cannot call SetCutClassName at this point because the TClass of TCutG
799 //is not yet build
800 fCutClassName = "TCutG";
801
802 // Create a default MessageHandler
803 new TMessageHandler((TClass*)nullptr);
804
805 // Create some styles
806 gStyle = nullptr;
808 SetStyle(gEnv->GetValue("Canvas.Style", "Modern"));
809
810 // Setup default (batch) graphics and GUI environment
813 gGXBatch = new TVirtualX("Batch", "ROOT Interface to batch graphics");
815
816#if defined(R__WIN32)
817 fBatch = kFALSE;
818#elif defined(R__HAS_COCOA)
819 fBatch = kFALSE;
820#else
821 if (gSystem->Getenv("DISPLAY"))
822 fBatch = kFALSE;
823 else
824 fBatch = kTRUE;
825#endif
826
827 int i = 0;
828 while (initfunc && initfunc[i]) {
829 (initfunc[i])();
830 fBatch = kFALSE; // put system in graphics mode (backward compatible)
831 i++;
832 }
833
834 // Set initial/default list of browsable objects
835 fBrowsables->Add(fRootFolder, "root");
836 fBrowsables->Add(fProofs, "PROOF Sessions");
838 fBrowsables->Add(fFiles, "ROOT Files");
839
840 atexit(CleanUpROOTAtExit);
841
843}
844
845////////////////////////////////////////////////////////////////////////////////
846/// Clean up and free resources used by ROOT (files, network sockets,
847/// shared memory segments, etc.).
848
850{
851 using namespace ROOT::Internal;
852
853 if (gROOTLocal == this) {
854
855 // If the interpreter has not yet been initialized, don't bother
857
858 // Mark the object as invalid, so that we can veto some actions
859 // (like autoloading) while we are in the destructor.
861
862 // Turn-off the global mutex to avoid recreating mutexes that have
863 // already been deleted during the destruction phase
864 if (gGlobalMutex) {
866 gGlobalMutex = nullptr;
867 delete m;
868 }
869
870 // Return when error occurred in TCling, i.e. when setup file(s) are
871 // out of date
872 if (!fVersionInt) return;
873
874 // ATTENTION!!! Order is important!
875
877
878 // FIXME: Causes rootcling to deadlock, debug and uncomment
879 // SafeDelete(fRootFolder);
880
881#ifdef R__COMPLETE_MEM_TERMINATION
882 fSpecials->Delete(); SafeDelete(fSpecials); // delete special objects : PostScript, Minuit, Html
883#endif
884
885 fClosedObjects->Delete("slow"); // and closed files
886 fFiles->Delete("slow"); // and files
888 fSecContexts->Delete("slow"); SafeDelete(fSecContexts); // and security contexts
889 fSockets->Delete(); SafeDelete(fSockets); // and sockets
890 fMappedFiles->Delete("slow"); // and mapped files
891 TSeqCollection *tl = fMappedFiles; fMappedFiles = nullptr; delete tl;
892
894
895 delete fUUIDs;
896 TProcessID::Cleanup(); // and list of ProcessIDs
897
904
905#ifdef R__COMPLETE_MEM_TERMINATION
910#endif
911
912 // Stop emitting signals
914
916
917#ifdef R__COMPLETE_MEM_TERMINATION
923
924 fCleanups->Clear();
926 delete gClassTable; gClassTable = 0;
927 delete gEnv; gEnv = 0;
928
929 if (fTypes) fTypes->Delete();
931 if (fGlobals) fGlobals->Delete();
935 fEnums.load()->Delete();
936
937 // FIXME: Causes segfault in rootcling, debug and uncomment
938 // fClasses->Delete(); SafeDelete(fClasses); // TClass'es must be deleted last
939#endif
940
941 // Remove shared libraries produced by the TSystem::CompileMacro() call
943
944 // Cleanup system class
948 delete gSystem;
949
950 // ROOT-6022:
951 // if (gInterpreterLib) dlclose(gInterpreterLib);
952#ifdef R__COMPLETE_MEM_TERMINATION
953 // On some 'newer' platform (Fedora Core 17+, Ubuntu 12), the
954 // initialization order is (by default?) is 'wrong' and so we can't
955 // delete the interpreter now .. because any of the static in the
956 // interpreter's library have already been deleted.
957 // On the link line, we must list the most dependent .o file
958 // and end with the least dependent (LLVM libraries), unfortunately,
959 // Fedora Core 17+ or Ubuntu 12 will also execute the initialization
960 // in the same order (hence doing libCore's before LLVM's and
961 // vice et versa for both the destructor. We worked around the
962 // initialization order by delay the TROOT creation until first use.
963 // We can not do the same for destruction as we have no way of knowing
964 // the last access ...
965 // So for now, let's avoid delete TCling except in the special build
966 // checking the completeness of the termination deletion.
967
968 // TODO: Should we do more cleanup here than just call delete?
969 // Segfaults rootcling in some cases, debug and uncomment:
970 //
971 // delete fInterpreter;
972
973 // We cannot delete fCleanups because of the logic in atexit which needs it.
975#endif
976
977#ifdef _MSC_VER
978 // usedToIdentifyRootClingByDlSym is available when TROOT is part of rootcling.
979 if (dlsym(RTLD_DEFAULT, "usedToIdentifyRootClingByDlSym")) {
980 // deleting the interpreter makes things crash at exit in some cases
981 delete fInterpreter;
982 }
983#else
984 // deleting the interpreter makes things crash at exit in some cases
985 delete fInterpreter;
986#endif
987
988 // Prints memory stats
990
991 gROOTLocal = nullptr;
993 }
994}
995
996////////////////////////////////////////////////////////////////////////////////
997/// Add a class to the list and map of classes.
998/// This routine is deprecated, use TClass::AddClass directly.
999
1001{
1002 TClass::AddClass(cl);
1003}
1004
1005////////////////////////////////////////////////////////////////////////////////
1006/// Add a class generator. This generator will be called by TClass::GetClass
1007/// in case its does not find a loaded rootcint dictionary to request the
1008/// creation of a TClass object.
1009
1011{
1012 if (!generator) return;
1013 fClassGenerators->Add(generator);
1014}
1015
1016////////////////////////////////////////////////////////////////////////////////
1017/// Append object to this directory.
1018///
1019/// If replace is true:
1020/// remove any existing objects with the same same (if the name is not "")
1021
1022void TROOT::Append(TObject *obj, Bool_t replace /* = kFALSE */)
1023{
1025 TDirectory::Append(obj,replace);
1026}
1027
1028////////////////////////////////////////////////////////////////////////////////
1029/// Add browsable objects to TBrowser.
1030
1032{
1033 TObject *obj;
1034 TIter next(fBrowsables);
1035
1036 while ((obj = (TObject *) next())) {
1037 const char *opt = next.GetOption();
1038 if (opt && strlen(opt))
1039 b->Add(obj, opt);
1040 else
1041 b->Add(obj, obj->GetName());
1042 }
1043}
1044
1045////////////////////////////////////////////////////////////////////////////////
1046/// return class status bit kClassSaved for class cl
1047/// This function is called by the SavePrimitive functions writing
1048/// the C++ code for an object.
1049
1051{
1052 if (cl == nullptr) return kFALSE;
1053 if (cl->TestBit(TClass::kClassSaved)) return kTRUE;
1055 return kFALSE;
1056}
1057
1058namespace {
1059 static void R__ListSlowClose(TList *files)
1060 {
1061 // Routine to close a list of files using the 'slow' techniques
1062 // that also for the deletion ot update the list itself.
1063
1064 static TObject harmless;
1065 TObjLink *cursor = files->FirstLink();
1066 while (cursor) {
1067 TDirectory *dir = static_cast<TDirectory*>( cursor->GetObject() );
1068 if (dir) {
1069 // In order for the iterator to stay valid, we must
1070 // prevent the removal of the object (dir) from the list
1071 // (which is done in TFile::Close). We can also can not
1072 // just move to the next iterator since the Close might
1073 // also (indirectly) remove that file.
1074 // So we SetObject to a harmless value, so that 'dir'
1075 // is not seen as part of the list.
1076 // We will later, remove all the object (see files->Clear()
1077 cursor->SetObject(&harmless); // this must not be zero otherwise things go wrong.
1078 // See related comment at the files->Clear("nodelete");
1079 dir->Close("nodelete");
1080 // Put it back
1081 cursor->SetObject(dir);
1082 }
1083 cursor = cursor->Next();
1084 };
1085 // Now were done, clear the list but do not delete the objects as
1086 // they have been moved to the list of closed objects and must be
1087 // deleted from there in order to avoid a double delete from a
1088 // use objects (on the interpreter stack).
1089 files->Clear("nodelete");
1090 }
1091
1092 static void R__ListSlowDeleteContent(TList *files)
1093 {
1094 // Routine to delete the content of list of files using the 'slow' techniques
1095
1096 static TObject harmless;
1097 TObjLink *cursor = files->FirstLink();
1098 while (cursor) {
1099 TDirectory *dir = dynamic_cast<TDirectory*>( cursor->GetObject() );
1100 if (dir) {
1101 // In order for the iterator to stay valid, we must
1102 // prevent the removal of the object (dir) from the list
1103 // (which is done in TFile::Close). We can also can not
1104 // just move to the next iterator since the Close might
1105 // also (indirectly) remove that file.
1106 // So we SetObject to a harmless value, so that 'dir'
1107 // is not seen as part of the list.
1108 // We will later, remove all the object (see files->Clear()
1109 cursor->SetObject(&harmless); // this must not be zero otherwise things go wrong.
1110 // See related comment at the files->Clear("nodelete");
1111 dir->GetList()->Delete("slow");
1112 // Put it back
1113 cursor->SetObject(dir);
1114 }
1115 cursor = cursor->Next();
1116 };
1117 }
1118}
1119
1120////////////////////////////////////////////////////////////////////////////////
1121/// Close any files and sockets that gROOT knows about.
1122/// This can be used to insures that the files and sockets are closed before any library is unloaded!
1123
1125{
1126 if (fFiles && fFiles->First()) {
1127 R__ListSlowClose(static_cast<TList*>(fFiles));
1128 }
1129 // and Close TROOT itself.
1130 Close("slow");
1131 // Now sockets.
1132 if (fSockets && fSockets->First()) {
1133 if (nullptr==fCleanups->FindObject(fSockets) ) {
1136 }
1137 CallFunc_t *socketCloser = gInterpreter->CallFunc_Factory();
1138 Longptr_t offset = 0;
1139 TClass *socketClass = TClass::GetClass("TSocket");
1140 gInterpreter->CallFunc_SetFuncProto(socketCloser, socketClass->GetClassInfo(), "Close", "", &offset);
1141 if (gInterpreter->CallFunc_IsValid(socketCloser)) {
1142 static TObject harmless;
1143 TObjLink *cursor = static_cast<TList*>(fSockets)->FirstLink();
1144 TList notclosed;
1145 while (cursor) {
1146 TObject *socket = cursor->GetObject();
1147 // In order for the iterator to stay valid, we must
1148 // prevent the removal of the object (dir) from the list
1149 // (which is done in TFile::Close). We can also can not
1150 // just move to the next iterator since the Close might
1151 // also (indirectly) remove that file.
1152 // So we SetObject to a harmless value, so that 'dir'
1153 // is not seen as part of the list.
1154 // We will later, remove all the object (see files->Clear()
1155 cursor->SetObject(&harmless); // this must not be zero otherwise things go wrong.
1156
1157 if (socket->IsA()->InheritsFrom(socketClass)) {
1158 gInterpreter->CallFunc_Exec(socketCloser, ((char*)socket)+offset);
1159 // Put the object in the closed list for later deletion.
1160 socket->SetBit(kMustCleanup);
1162 } else {
1163 // Crap ... this is not a socket, likely Proof or something, let's try to find a Close
1164 Longptr_t other_offset;
1165 CallFunc_t *otherCloser = gInterpreter->CallFunc_Factory();
1166 gInterpreter->CallFunc_SetFuncProto(otherCloser, socket->IsA()->GetClassInfo(), "Close", "", &other_offset);
1167 if (gInterpreter->CallFunc_IsValid(otherCloser)) {
1168 gInterpreter->CallFunc_Exec(otherCloser, ((char*)socket)+other_offset);
1169 // Put the object in the closed list for later deletion.
1170 socket->SetBit(kMustCleanup);
1172 } else {
1173 notclosed.AddLast(socket);
1174 }
1175 gInterpreter->CallFunc_Delete(otherCloser);
1176 // Put it back
1177 cursor->SetObject(socket);
1178 }
1179 cursor = cursor->Next();
1180 }
1181 // Now were done, clear the list
1182 fSockets->Clear();
1183 // Read the one we did not close
1184 cursor = notclosed.FirstLink();
1185 while (cursor) {
1186 static_cast<TList*>(fSockets)->AddLast(cursor->GetObject());
1187 cursor = cursor->Next();
1188 }
1189 }
1190 gInterpreter->CallFunc_Delete(socketCloser);
1191 }
1192 if (fMappedFiles && fMappedFiles->First()) {
1193 R__ListSlowClose(static_cast<TList*>(fMappedFiles));
1194 }
1195
1196}
1197
1198////////////////////////////////////////////////////////////////////////////////
1199/// Execute the cleanups necessary at the end of the process, in particular
1200/// those that must be executed before the library start being unloaded.
1201
1203{
1204 // This will not delete the objects 'held' by the TFiles so that
1205 // they can still be 'reacheable' when ResetGlobals is run.
1206 CloseFiles();
1207
1208 if (gInterpreter) {
1209 gInterpreter->ResetGlobals();
1210 }
1211
1212 // Now delete the objects 'held' by the TFiles so that it
1213 // is done before the tear down of the libraries.
1215 R__ListSlowDeleteContent(static_cast<TList*>(fClosedObjects));
1216 }
1217
1218 // Now a set of simpler things to delete. See the same ordering in
1219 // TROOT::~TROOT
1220 fFunctions->Delete();
1222 fBrowsers->Delete();
1223 fCanvases->Delete("slow");
1224 fColors->Delete();
1225 fStyles->Delete();
1226
1228
1229 if (gInterpreter) {
1230 gInterpreter->ShutDown();
1231 }
1232}
1233
1234
1235////////////////////////////////////////////////////////////////////////////////
1236/// Find an object in one Root folder
1237
1239{
1240 Error("FindObject","Not yet implemented");
1241 return nullptr;
1242}
1243
1244////////////////////////////////////////////////////////////////////////////////
1245/// Returns address of a ROOT object if it exists
1246///
1247/// If name contains at least one "/" the function calls FindObjectany
1248/// else
1249/// This function looks in the following order in the ROOT lists:
1250/// - List of files
1251/// - List of memory mapped files
1252/// - List of functions
1253/// - List of geometries
1254/// - List of canvases
1255/// - List of styles
1256/// - List of specials
1257/// - List of materials in current geometry
1258/// - List of shapes in current geometry
1259/// - List of matrices in current geometry
1260/// - List of Nodes in current geometry
1261/// - Current Directory in memory
1262/// - Current Directory on file
1263
1264TObject *TROOT::FindObject(const char *name) const
1265{
1266 if (name && strstr(name,"/")) return FindObjectAny(name);
1267
1268 TObject *temp = nullptr;
1269
1270 temp = fFiles->FindObject(name); if (temp) return temp;
1271 temp = fMappedFiles->FindObject(name); if (temp) return temp;
1272 {
1274 temp = fFunctions->FindObject(name);if (temp) return temp;
1275 }
1276 temp = fGeometries->FindObject(name); if (temp) return temp;
1277 temp = fCanvases->FindObject(name); if (temp) return temp;
1278 temp = fStyles->FindObject(name); if (temp) return temp;
1279 {
1281 temp = fSpecials->FindObject(name); if (temp) return temp;
1282 }
1283 TIter next(fGeometries);
1284 TObject *obj;
1285 while ((obj=next())) {
1286 temp = obj->FindObject(name); if (temp) return temp;
1287 }
1288 if (gDirectory) temp = gDirectory->Get(name);
1289 if (temp) return temp;
1290 if (gPad) {
1291 TVirtualPad *canvas = gPad->GetVirtCanvas();
1292 if (fCanvases->FindObject(canvas)) { //this check in case call from TCanvas ctor
1293 temp = canvas->FindObject(name);
1294 if (!temp && canvas != gPad) temp = gPad->FindObject(name);
1295 }
1296 }
1297 return temp;
1298}
1299
1300////////////////////////////////////////////////////////////////////////////////
1301/// Returns address and folder of a ROOT object if it exists
1302///
1303/// This function looks in the following order in the ROOT lists:
1304/// - List of files
1305/// - List of memory mapped files
1306/// - List of functions
1307/// - List of geometries
1308/// - List of canvases
1309/// - List of styles
1310/// - List of specials
1311/// - List of materials in current geometry
1312/// - List of shapes in current geometry
1313/// - List of matrices in current geometry
1314/// - List of Nodes in current geometry
1315/// - Current Directory in memory
1316/// - Current Directory on file
1317
1318TObject *TROOT::FindSpecialObject(const char *name, void *&where)
1319{
1320 TObject *temp = nullptr;
1321 where = nullptr;
1322
1323 if (!temp) {
1324 temp = fFiles->FindObject(name);
1325 where = fFiles;
1326 }
1327 if (!temp) {
1328 temp = fMappedFiles->FindObject(name);
1329 where = fMappedFiles;
1330 }
1331 if (!temp) {
1333 temp = fFunctions->FindObject(name);
1334 where = fFunctions;
1335 }
1336 if (!temp) {
1337 temp = fCanvases->FindObject(name);
1338 where = fCanvases;
1339 }
1340 if (!temp) {
1341 temp = fStyles->FindObject(name);
1342 where = fStyles;
1343 }
1344 if (!temp) {
1345 temp = fSpecials->FindObject(name);
1346 where = fSpecials;
1347 }
1348 if (!temp) {
1349 TObject *glast = fGeometries->Last();
1350 if (glast) {where = glast; temp = glast->FindObject(name);}
1351 }
1352 if (!temp && gDirectory) {
1353 temp = gDirectory->Get(name);
1354 where = gDirectory;
1355 }
1356 if (!temp && gPad) {
1357 TVirtualPad *canvas = gPad->GetVirtCanvas();
1358 if (fCanvases->FindObject(canvas)) { //this check in case call from TCanvas ctor
1359 temp = canvas->FindObject(name);
1360 where = canvas;
1361 if (!temp && canvas != gPad) {
1362 temp = gPad->FindObject(name);
1363 where = gPad;
1364 }
1365 }
1366 }
1367 if (!temp) return nullptr;
1368 if (temp->TestBit(kNotDeleted)) return temp;
1369 return nullptr;
1370}
1371
1372////////////////////////////////////////////////////////////////////////////////
1373/// Return a pointer to the first object with name starting at //root.
1374/// This function scans the list of all folders.
1375/// if no object found in folders, it scans the memory list of all files.
1376
1378{
1380 if (obj) return obj;
1381 return gDirectory->FindObjectAnyFile(name);
1382}
1383
1384////////////////////////////////////////////////////////////////////////////////
1385/// Scan the memory lists of all files for an object with name
1386
1388{
1390 TDirectory *d;
1391 TIter next(GetListOfFiles());
1392 while ((d = (TDirectory*)next())) {
1393 // Call explicitly TDirectory::FindObject to restrict the search to the
1394 // already in memory object.
1395 TObject *obj = d->TDirectory::FindObject(name);
1396 if (obj) return obj;
1397 }
1398 return nullptr;
1399}
1400
1401////////////////////////////////////////////////////////////////////////////////
1402/// Returns class name of a ROOT object including CINT globals.
1403
1404const char *TROOT::FindObjectClassName(const char *name) const
1405{
1406 // Search first in the list of "standard" objects
1407 TObject *obj = FindObject(name);
1408 if (obj) return obj->ClassName();
1409
1410 // Is it a global variable?
1411 TGlobal *g = GetGlobal(name);
1412 if (g) return g->GetTypeName();
1413
1414 return nullptr;
1415}
1416
1417////////////////////////////////////////////////////////////////////////////////
1418/// Return path name of obj somewhere in the //root/... path.
1419/// The function returns the first occurence of the object in the list
1420/// of folders. The returned string points to a static char array in TROOT.
1421/// If this function is called in a loop or recursively, it is the
1422/// user's responsibility to copy this string in their area.
1423
1424const char *TROOT::FindObjectPathName(const TObject *) const
1425{
1426 Error("FindObjectPathName","Not yet implemented");
1427 return "??";
1428}
1429
1430////////////////////////////////////////////////////////////////////////////////
1431/// return a TClass object corresponding to 'name' assuming it is an STL container.
1432/// In particular we looking for possible alternative name (default template
1433/// parameter, typedefs template arguments, typedefed name).
1434
1435TClass *TROOT::FindSTLClass(const char *name, Bool_t load, Bool_t silent) const
1436{
1437 // Example of inputs are
1438 // vector<int> (*)
1439 // vector<Int_t>
1440 // vector<long long>
1441 // vector<Long_64_t> (*)
1442 // vector<int, allocator<int> >
1443 // vector<Int_t, allocator<int> >
1444 //
1445 // One of the possibly expensive operation is the resolving of the typedef
1446 // which can provoke the parsing of the header files (and/or the loading
1447 // of clang pcms information).
1448
1450
1451 // Remove std::, allocator, typedef, add Long64_t, etc. in just one call.
1452 std::string normalized;
1454
1455 TClass *cl = nullptr;
1456 if (normalized != name) cl = TClass::GetClass(normalized.c_str(),load,silent);
1457
1458 if (load && cl==nullptr) {
1459 // Create an Emulated class for this container.
1460 cl = gInterpreter->GenerateTClass(normalized.c_str(), kTRUE, silent);
1461 }
1462
1463 return cl;
1464}
1465
1466////////////////////////////////////////////////////////////////////////////////
1467/// Return pointer to class with name. Obsolete, use TClass::GetClass directly
1468
1469TClass *TROOT::GetClass(const char *name, Bool_t load, Bool_t silent) const
1470{
1471 return TClass::GetClass(name,load,silent);
1472}
1473
1474
1475////////////////////////////////////////////////////////////////////////////////
1476/// Return pointer to class from its name. Obsolete, use TClass::GetClass directly
1477/// See TClass::GetClass
1478
1479TClass *TROOT::GetClass(const std::type_info& typeinfo, Bool_t load, Bool_t silent) const
1480{
1481 return TClass::GetClass(typeinfo,load,silent);
1482}
1483
1484////////////////////////////////////////////////////////////////////////////////
1485/// Return address of color with index color.
1486
1488{
1490 TObjArray *lcolors = (TObjArray*) GetListOfColors();
1491 if (!lcolors) return nullptr;
1492 if (color < 0 || color >= lcolors->GetSize()) return nullptr;
1493 TColor *col = (TColor*)lcolors->At(color);
1494 if (col && col->GetNumber() == color) return col;
1495 TIter next(lcolors);
1496 while ((col = (TColor *) next()))
1497 if (col->GetNumber() == color) return col;
1498
1499 return nullptr;
1500}
1501
1502////////////////////////////////////////////////////////////////////////////////
1503/// Return a default canvas.
1504
1506{
1507 return (TCanvas*)gROOT->ProcessLine("TCanvas::MakeDefCanvas();");
1508}
1509
1510////////////////////////////////////////////////////////////////////////////////
1511/// Return pointer to type with name.
1512
1513TDataType *TROOT::GetType(const char *name, Bool_t /* load */) const
1514{
1515 return (TDataType*)gROOT->GetListOfTypes()->FindObject(name);
1516}
1517
1518////////////////////////////////////////////////////////////////////////////////
1519/// Return pointer to file with name.
1520
1521TFile *TROOT::GetFile(const char *name) const
1522{
1524 return (TFile*)GetListOfFiles()->FindObject(name);
1525}
1526
1527////////////////////////////////////////////////////////////////////////////////
1528/// Return pointer to style with name
1529
1530TStyle *TROOT::GetStyle(const char *name) const
1531{
1533}
1534
1535////////////////////////////////////////////////////////////////////////////////
1536/// Return pointer to function with name.
1537
1539{
1540 if (name == nullptr || name[0] == 0) {
1541 return nullptr;
1542 }
1543
1544 {
1547 if (f1) return f1;
1548 }
1549
1550 gROOT->ProcessLine("TF1::InitStandardFunctions();");
1551
1553 return fFunctions->FindObject(name);
1554}
1555
1556////////////////////////////////////////////////////////////////////////////////
1557
1559{
1560 if (!gInterpreter) return nullptr;
1561
1563
1565}
1566
1567////////////////////////////////////////////////////////////////////////////////
1568/// Return pointer to global variable by name. If load is true force
1569/// reading of all currently defined globals from CINT (more expensive).
1570
1571TGlobal *TROOT::GetGlobal(const char *name, Bool_t load) const
1572{
1573 return (TGlobal *)gROOT->GetListOfGlobals(load)->FindObject(name);
1574}
1575
1576////////////////////////////////////////////////////////////////////////////////
1577/// Return pointer to global variable with address addr.
1578
1579TGlobal *TROOT::GetGlobal(const TObject *addr, Bool_t /* load */) const
1580{
1581 if (addr == nullptr || ((Longptr_t)addr) == -1) return nullptr;
1582
1583 TInterpreter::DeclId_t decl = gInterpreter->GetDataMemberAtAddr(addr);
1584 if (decl) {
1585 TListOfDataMembers *globals = ((TListOfDataMembers*)(gROOT->GetListOfGlobals(kFALSE)));
1586 return (TGlobal*)globals->Get(decl);
1587 }
1588 // If we are actually looking for a global that is held by a global
1589 // pointer (for example gRandom), we need to find a pointer with the
1590 // correct value.
1591 decl = gInterpreter->GetDataMemberWithValue(addr);
1592 if (decl) {
1593 TListOfDataMembers *globals = ((TListOfDataMembers*)(gROOT->GetListOfGlobals(kFALSE)));
1594 return (TGlobal*)globals->Get(decl);
1595 }
1596 return nullptr;
1597}
1598
1599////////////////////////////////////////////////////////////////////////////////
1600/// Internal routine returning, and creating if necessary, the list
1601/// of global function.
1602
1604{
1606 return fGlobalFunctions;
1607}
1608
1609////////////////////////////////////////////////////////////////////////////////
1610/// Return the collection of functions named "name".
1611
1613{
1614 return ((TListOfFunctions*)fGlobalFunctions)->GetListForObject(name);
1615}
1616
1617////////////////////////////////////////////////////////////////////////////////
1618/// Return pointer to global function by name.
1619/// If params != 0 it will also resolve overloading other it returns the first
1620/// name match.
1621/// If params == 0 and load is true force reading of all currently defined
1622/// global functions from Cling.
1623/// The param string must be of the form: "3189,\"aap\",1.3".
1624
1625TFunction *TROOT::GetGlobalFunction(const char *function, const char *params,
1626 Bool_t load)
1627{
1628 if (!params) {
1631 } else {
1632 if (!fInterpreter)
1633 Fatal("GetGlobalFunction", "fInterpreter not initialized");
1634
1636 TInterpreter::DeclId_t decl = gInterpreter->GetFunctionWithValues(nullptr,
1637 function, params,
1638 false);
1639
1640 if (!decl) return nullptr;
1641
1642 TFunction *f = GetGlobalFunctions()->Get(decl);
1643 if (f) return f;
1644
1645 Error("GetGlobalFunction",
1646 "\nDid not find matching TFunction <%s> with \"%s\".",
1647 function,params);
1648 return nullptr;
1649 }
1650}
1651
1652////////////////////////////////////////////////////////////////////////////////
1653/// Return pointer to global function by name. If proto != 0
1654/// it will also resolve overloading. If load is true force reading
1655/// of all currently defined global functions from CINT (more expensive).
1656/// The proto string must be of the form: "int, char*, float".
1657
1659 const char *proto, Bool_t load)
1660{
1661 if (!proto) {
1664 } else {
1665 if (!fInterpreter)
1666 Fatal("GetGlobalFunctionWithPrototype", "fInterpreter not initialized");
1667
1669 TInterpreter::DeclId_t decl = gInterpreter->GetFunctionWithPrototype(nullptr,
1670 function, proto);
1671
1672 if (!decl) return nullptr;
1673
1674 TFunction *f = GetGlobalFunctions()->Get(decl);
1675 if (f) return f;
1676
1677 Error("GetGlobalFunctionWithPrototype",
1678 "\nDid not find matching TFunction <%s> with \"%s\".",
1679 function,proto);
1680 return nullptr;
1681 }
1682}
1683
1684////////////////////////////////////////////////////////////////////////////////
1685/// Return pointer to Geometry with name
1686
1688{
1690}
1691
1692////////////////////////////////////////////////////////////////////////////////
1693
1695{
1696 if(!fEnums.load()) {
1698 // Test again just in case, another thread did the work while we were
1699 // waiting.
1700 if (!fEnums.load()) fEnums = new TListOfEnumsWithLock(nullptr);
1701 }
1702 if (load) {
1704 (*fEnums).Load(); // Refresh the list of enums.
1705 }
1706 return fEnums.load();
1707}
1708
1709////////////////////////////////////////////////////////////////////////////////
1710
1712{
1714 if(!fFuncTemplate) {
1716 }
1717 return fFuncTemplate;
1718}
1719
1720////////////////////////////////////////////////////////////////////////////////
1721/// Return list containing the TGlobals currently defined.
1722/// Since globals are created and deleted during execution of the
1723/// program, we need to update the list of globals every time we
1724/// execute this method. However, when calling this function in
1725/// a (tight) loop where no interpreter symbols will be created
1726/// you can set load=kFALSE (default).
1727
1729{
1730 if (!fGlobals) {
1732 // We add to the list the "funcky-fake" globals.
1733
1734 // provide special functor for gROOT, while ROOT::GetROOT() does not return reference
1735 TGlobalMappedFunction::MakeFunctor("gROOT", "TROOT*", ROOT::GetROOT, [] {
1736 ROOT::GetROOT();
1737 return (void *)&ROOT::Internal::gROOTLocal;
1738 });
1739
1741 TGlobalMappedFunction::MakeFunctor("gVirtualX", "TVirtualX*", TVirtualX::Instance);
1743
1744 // Don't let TGlobalMappedFunction delete our globals, now that we take them.
1748 }
1749
1750 if (!fInterpreter)
1751 Fatal("GetListOfGlobals", "fInterpreter not initialized");
1752
1753 if (load) fGlobals->Load();
1754
1755 return fGlobals;
1756}
1757
1758////////////////////////////////////////////////////////////////////////////////
1759/// Return list containing the TFunctions currently defined.
1760/// Since functions are created and deleted during execution of the
1761/// program, we need to update the list of functions every time we
1762/// execute this method. However, when calling this function in
1763/// a (tight) loop where no interpreter symbols will be created
1764/// you can set load=kFALSE (default).
1765
1767{
1769
1770 if (!fGlobalFunctions) {
1771 fGlobalFunctions = new TListOfFunctions(nullptr);
1772 }
1773
1774 if (!fInterpreter)
1775 Fatal("GetListOfGlobalFunctions", "fInterpreter not initialized");
1776
1777 // A thread that calls with load==true and a thread that calls with load==false
1778 // will conflict here (the load==true will be updating the list while the
1779 // other is reading it). To solve the problem, we could use a read-write lock
1780 // inside the list itself.
1781 if (load) fGlobalFunctions->Load();
1782
1783 return fGlobalFunctions;
1784}
1785
1786////////////////////////////////////////////////////////////////////////////////
1787/// Return a dynamic list giving access to all TDataTypes (typedefs)
1788/// currently defined.
1789///
1790/// The list is populated on demand. Calling
1791/// ~~~ {.cpp}
1792/// gROOT->GetListOfTypes()->FindObject(nameoftype);
1793/// ~~~
1794/// will return the TDataType corresponding to 'nameoftype'. If the
1795/// TDataType is not already in the list itself and the type does exist,
1796/// a new TDataType will be created and added to the list.
1797///
1798/// Calling
1799/// ~~~ {.cpp}
1800/// gROOT->GetListOfTypes()->ls(); // or Print()
1801/// ~~~
1802/// list only the typedefs that have been previously accessed through the
1803/// list (plus the builtins types).
1804
1806{
1807 if (!fInterpreter)
1808 Fatal("GetListOfTypes", "fInterpreter not initialized");
1809
1810 return fTypes;
1811}
1812
1813////////////////////////////////////////////////////////////////////////////////
1814/// Get number of classes.
1815
1817{
1818 return fClasses->GetSize();
1819}
1820
1821////////////////////////////////////////////////////////////////////////////////
1822/// Get number of types.
1823
1825{
1826 return fTypes->GetSize();
1827}
1828
1829////////////////////////////////////////////////////////////////////////////////
1830/// Execute command when system has been idle for idleTimeInSec seconds.
1831
1832void TROOT::Idle(UInt_t idleTimeInSec, const char *command)
1833{
1834 if (!fApplication.load())
1836
1837 if (idleTimeInSec <= 0)
1838 (*fApplication).RemoveIdleTimer();
1839 else
1840 (*fApplication).SetIdleTimer(idleTimeInSec, command);
1841}
1842
1843////////////////////////////////////////////////////////////////////////////////
1844/// Check whether className is a known class, and only autoload
1845/// if we can. Helper function for TROOT::IgnoreInclude().
1846
1847static TClass* R__GetClassIfKnown(const char* className)
1848{
1849 // Check whether the class is available for auto-loading first:
1850 const char* libsToLoad = gInterpreter->GetClassSharedLibs(className);
1851 TClass* cla = nullptr;
1852 if (libsToLoad) {
1853 // trigger autoload, and only create TClass in this case.
1854 return TClass::GetClass(className);
1855 } else if (gROOT->GetListOfClasses()
1856 && (cla = (TClass*)gROOT->GetListOfClasses()->FindObject(className))) {
1857 // cla assigned in if statement
1858 } else if (gClassTable->FindObject(className)) {
1859 return TClass::GetClass(className);
1860 }
1861 return cla;
1862}
1863
1864////////////////////////////////////////////////////////////////////////////////
1865/// Return 1 if the name of the given include file corresponds to a class that
1866/// is known to ROOT, e.g. "TLorentzVector.h" versus TLorentzVector.
1867
1868Int_t TROOT::IgnoreInclude(const char *fname, const char * /*expandedfname*/)
1869{
1870 if (fname == nullptr) return 0;
1871
1872 TString stem(fname);
1873 // Remove extension if any, ignore files with extension not being .h*
1874 Int_t where = stem.Last('.');
1875 if (where != kNPOS) {
1876 if (stem.EndsWith(".so") || stem.EndsWith(".sl") ||
1877 stem.EndsWith(".dl") || stem.EndsWith(".a") ||
1878 stem.EndsWith(".dll", TString::kIgnoreCase))
1879 return 0;
1880 stem.Remove(where);
1881 }
1882
1883 TString className = gSystem->BaseName(stem);
1884 TClass* cla = R__GetClassIfKnown(className);
1885 if (!cla) {
1886 // Try again with modifications to the file name:
1887 className = stem;
1888 className.ReplaceAll("/", "::");
1889 className.ReplaceAll("\\", "::");
1890 if (className.Contains(":::")) {
1891 // "C:\dir" becomes "C:::dir".
1892 // fname corresponds to whatever is stated after #include and
1893 // a full path name usually means that it's not a regular #include
1894 // but e.g. a ".L", so we can assume that this is not a header of
1895 // a class in a namespace (a global-namespace class would have been
1896 // detected already before).
1897 return 0;
1898 }
1899 cla = R__GetClassIfKnown(className);
1900 }
1901
1902 if (!cla) {
1903 return 0;
1904 }
1905
1906 // cla is valid, check wether it's actually in the header of the same name:
1907 if (cla->GetDeclFileLine() <= 0) return 0; // to a void an error with VisualC++
1908 TString decfile = gSystem->BaseName(cla->GetDeclFileName());
1909 if (decfile != gSystem->BaseName(fname)) {
1910 return 0;
1911 }
1912 return 1;
1913}
1914
1915////////////////////////////////////////////////////////////////////////////////
1916/// Initialize operating system interface.
1917
1919{
1920 if (gSystem == nullptr) {
1921#if defined(R__UNIX)
1922#if defined(R__HAS_COCOA)
1923 gSystem = new TMacOSXSystem;
1924#else
1925 gSystem = new TUnixSystem;
1926#endif
1927#elif defined(R__WIN32)
1928 gSystem = new TWinNTSystem;
1929#else
1930 gSystem = new TSystem;
1931#endif
1932
1933 if (gSystem->Init())
1934 fprintf(stderr, "Fatal in <TROOT::InitSystem>: can't init operating system layer\n");
1935
1936 if (!gSystem->HomeDirectory()) {
1937 fprintf(stderr, "Fatal in <TROOT::InitSystem>: HOME directory not set\n");
1938 fprintf(stderr, "Fix this by defining the HOME shell variable\n");
1939 }
1940
1941 // read default files
1942 gEnv = new TEnv(".rootrc");
1943
1946
1947 gDebug = gEnv->GetValue("Root.Debug", 0);
1948
1949 if (!gEnv->GetValue("Root.ErrorHandlers", 1))
1951
1952 // The old "Root.ZipMode" had a discrepancy between documentation vs actual meaning.
1953 // Also, a value with the meaning "default" wasn't available. To solved this,
1954 // "Root.ZipMode" was replaced by "Root.CompressionAlgorithm". Warn about usage of
1955 // the old value, if it's set to 0, but silently translate the setting to
1956 // "Root.CompressionAlgorithm" for values > 1.
1957 Int_t oldzipmode = gEnv->GetValue("Root.ZipMode", -1);
1958 if (oldzipmode == 0) {
1959 fprintf(stderr, "Warning in <TROOT::InitSystem>: ignoring old rootrc entry \"Root.ZipMode = 0\"!\n");
1960 } else {
1961 if (oldzipmode == -1 || oldzipmode == 1) {
1962 // Not set or default value, use "default" for "Root.CompressionAlgorithm":
1963 oldzipmode = 0;
1964 }
1965 // else keep the old zipmode (e.g. "3") as "Root.CompressionAlgorithm"
1966 // if "Root.CompressionAlgorithm" isn't set; see below.
1967 }
1968
1969 Int_t zipmode = gEnv->GetValue("Root.CompressionAlgorithm", oldzipmode);
1970 if (zipmode != 0) R__SetZipMode(zipmode);
1971
1972 const char *sdeb;
1973 if ((sdeb = gSystem->Getenv("ROOTDEBUG")))
1974 gDebug = atoi(sdeb);
1975
1976 if (gDebug > 0 && isatty(2))
1977 fprintf(stderr, "Info in <TROOT::InitSystem>: running with gDebug = %d\n", gDebug);
1978
1979#if defined(R__HAS_COCOA)
1980 // create and delete a dummy TUrl so that TObjectStat table does not contain
1981 // objects that are deleted after recording is turned-off (in next line),
1982 // like the TUrl::fgSpecialProtocols list entries which are created in the
1983 // TMacOSXSystem ctor.
1984 { TUrl dummy("/dummy"); }
1985#endif
1986 TObject::SetObjectStat(gEnv->GetValue("Root.ObjectStat", 0));
1987 }
1988}
1989
1990////////////////////////////////////////////////////////////////////////////////
1991/// Load and initialize thread library.
1992
1994{
1995 if (gEnv->GetValue("Root.UseThreads", 0) || gEnv->GetValue("Root.EnableThreadSafety", 0)) {
1997 }
1998}
1999
2000////////////////////////////////////////////////////////////////////////////////
2001/// Initialize the interpreter. Should be called only after main(),
2002/// to make sure LLVM/Clang is fully initialized.
2003
2005{
2006 // usedToIdentifyRootClingByDlSym is available when TROOT is part of
2007 // rootcling.
2008 if (!dlsym(RTLD_DEFAULT, "usedToIdentifyRootClingByDlSym")
2009 && !dlsym(RTLD_DEFAULT, "usedToIdentifyStaticRoot")) {
2010 char *libRIO = gSystem->DynamicPathName("libRIO");
2011 void *libRIOHandle = dlopen(libRIO, RTLD_NOW|RTLD_GLOBAL);
2012 delete [] libRIO;
2013 if (!libRIOHandle) {
2014 TString err = dlerror();
2015 fprintf(stderr, "Fatal in <TROOT::InitInterpreter>: cannot load library %s\n", err.Data());
2016 exit(1);
2017 }
2018
2019 char *libcling = gSystem->DynamicPathName("libCling");
2020 gInterpreterLib = dlopen(libcling, RTLD_LAZY|RTLD_LOCAL);
2021 delete [] libcling;
2022
2023 if (!gInterpreterLib) {
2024 TString err = dlerror();
2025 fprintf(stderr, "Fatal in <TROOT::InitInterpreter>: cannot load library %s\n", err.Data());
2026 exit(1);
2027 }
2028 dlerror(); // reset error message
2029 } else {
2030 gInterpreterLib = RTLD_DEFAULT;
2031 }
2033 if (!CreateInterpreter) {
2034 TString err = dlerror();
2035 fprintf(stderr, "Fatal in <TROOT::InitInterpreter>: cannot load symbol %s\n", err.Data());
2036 exit(1);
2037 }
2038 // Schedule the destruction of TROOT.
2039 atexit(at_exit_of_TROOT);
2040
2041 gDestroyInterpreter = (DestroyInterpreter_t*) dlsym(gInterpreterLib, "DestroyInterpreter");
2042 if (!gDestroyInterpreter) {
2043 TString err = dlerror();
2044 fprintf(stderr, "Fatal in <TROOT::InitInterpreter>: cannot load symbol %s\n", err.Data());
2045 exit(1);
2046 }
2047
2048 const char *interpArgs[] = {
2049#ifdef NDEBUG
2050 "-DNDEBUG",
2051#else
2052 "-UNDEBUG",
2053#endif
2054#ifdef DEBUG
2055 "-DDEBUG",
2056#else
2057 "-UDEBUG",
2058#endif
2059#ifdef _DEBUG
2060 "-D_DEBUG",
2061#else
2062 "-U_DEBUG",
2063#endif
2064 nullptr};
2065
2067
2070
2071 fgRootInit = kTRUE;
2072
2073 // initialize gClassTable is not already done
2074 if (!gClassTable)
2075 new TClassTable;
2076
2077 // Initialize all registered dictionaries.
2078 for (std::vector<ModuleHeaderInfo_t>::const_iterator
2079 li = GetModuleHeaderInfoBuffer().begin(),
2080 le = GetModuleHeaderInfoBuffer().end(); li != le; ++li) {
2081 // process buffered module registrations
2082 fInterpreter->RegisterModule(li->fModuleName,
2083 li->fHeaders,
2084 li->fIncludePaths,
2085 li->fPayloadCode,
2086 li->fFwdDeclCode,
2087 li->fTriggerFunc,
2088 li->fFwdNargsToKeepColl,
2089 li->fClassesHeaders,
2090 kTRUE /*lateRegistration*/,
2091 li->fHasCxxModule);
2092 }
2093 GetModuleHeaderInfoBuffer().clear();
2094
2096}
2097
2098////////////////////////////////////////////////////////////////////////////////
2099/// Helper function used by TClass::GetClass().
2100/// This function attempts to load the dictionary for 'classname'
2101/// either from the TClassTable or from the list of generator.
2102/// If silent is 'true', do not warn about missing dictionary for the class.
2103/// (typically used for class that are used only for transient members)
2104///
2105/// The 'requestedname' is expected to be already normalized.
2106
2107TClass *TROOT::LoadClass(const char *requestedname, Bool_t silent) const
2108{
2109 return TClass::LoadClass(requestedname, silent);
2110}
2111
2112////////////////////////////////////////////////////////////////////////////////
2113/// Check if class "classname" is known to the interpreter (in fact,
2114/// this check is not needed anymore, so classname is ignored). If
2115/// not it will load library "libname". If the library couldn't be found with original
2116/// libname and if the name was not prefixed with lib, try to prefix with "lib" and search again.
2117/// If DynamicPathName still couldn't find the library, return -1.
2118/// If check is true it will only check if libname exists and is
2119/// readable.
2120/// Returns 0 on successful loading, -1 in case libname does not
2121/// exist or in case of error and -2 in case of version mismatch.
2122
2123Int_t TROOT::LoadClass(const char * /*classname*/, const char *libname,
2124 Bool_t check)
2125{
2126 TString lib(libname);
2127
2128 // Check if libname exists in path or not
2129 if (char *path = gSystem->DynamicPathName(lib, kTRUE)) {
2130 // If check == true, only check if it exists and if it's readable
2131 if (check) {
2132 delete [] path;
2133 return 0;
2134 }
2135
2136 // If check == false, try to load the library
2137 else {
2138 int err = gSystem->Load(path, nullptr, kTRUE);
2139 delete [] path;
2140
2141 // TSystem::Load returns 1 when the library was already loaded, return success in this case.
2142 if (err == 1)
2143 err = 0;
2144 return err;
2145 }
2146 } else {
2147 // This is the branch where libname didn't exist
2148 if (check) {
2149 FileStat_t stat;
2150 if (!gSystem->GetPathInfo(libname, stat) && (R_ISREG(stat.fMode) &&
2152 return 0;
2153 }
2154
2155 // Take care of user who didn't write the whole name
2156 if (!lib.BeginsWith("lib")) {
2157 lib = "lib" + lib;
2158 return LoadClass("", lib.Data(), check);
2159 }
2160 }
2161
2162 // Execution reaches here when library was prefixed with lib, check is false and couldn't find
2163 // the library name.
2164 return -1;
2165}
2166
2167////////////////////////////////////////////////////////////////////////////////
2168/// Return true if the file is local and is (likely) to be a ROOT file
2169
2171{
2173 FILE *mayberootfile = fopen(filename,"rb");
2174 if (mayberootfile) {
2175 char header[5];
2176 if (fgets(header,5,mayberootfile)) {
2177 result = strncmp(header,"root",4)==0;
2178 }
2179 fclose(mayberootfile);
2180 }
2181 return result;
2182}
2183
2184////////////////////////////////////////////////////////////////////////////////
2185/// To list all objects of the application.
2186/// Loop on all objects created in the ROOT linked lists.
2187/// Objects may be files and windows or any other object directly
2188/// attached to the ROOT linked list.
2189
2191{
2192// TObject::SetDirLevel();
2193// GetList()->R__FOR_EACH(TObject,ls)(option);
2195}
2196
2197////////////////////////////////////////////////////////////////////////////////
2198/// Load a macro in the interpreter's memory. Equivalent to the command line
2199/// command ".L filename". If the filename has "+" or "++" appended
2200/// the macro will be compiled by ACLiC. The filename must have the format:
2201/// [path/]macro.C[+|++[g|O]].
2202/// The possible error codes are defined by TInterpreter::EErrorCode.
2203/// If check is true it will only check if filename exists and is
2204/// readable.
2205/// Returns 0 on successful loading and -1 in case filename does not
2206/// exist or in case of error.
2207
2208Int_t TROOT::LoadMacro(const char *filename, int *error, Bool_t check)
2209{
2210 Int_t err = -1;
2211 Int_t lerr, *terr;
2212 if (error)
2213 terr = error;
2214 else
2215 terr = &lerr;
2216
2217 if (fInterpreter) {
2218 TString aclicMode;
2219 TString arguments;
2220 TString io;
2221 TString fname = gSystem->SplitAclicMode(filename, aclicMode, arguments, io);
2222
2223 if (arguments.Length()) {
2224 Warning("LoadMacro", "argument(%s) ignored in %s", arguments.Data(), GetMacroPath());
2225 }
2226 char *mac = gSystem->Which(GetMacroPath(), fname, kReadPermission);
2227 if (!mac) {
2228 if (!check)
2229 Error("LoadMacro", "macro %s not found in path %s", fname.Data(), GetMacroPath());
2230 *terr = TInterpreter::kFatal;
2231 } else {
2232 err = 0;
2233 if (!check) {
2234 fname = mac;
2235 fname += aclicMode;
2236 fname += io;
2237 gInterpreter->LoadMacro(fname.Data(), (TInterpreter::EErrorCode*)terr);
2238 if (*terr)
2239 err = -1;
2240 }
2241 }
2242 delete [] mac;
2243 }
2244 return err;
2245}
2246
2247////////////////////////////////////////////////////////////////////////////////
2248/// Execute a macro in the interpreter. Equivalent to the command line
2249/// command ".x filename". If the filename has "+" or "++" appended
2250/// the macro will be compiled by ACLiC. The filename must have the format:
2251/// [path/]macro.C[+|++[g|O]][(args)].
2252/// The possible error codes are defined by TInterpreter::EErrorCode.
2253/// If padUpdate is true (default) update the current pad.
2254/// Returns the macro return value.
2255
2256Longptr_t TROOT::Macro(const char *filename, Int_t *error, Bool_t padUpdate)
2257{
2258 Longptr_t result = 0;
2259
2260 if (fInterpreter) {
2261 TString aclicMode;
2262 TString arguments;
2263 TString io;
2264 TString fname = gSystem->SplitAclicMode(filename, aclicMode, arguments, io);
2265
2266 char *mac = gSystem->Which(GetMacroPath(), fname, kReadPermission);
2267 if (!mac) {
2268 Error("Macro", "macro %s not found in path %s", fname.Data(), GetMacroPath());
2269 if (error)
2270 *error = TInterpreter::kFatal;
2271 } else {
2272 fname = mac;
2273 fname += aclicMode;
2274 fname += arguments;
2275 fname += io;
2276 result = gInterpreter->ExecuteMacro(fname, (TInterpreter::EErrorCode*)error);
2277 }
2278 delete [] mac;
2279
2280 if (padUpdate && gPad)
2281 gPad->Update();
2282 }
2283
2284 return result;
2285}
2286
2287////////////////////////////////////////////////////////////////////////////////
2288/// Process message id called by obj.
2289
2290void TROOT::Message(Int_t id, const TObject *obj)
2291{
2292 TIter next(fMessageHandlers);
2293 TMessageHandler *mh;
2294 while ((mh = (TMessageHandler*)next())) {
2295 mh->HandleMessage(id,obj);
2296 }
2297}
2298
2299////////////////////////////////////////////////////////////////////////////////
2300/// Process interpreter command via TApplication::ProcessLine().
2301/// On Win32 the line will be processed asynchronously by sending
2302/// it to the CINT interpreter thread. For explicit synchronous processing
2303/// use ProcessLineSync(). On non-Win32 platforms there is no difference
2304/// between ProcessLine() and ProcessLineSync().
2305/// The possible error codes are defined by TInterpreter::EErrorCode. In
2306/// particular, error will equal to TInterpreter::kProcessing until the
2307/// CINT interpreted thread has finished executing the line.
2308/// Returns the result of the command, cast to a Longptr_t.
2309
2311{
2312 TString sline = line;
2313 sline = sline.Strip(TString::kBoth);
2314
2315 if (!fApplication.load())
2317
2318 return (*fApplication).ProcessLine(sline, kFALSE, error);
2319}
2320
2321////////////////////////////////////////////////////////////////////////////////
2322/// Process interpreter command via TApplication::ProcessLine().
2323/// On Win32 the line will be processed synchronously (i.e. it will
2324/// only return when the CINT interpreter thread has finished executing
2325/// the line). On non-Win32 platforms there is no difference between
2326/// ProcessLine() and ProcessLineSync().
2327/// The possible error codes are defined by TInterpreter::EErrorCode.
2328/// Returns the result of the command, cast to a Longptr_t.
2329
2331{
2332 TString sline = line;
2333 sline = sline.Strip(TString::kBoth);
2334
2335 if (!fApplication.load())
2337
2338 return (*fApplication).ProcessLine(sline, kTRUE, error);
2339}
2340
2341////////////////////////////////////////////////////////////////////////////////
2342/// Process interpreter command directly via CINT interpreter.
2343/// Only executable statements are allowed (no variable declarations),
2344/// In all other cases use TROOT::ProcessLine().
2345/// The possible error codes are defined by TInterpreter::EErrorCode.
2346
2348{
2349 TString sline = line;
2350 sline = sline.Strip(TString::kBoth);
2351
2352 if (!fApplication.load())
2354
2355 Longptr_t result = 0;
2356
2357 if (fInterpreter) {
2359 result = gInterpreter->Calc(sline, code);
2360 }
2361
2362 return result;
2363}
2364
2365////////////////////////////////////////////////////////////////////////////////
2366/// Read Git commit information and branch name from the
2367/// etc/gitinfo.txt file.
2368
2370{
2371#ifdef ROOT_GIT_COMMIT
2372 fGitCommit = ROOT_GIT_COMMIT;
2373#endif
2374#ifdef ROOT_GIT_BRANCH
2375 fGitBranch = ROOT_GIT_BRANCH;
2376#endif
2377
2378 TString gitinfo = "gitinfo.txt";
2379 char *filename = gSystem->ConcatFileName(TROOT::GetEtcDir(), gitinfo);
2380
2381 FILE *fp = fopen(filename, "r");
2382 if (fp) {
2383 TString s;
2384 // read branch name
2385 s.Gets(fp);
2386 fGitBranch = s;
2387 // read commit SHA1
2388 s.Gets(fp);
2389 fGitCommit = s;
2390 // read date/time make was run
2391 s.Gets(fp);
2392 fGitDate = s;
2393 fclose(fp);
2394 }
2395 delete [] filename;
2396}
2397
2399 TTHREAD_TLS(Bool_t) fgReadingObject = false;
2400 return fgReadingObject;
2401}
2402
2403////////////////////////////////////////////////////////////////////////////////
2404/// Deprecated (will be removed in next release).
2405
2407{
2408 return GetReadingObject();
2409}
2410
2412{
2413 GetReadingObject() = flag;
2414}
2415
2416
2417////////////////////////////////////////////////////////////////////////////////
2418/// Return date/time make was run.
2419
2421{
2422 if (fGitDate == "") {
2423 Int_t iday,imonth,iyear, ihour, imin;
2424 static const char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
2425 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
2426 Int_t idate = gROOT->GetBuiltDate();
2427 Int_t itime = gROOT->GetBuiltTime();
2428 iday = idate%100;
2429 imonth = (idate/100)%100;
2430 iyear = idate/10000;
2431 ihour = itime/100;
2432 imin = itime%100;
2433 fGitDate.Form("%s %02d %4d, %02d:%02d:00", months[imonth-1], iday, iyear, ihour, imin);
2434 }
2435 return fGitDate;
2436}
2437
2438////////////////////////////////////////////////////////////////////////////////
2439/// Recursively remove this object from the list of Cleanups.
2440/// Typically RecursiveRemove is implemented by classes that can contain
2441/// mulitple references to a same object or shared ownership of the object
2442/// with others.
2443
2445{
2447
2449}
2450
2451////////////////////////////////////////////////////////////////////////////////
2452/// Refresh all browsers. Call this method when some command line
2453/// command or script has changed the browser contents. Not needed
2454/// for objects that have the kMustCleanup bit set. Most useful to
2455/// update browsers that show the file system or other objects external
2456/// to the running ROOT session.
2457
2459{
2460 TIter next(GetListOfBrowsers());
2461 TBrowser *b;
2462 while ((b = (TBrowser*) next()))
2463 b->SetRefreshFlag(kTRUE);
2464}
2465////////////////////////////////////////////////////////////////////////////////
2466/// Insure that the files, canvases and sockets are closed.
2467
2468static void CallCloseFiles()
2469{
2471 gROOT->CloseFiles();
2472 }
2473}
2474
2475////////////////////////////////////////////////////////////////////////////////
2476/// Called by static dictionary initialization to register clang modules
2477/// for headers. Calls TCling::RegisterModule() unless gCling
2478/// is NULL, i.e. during startup, where the information is buffered in
2479/// the static GetModuleHeaderInfoBuffer().
2480
2481void TROOT::RegisterModule(const char* modulename,
2482 const char** headers,
2483 const char** includePaths,
2484 const char* payloadCode,
2485 const char* fwdDeclCode,
2486 void (*triggerFunc)(),
2487 const TInterpreter::FwdDeclArgsToKeepCollection_t& fwdDeclsArgToSkip,
2488 const char** classesHeaders,
2489 bool hasCxxModule)
2490{
2491
2492 // First a side track to insure proper end of process behavior.
2493
2494 // Register for each loaded dictionary (and thus for each library),
2495 // that we need to Close the ROOT files as soon as this library
2496 // might start being unloaded after main.
2497 //
2498 // By calling atexit here (rather than directly from within the
2499 // library) we make sure that this is not called if the library is
2500 // 'only' dlclosed.
2501
2502 // On Ubuntu the linker strips the unused libraries. Eventhough
2503 // stressHistogram is explicitly linked against libNet, it is not
2504 // retained and thus is loaded only as needed in the middle part of
2505 // the execution. Concretely this also means that it is loaded
2506 // *after* the construction of the TApplication object and thus
2507 // after the registration (atexit) of the EndOfProcessCleanups
2508 // routine. Consequently, after the end of main, libNet is
2509 // unloaded before EndOfProcessCleanups is called. When
2510 // EndOfProcessCleanups is executed it indirectly needs the TClass
2511 // for TSocket and its search will use resources that have already
2512 // been unloaded (technically the function static in TUnixSystem's
2513 // DynamicPath and the dictionary from libNet).
2514
2515 // Similarly, the ordering (before this commit) was broken in the
2516 // following case:
2517
2518 // TApplication creation (EndOfProcessCleanups registration)
2519 // load UserLibrary
2520 // create TFile
2521 // Append UserObject to TFile
2522
2523 // and after the end of main the order of execution was
2524
2525 // unload UserLibrary
2526 // call EndOfProcessCleanups
2527 // Write the TFile
2528 // attempt to write the user object.
2529 // ....
2530
2531 // where what we need is to have the files closen/written before
2532 // the unloading of the library.
2533
2534 // To solve the problem we now register an atexit function for
2535 // every dictionary thus making sure there is at least one executed
2536 // before the first library tear down after main.
2537
2538 // If atexit is called directly within a library's code, the
2539 // function will called *either* when the library is 'dlclose'd or
2540 // after then end of main (whichever comes first). We do *not*
2541 // want the files to be closed whenever a library is unloaded via
2542 // dlclose. To avoid this, we add the function (CallCloseFiles)
2543 // from the dictionary indirectly (via ROOT::RegisterModule). In
2544 // this case the function will only only be called either when
2545 // libCore is 'dlclose'd or right after the end of main.
2546
2547 atexit(CallCloseFiles);
2548
2549 // Now register with TCling.
2550 if (TROOT::Initialized()) {
2551 gCling->RegisterModule(modulename, headers, includePaths, payloadCode, fwdDeclCode, triggerFunc,
2552 fwdDeclsArgToSkip, classesHeaders, false, hasCxxModule);
2553 } else {
2554 GetModuleHeaderInfoBuffer().push_back(ModuleHeaderInfo_t(modulename, headers, includePaths, payloadCode,
2555 fwdDeclCode, triggerFunc, fwdDeclsArgToSkip,
2556 classesHeaders, hasCxxModule));
2557 }
2558}
2559
2560////////////////////////////////////////////////////////////////////////////////
2561/// Remove an object from the in-memory list.
2562/// Since TROOT is global resource, this is lock protected.
2563
2565{
2567 return TDirectory::Remove(obj);
2568}
2569
2570////////////////////////////////////////////////////////////////////////////////
2571/// Remove a class from the list and map of classes.
2572/// This routine is deprecated, use TClass::RemoveClass directly.
2573
2575{
2576 TClass::RemoveClass(oldcl);
2577}
2578
2579////////////////////////////////////////////////////////////////////////////////
2580/// Delete all global interpreter objects created since the last call to Reset
2581///
2582/// If option="a" is set reset to startup context (i.e. unload also
2583/// all loaded files, classes, structs, typedefs, etc.).
2584///
2585/// This function is typically used at the beginning (or end) of an unnamed macro
2586/// to clean the environment.
2587///
2588/// IMPORTANT WARNING:
2589/// Do not use this call from within any function (neither compiled nor
2590/// interpreted. This should only be used from a unnamed macro
2591/// (which starts with a { (curly braces) ). For example, using TROOT::Reset
2592/// from within an interpreted function will lead to the unloading of the
2593/// dictionary and source file, including the one defining the function being
2594/// executed.
2595///
2596
2598{
2599 if (IsExecutingMacro()) return; //True when TMacro::Exec runs
2600 if (fInterpreter) {
2601 if (!strncmp(option, "a", 1)) {
2604 } else
2605 gInterpreter->ResetGlobals();
2606
2607 if (fGlobals) fGlobals->Unload();
2609
2610 SaveContext();
2611 }
2612}
2613
2614////////////////////////////////////////////////////////////////////////////////
2615/// Save the current interpreter context.
2616
2618{
2619 if (fInterpreter)
2620 gInterpreter->SaveGlobalsContext();
2621}
2622
2623////////////////////////////////////////////////////////////////////////////////
2624/// Set the default graphical cut class name for the graphics editor
2625/// By default the graphics editor creates an instance of a class TCutG.
2626/// This function may be called to specify a different class that MUST
2627/// derive from TCutG
2628
2630{
2631 if (!name) {
2632 Error("SetCutClassName","Invalid class name");
2633 return;
2634 }
2636 if (!cl) {
2637 Error("SetCutClassName","Unknown class:%s",name);
2638 return;
2639 }
2640 if (!cl->InheritsFrom("TCutG")) {
2641 Error("SetCutClassName","Class:%s does not derive from TCutG",name);
2642 return;
2643 }
2645}
2646
2647////////////////////////////////////////////////////////////////////////////////
2648/// Set editor mode
2649
2651{
2652 fEditorMode = 0;
2653 if (!mode[0]) return;
2654 if (!strcmp(mode,"Arc")) {fEditorMode = kArc; return;}
2655 if (!strcmp(mode,"Line")) {fEditorMode = kLine; return;}
2656 if (!strcmp(mode,"Arrow")) {fEditorMode = kArrow; return;}
2657 if (!strcmp(mode,"Button")) {fEditorMode = kButton; return;}
2658 if (!strcmp(mode,"Diamond")) {fEditorMode = kDiamond; return;}
2659 if (!strcmp(mode,"Ellipse")) {fEditorMode = kEllipse; return;}
2660 if (!strcmp(mode,"Pad")) {fEditorMode = kPad; return;}
2661 if (!strcmp(mode,"Pave")) {fEditorMode = kPave; return;}
2662 if (!strcmp(mode,"PaveLabel")){fEditorMode = kPaveLabel; return;}
2663 if (!strcmp(mode,"PaveText")) {fEditorMode = kPaveText; return;}
2664 if (!strcmp(mode,"PavesText")){fEditorMode = kPavesText; return;}
2665 if (!strcmp(mode,"PolyLine")) {fEditorMode = kPolyLine; return;}
2666 if (!strcmp(mode,"CurlyLine")){fEditorMode = kCurlyLine; return;}
2667 if (!strcmp(mode,"CurlyArc")) {fEditorMode = kCurlyArc; return;}
2668 if (!strcmp(mode,"Text")) {fEditorMode = kText; return;}
2669 if (!strcmp(mode,"Marker")) {fEditorMode = kMarker; return;}
2670 if (!strcmp(mode,"CutG")) {fEditorMode = kCutG; return;}
2671}
2672
2673////////////////////////////////////////////////////////////////////////////////
2674/// Change current style to style with name stylename
2675
2676void TROOT::SetStyle(const char *stylename)
2677{
2678 TString style_name = stylename;
2679
2680 TStyle *style = GetStyle(style_name);
2681 if (style) style->cd();
2682 else Error("SetStyle","Unknown style:%s",style_name.Data());
2683}
2684
2685
2686//-------- Static Member Functions ---------------------------------------------
2687
2688
2689////////////////////////////////////////////////////////////////////////////////
2690/// Decrease the indentation level for ls().
2691
2693{
2694 return --fgDirLevel;
2695}
2696
2697////////////////////////////////////////////////////////////////////////////////
2698///return directory level
2699
2701{
2702 return fgDirLevel;
2703}
2704
2705////////////////////////////////////////////////////////////////////////////////
2706/// Get macro search path. Static utility function.
2707
2709{
2710 TString &macroPath = ROOT::GetMacroPath();
2711
2712 if (macroPath.Length() == 0) {
2713 macroPath = gEnv->GetValue("Root.MacroPath", (char*)nullptr);
2714#if defined(R__WIN32)
2715 macroPath.ReplaceAll("; ", ";");
2716#else
2717 macroPath.ReplaceAll(": ", ":");
2718#endif
2719 if (macroPath.Length() == 0)
2720#if !defined(R__WIN32)
2721 macroPath = ".:" + TROOT::GetMacroDir();
2722#else
2723 macroPath = ".;" + TROOT::GetMacroDir();
2724#endif
2725 }
2726
2727 return macroPath;
2728}
2729
2730////////////////////////////////////////////////////////////////////////////////
2731/// Set or extend the macro search path. Static utility function.
2732/// If newpath=0 or "" reset to value specified in the rootrc file.
2733
2734void TROOT::SetMacroPath(const char *newpath)
2735{
2736 TString &macroPath = ROOT::GetMacroPath();
2737
2738 if (!newpath || !*newpath)
2739 macroPath = "";
2740 else
2741 macroPath = newpath;
2742}
2743
2744////////////////////////////////////////////////////////////////////////////////
2745/// \brief Specify where web graphics shall be rendered
2746///
2747/// The input parameter `webdisplay` defines where web graphics is rendered.
2748/// `webdisplay` parameter may contain:
2749///
2750/// - "off": turns off the web display and comes back to normal graphics in
2751/// interactive mode.
2752/// - "batch": turns the web display in batch mode. It can be prepended with
2753/// another string which is considered as the new current web display.
2754/// - "nobatch": turns the web display in interactive mode. It can be
2755/// prepended with another string which is considered as the new current web display.
2756///
2757/// If the option "off" is not set, this method turns the normal graphics to
2758/// "Batch" to avoid the loading of local graphics libraries.
2759
2760void TROOT::SetWebDisplay(const char *webdisplay)
2761{
2762 const char *wd = webdisplay;
2763 if (!wd)
2764 wd = "";
2765
2766 if (!strcmp(wd, "off")) {
2769 fWebDisplay = "";
2770 } else if (!strncmp(wd, "server", 6)) {
2773 fWebDisplay = "server";
2774 if (wd[6] == ':') {
2775 auto port = TString(wd+7).Atoi();
2776 if (port > 0)
2777 gEnv->SetValue("WebGui.HttpPort", port);
2778 else
2779 Error("SetWebDisplay","Wrong port parameter %s for server", wd+7);
2780 }
2781 } else {
2783 if (!strncmp(wd, "batch", 5)) {
2785 wd += 5;
2786 } else if (!strncmp(wd, "nobatch", 7)) {
2788 wd += 7;
2789 } else {
2791 }
2792 fWebDisplay = wd;
2793 }
2794}
2795
2796////////////////////////////////////////////////////////////////////////////////
2797/// Increase the indentation level for ls().
2798
2800{
2801 return ++fgDirLevel;
2802}
2803
2804////////////////////////////////////////////////////////////////////////////////
2805/// Functions used by ls() to indent an object hierarchy.
2806
2808{
2809 for (int i = 0; i < fgDirLevel; i++) std::cout.put(' ');
2810}
2811
2812////////////////////////////////////////////////////////////////////////////////
2813/// Initialize ROOT explicitly.
2814
2816 (void) gROOT;
2817}
2818
2819////////////////////////////////////////////////////////////////////////////////
2820/// Return kTRUE if the TROOT object has been initialized.
2821
2823{
2824 return fgRootInit;
2825}
2826
2827////////////////////////////////////////////////////////////////////////////////
2828/// Return Indentation level for ls().
2829
2831{
2832 fgDirLevel = level;
2833}
2834
2835////////////////////////////////////////////////////////////////////////////////
2836/// Convert version code to an integer, i.e. 331527 -> 51507.
2837
2839{
2840 return 10000*(code>>16) + 100*((code&65280)>>8) + (code&255);
2841}
2842
2843////////////////////////////////////////////////////////////////////////////////
2844/// Convert version as an integer to version code as used in RVersion.h.
2845
2847{
2848 int a = v/10000;
2849 int b = (v - a*10000)/100;
2850 int c = v - a*10000 - b*100;
2851 return (a << 16) + (b << 8) + c;
2852}
2853
2854////////////////////////////////////////////////////////////////////////////////
2855/// Return ROOT version code as defined in RVersion.h.
2856
2858{
2859 return ROOT_VERSION_CODE;
2860}
2861////////////////////////////////////////////////////////////////////////////////
2862/// Provide command line arguments to the interpreter construction.
2863/// These arguments are added to the existing flags (e.g. `-DNDEBUG`).
2864/// They are evaluated once per process, at the time where TROOT (and thus
2865/// TInterpreter) is constructed.
2866/// Returns the new flags.
2867
2868const std::vector<std::string> &TROOT::AddExtraInterpreterArgs(const std::vector<std::string> &args) {
2869 static std::vector<std::string> sArgs = {};
2870 sArgs.insert(sArgs.begin(), args.begin(), args.end());
2871 return sArgs;
2872}
2873
2874////////////////////////////////////////////////////////////////////////////////
2875/// INTERNAL function!
2876/// Used by rootcling to inject interpreter arguments through a C-interface layer.
2877
2879 static const char** extraInterpArgs = nullptr;
2880 return extraInterpArgs;
2881}
2882
2883////////////////////////////////////////////////////////////////////////////////
2884
2885#ifdef ROOTPREFIX
2886static Bool_t IgnorePrefix() {
2887 static Bool_t ignorePrefix = gSystem->Getenv("ROOTIGNOREPREFIX");
2888 return ignorePrefix;
2889}
2890#endif
2891
2892////////////////////////////////////////////////////////////////////////////////
2893/// Get the rootsys directory in the installation. Static utility function.
2894
2896 // Avoid returning a reference to a temporary because of the conversion
2897 // between std::string and TString.
2898 const static TString rootsys = ROOT::FoundationUtils::GetRootSys();
2899 return rootsys;
2900}
2901
2902////////////////////////////////////////////////////////////////////////////////
2903/// Get the binary directory in the installation. Static utility function.
2904
2906#ifdef ROOTBINDIR
2907 if (IgnorePrefix()) {
2908#endif
2909 static TString rootbindir;
2910 if (rootbindir.IsNull()) {
2911 rootbindir = "bin";
2912 gSystem->PrependPathName(GetRootSys(), rootbindir);
2913 }
2914 return rootbindir;
2915#ifdef ROOTBINDIR
2916 } else {
2917 const static TString rootbindir = ROOTBINDIR;
2918 return rootbindir;
2919 }
2920#endif
2921}
2922
2923////////////////////////////////////////////////////////////////////////////////
2924/// Get the library directory in the installation. Static utility function.
2925
2927#ifdef ROOTLIBDIR
2928 if (IgnorePrefix()) {
2929#endif
2930 static TString rootlibdir;
2931 if (rootlibdir.IsNull()) {
2932 rootlibdir = "lib";
2933 gSystem->PrependPathName(GetRootSys(), rootlibdir);
2934 }
2935 return rootlibdir;
2936#ifdef ROOTLIBDIR
2937 } else {
2938 const static TString rootlibdir = ROOTLIBDIR;
2939 return rootlibdir;
2940 }
2941#endif
2942}
2943
2944////////////////////////////////////////////////////////////////////////////////
2945/// Get the include directory in the installation. Static utility function.
2946
2948 // Avoid returning a reference to a temporary because of the conversion
2949 // between std::string and TString.
2950 const static TString includedir = ROOT::FoundationUtils::GetIncludeDir();
2951 return includedir;
2952}
2953
2954////////////////////////////////////////////////////////////////////////////////
2955/// Get the sysconfig directory in the installation. Static utility function.
2956
2958 // Avoid returning a reference to a temporary because of the conversion
2959 // between std::string and TString.
2960 const static TString etcdir = ROOT::FoundationUtils::GetEtcDir();
2961 return etcdir;
2962}
2963
2964////////////////////////////////////////////////////////////////////////////////
2965/// Get the data directory in the installation. Static utility function.
2966
2968#ifdef ROOTDATADIR
2969 if (IgnorePrefix()) {
2970#endif
2971 return GetRootSys();
2972#ifdef ROOTDATADIR
2973 } else {
2974 const static TString rootdatadir = ROOTDATADIR;
2975 return rootdatadir;
2976 }
2977#endif
2978}
2979
2980////////////////////////////////////////////////////////////////////////////////
2981/// Get the documentation directory in the installation. Static utility function.
2982
2984#ifdef ROOTDOCDIR
2985 if (IgnorePrefix()) {
2986#endif
2987 return GetRootSys();
2988#ifdef ROOTDOCDIR
2989 } else {
2990 const static TString rootdocdir = ROOTDOCDIR;
2991 return rootdocdir;
2992 }
2993#endif
2994}
2995
2996////////////////////////////////////////////////////////////////////////////////
2997/// Get the macro directory in the installation. Static utility function.
2998
3000#ifdef ROOTMACRODIR
3001 if (IgnorePrefix()) {
3002#endif
3003 static TString rootmacrodir;
3004 if (rootmacrodir.IsNull()) {
3005 rootmacrodir = "macros";
3006 gSystem->PrependPathName(GetRootSys(), rootmacrodir);
3007 }
3008 return rootmacrodir;
3009#ifdef ROOTMACRODIR
3010 } else {
3011 const static TString rootmacrodir = ROOTMACRODIR;
3012 return rootmacrodir;
3013 }
3014#endif
3015}
3016
3017////////////////////////////////////////////////////////////////////////////////
3018/// Get the tutorials directory in the installation. Static utility function.
3019
3021#ifdef ROOTTUTDIR
3022 if (IgnorePrefix()) {
3023#endif
3024 static TString roottutdir;
3025 if (roottutdir.IsNull()) {
3026 roottutdir = "tutorials";
3027 gSystem->PrependPathName(GetRootSys(), roottutdir);
3028 }
3029 return roottutdir;
3030#ifdef ROOTTUTDIR
3031 } else {
3032 const static TString roottutdir = ROOTTUTDIR;
3033 return roottutdir;
3034 }
3035#endif
3036}
3037
3038////////////////////////////////////////////////////////////////////////////////
3039/// Shut down ROOT.
3040
3042{
3043 if (gROOT)
3044 gROOT->EndOfProcessCleanups();
3045 else if (gInterpreter)
3046 gInterpreter->ShutDown();
3047}
3048
3049////////////////////////////////////////////////////////////////////////////////
3050/// Get the source directory in the installation. Static utility function.
3051
3053#ifdef ROOTSRCDIR
3054 if (IgnorePrefix()) {
3055#endif
3056 static TString rootsrcdir;
3057 if (rootsrcdir.IsNull()) {
3058 rootsrcdir = "src";
3059 gSystem->PrependPathName(GetRootSys(), rootsrcdir);
3060 }
3061 return rootsrcdir;
3062#ifdef ROOTSRCDIR
3063 } else {
3064 const static TString rootsrcdir = ROOTSRCDIR;
3065 return rootsrcdir;
3066 }
3067#endif
3068}
3069
3070////////////////////////////////////////////////////////////////////////////////
3071/// Get the icon path in the installation. Static utility function.
3072
3074#ifdef ROOTICONPATH
3075 if (IgnorePrefix()) {
3076#endif
3077 static TString rooticonpath;
3078 if (rooticonpath.IsNull()) {
3079 rooticonpath = "icons";
3080 gSystem->PrependPathName(GetRootSys(), rooticonpath);
3081 }
3082 return rooticonpath;
3083#ifdef ROOTICONPATH
3084 } else {
3085 const static TString rooticonpath = ROOTICONPATH;
3086 return rooticonpath;
3087 }
3088#endif
3089}
3090
3091////////////////////////////////////////////////////////////////////////////////
3092/// Get the fonts directory in the installation. Static utility function.
3093
3095#ifdef TTFFONTDIR
3096 if (IgnorePrefix()) {
3097#endif
3098 static TString ttffontdir;
3099 if (ttffontdir.IsNull()) {
3100 ttffontdir = "fonts";
3101 gSystem->PrependPathName(GetRootSys(), ttffontdir);
3102 }
3103 return ttffontdir;
3104#ifdef TTFFONTDIR
3105 } else {
3106 const static TString ttffontdir = TTFFONTDIR;
3107 return ttffontdir;
3108 }
3109#endif
3110}
3111
3112////////////////////////////////////////////////////////////////////////////////
3113/// Get the tutorials directory in the installation. Static utility function.
3114/// Backward compatibility function - do not use for new code
3115
3117 return GetTutorialDir();
3118}
@ kMarker
Definition: Buttons.h:34
@ kCurlyArc
Definition: Buttons.h:38
@ kPad
Definition: Buttons.h:30
@ kPolyLine
Definition: Buttons.h:28
@ kDiamond
Definition: Buttons.h:37
@ kPave
Definition: Buttons.h:31
@ kArrow
Definition: Buttons.h:33
@ kPaveText
Definition: Buttons.h:32
@ kCutG
Definition: Buttons.h:38
@ kLine
Definition: Buttons.h:33
@ kPavesText
Definition: Buttons.h:32
@ kCurlyLine
Definition: Buttons.h:38
@ kPaveLabel
Definition: Buttons.h:31
@ kButton
Definition: Buttons.h:37
@ kEllipse
Definition: Buttons.h:32
@ kText
Definition: Buttons.h:30
@ kArc
Definition: Buttons.h:33
The file contains utilities which are foundational and could be used across the core component of ROO...
#define SafeDelete(p)
Definition: RConfig.hxx:534
#define d(i)
Definition: RSha256.hxx:102
#define f(i)
Definition: RSha256.hxx:104
#define c(i)
Definition: RSha256.hxx:101
#define ROOT_RELEASE
Definition: RVersion.h:17
#define ROOT_RELEASE_TIME
Definition: RVersion.h:19
#define ROOT_VERSION_CODE
Definition: RVersion.h:21
#define ROOT_RELEASE_DATE
Definition: RVersion.h:18
bool Bool_t
Definition: RtypesCore.h:63
const Ssiz_t kNPOS
Definition: RtypesCore.h:124
int Int_t
Definition: RtypesCore.h:45
long Longptr_t
Definition: RtypesCore.h:82
const Bool_t kFALSE
Definition: RtypesCore.h:101
unsigned int UInt_t
Definition: RtypesCore.h:46
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassImp(name)
Definition: Rtypes.h:375
void(* VoidFuncPtr_t)()
Definition: Rtypes.h:79
R__EXTERN TClassTable * gClassTable
Definition: TClassTable.h:95
TInterpreter * CreateInterpreter(void *interpLibHandle, const char *argv[])
Definition: TCling.cxx:598
#define gDirectory
Definition: TDirectory.h:348
R__EXTERN TEnv * gEnv
Definition: TEnv.h:170
void DefaultErrorHandler(Int_t level, Bool_t abort_bool, const char *location, const char *msg)
The default error handler function.
void Error(const char *location, const char *msgfmt,...)
Use this function in case an error occurred.
Definition: TError.cxx:187
void Warning(const char *location, const char *msgfmt,...)
Use this function in warning situations.
Definition: TError.cxx:231
ErrorHandlerFunc_t SetErrorHandler(ErrorHandlerFunc_t newhandler)
Set an errorhandler function. Returns the old handler.
Definition: TError.cxx:92
Option_t Option_t option
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t cursor
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char filename
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h offset
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t b
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t result
Option_t Option_t TPoint TPoint const char mode
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t g
Option_t Option_t style
char name[80]
Definition: TGX11.cxx:110
R__EXTERN TGuiFactory * gBatchGuiFactory
Definition: TGuiFactory.h:67
R__EXTERN TGuiFactory * gGuiFactory
Definition: TGuiFactory.h:66
R__EXTERN TVirtualMutex * gInterpreterMutex
Definition: TInterpreter.h:46
TInterpreter * CreateInterpreter_t(void *shlibHandle, const char *argv[])
Definition: TInterpreter.h:560
R__EXTERN TInterpreter * gCling
Definition: TInterpreter.h:565
#define gInterpreter
Definition: TInterpreter.h:564
void * DestroyInterpreter_t(TInterpreter *)
Definition: TInterpreter.h:561
R__EXTERN TPluginManager * gPluginMgr
Bool_t & GetReadingObject()
Definition: TROOT.cxx:2398
static Int_t IVERSQ()
Return version id as an integer, i.e. "2.22/04" -> 22204.
Definition: TROOT.cxx:183
static Int_t IDATQQ(const char *date)
Return built date as integer, i.e. "Apr 28 2000" -> 20000428.
Definition: TROOT.cxx:193
static TClass * R__GetClassIfKnown(const char *className)
Check whether className is a known class, and only autoload if we can.
Definition: TROOT.cxx:1847
static DestroyInterpreter_t * gDestroyInterpreter
Definition: TROOT.cxx:169
Int_t gDebug
Definition: TROOT.cxx:585
static void * gInterpreterLib
Definition: TROOT.cxx:170
static Int_t ITIMQQ(const char *time)
Return built time as integer (with min precision), i.e.
Definition: TROOT.cxx:214
static void at_exit_of_TROOT()
Definition: TROOT.cxx:288
TVirtualMutex * gROOTMutex
Definition: TROOT.cxx:173
static void CleanUpROOTAtExit()
Clean up at program termination before global objects go out of scope.
Definition: TROOT.cxx:224
static void CallCloseFiles()
Insure that the files, canvases and sockets are closed.
Definition: TROOT.cxx:2468
void R__SetZipMode(int)
#define gROOT
Definition: TROOT.h:404
R__EXTERN TStyle * gStyle
Definition: TStyle.h:414
void(* Func_t)()
Definition: TSystem.h:238
R__EXTERN const char * gRootDir
Definition: TSystem.h:241
@ kReadPermission
Definition: TSystem.h:47
Bool_t R_ISREG(Int_t mode)
Definition: TSystem.h:118
R__EXTERN TSystem * gSystem
Definition: TSystem.h:559
R__EXTERN TVirtualMutex * gGlobalMutex
Definition: TVirtualMutex.h:30
#define R__LOCKGUARD(mutex)
#define gPad
Definition: TVirtualPad.h:288
#define R__READ_LOCKGUARD(mutex)
#define gVirtualX
Definition: TVirtualX.h:338
R__EXTERN TVirtualX * gGXBatch
Definition: TVirtualX.h:341
const char * proto
Definition: civetweb.c:17502
char fHolder[sizeof(TROOT)]
Definition: TROOT.cxx:330
static void CreateApplication()
Static function used to create a default application environment.
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:37
The Canvas class.
Definition: TCanvas.h:23
Objects following this interface can be passed onto the TROOT object to implement a user customized w...
This class registers for all classes their name, id and dictionary function in a hash table.
Definition: TClassTable.h:36
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
static void AddClass(TClass *cl)
static: Add a class to the list and map of classes.
Definition: TClass.cxx:494
static TClass * LoadClass(const char *requestedname, Bool_t silent)
Helper function used by TClass::GetClass().
Definition: TClass.cxx:5737
Short_t GetDeclFileLine() const
Definition: TClass.h:426
static void RemoveClass(TClass *cl)
static: Remove a class from the list and map of classes
Definition: TClass.cxx:520
ClassInfo_t * GetClassInfo() const
Definition: TClass.h:430
Bool_t InheritsFrom(const char *cl) const override
Return kTRUE if this class inherits from a class with name "classname".
Definition: TClass.cxx:4862
const char * GetDeclFileName() const
Return name of the file containing the declaration of this class.
Definition: TClass.cxx:3451
@ kClassSaved
Definition: TClass.h:94
static TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE)
Static method returning pointer to TClass of the specified class name.
Definition: TClass.cxx:2968
Collection abstract base class.
Definition: TCollection.h:65
void RecursiveRemove(TObject *obj) override
Remove object from this collection and recursively remove the object from all other objects (and coll...
virtual bool UseRWLock(Bool_t enable=true)
Set this collection to use a RW lock upon access, making it thread safe.
virtual void AddAll(const TCollection *col)
Add all objects from collection col to this collection.
virtual void SetOwner(Bool_t enable=kTRUE)
Set whether this collection is the owner (enable==true) of its content.
virtual void Add(TObject *obj)=0
TObject * FindObject(const char *name) const override
Find an object in this collection using its name.
void Delete(Option_t *option="") override=0
Delete this object.
void Clear(Option_t *option="") override=0
virtual Int_t GetSize() const
Return the capacity of the collection, i.e.
Definition: TCollection.h:184
The color creation and management class.
Definition: TColor.h:19
static void InitializeColors()
Initialize colors used by the TCanvas based graphics (via TColor objects).
Definition: TColor.cxx:1142
Int_t GetNumber() const
Definition: TColor.h:56
Basic data type descriptor (datatype information is obtained from CINT).
Definition: TDataType.h:44
Describe directory structure in memory.
Definition: TDirectory.h:45
virtual void Close(Option_t *option="")
Delete all objects from memory and directory structure itself.
Definition: TDirectory.cxx:593
virtual TList * GetList() const
Definition: TDirectory.h:213
void ls(Option_t *option="") const override
List Directory contents.
virtual void Append(TObject *obj, Bool_t replace=kFALSE)
Append object to this directory.
Definition: TDirectory.cxx:191
void SetName(const char *newname) override
Set the name for directory If the directory name is changed after the directory was written once,...
void BuildDirectory(TFile *motherFile, TDirectory *motherDir)
Initialise directory to defaults.
Definition: TDirectory.cxx:238
static std::atomic< TDirectory * > & CurrentDirectory()
Return the current directory for the current thread.
Definition: TDirectory.cxx:387
virtual TObject * Remove(TObject *)
Remove an object from the in-memory list.
TList * fList
Definition: TDirectory.h:138
The TEnv class reads config files, by default named .rootrc.
Definition: TEnv.h:124
virtual Int_t GetValue(const char *name, Int_t dflt) const
Returns the integer value for a resource.
Definition: TEnv.cxx:491
virtual void SetValue(const char *name, const char *value, EEnvLevel level=kEnvChange, const char *type=nullptr)
Set the value of a resource or create a new resource.
Definition: TEnv.cxx:736
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format.
Definition: TFile.h:54
A TFolder object is a collection of objects and folders.
Definition: TFolder.h:30
virtual TObject * FindObjectAny(const char *name) const
Return a pointer to the first object with name starting at this folder.
Definition: TFolder.cxx:341
TFolder * AddFolder(const char *name, const char *title, TCollection *collection=nullptr)
Create a new folder and add it to the list of folders of this folder, return a pointer to the created...
Definition: TFolder.cxx:180
Dictionary for function template This class describes one single function template.
Global functions class (global functions are obtained from CINT).
Definition: TFunction.h:30
static void MakeFunctor(const char *name, const char *type, GlobFunc &func)
Definition: TGlobal.h:73
static TList & GetEarlyRegisteredGlobals()
Returns list collected globals Used to storeTGlobalMappedFunctions from other libs,...
Definition: TGlobal.cxx:185
Global variables class (global variables are obtained from CINT).
Definition: TGlobal.h:28
This ABC is a factory for GUI components.
Definition: TGuiFactory.h:42
THashList implements a hybrid collection class consisting of a hash table and a list to store TObject...
Definition: THashList.h:34
THashTable implements a hash table to store TObject's.
Definition: THashTable.h:35
virtual void RegisterModule(const char *, const char **, const char **, const char *, const char *, void(*)(), const FwdDeclArgsToKeepCollection_t &fwdDeclArgsToKeep, const char **classesHeaders, Bool_t lateRegistration=false, Bool_t hasCxxModule=false)=0
virtual void Reset()=0
virtual void Initialize()=0
std::vector< std::pair< std::string, int > > FwdDeclArgsToKeepCollection_t
Definition: TInterpreter.h:137
virtual void SaveContext()=0
TDictionary::DeclId_t DeclId_t
Definition: TInterpreter.h:292
Option_t * GetOption() const
Definition: TCollection.h:253
A collection of TDataMember objects designed for fast access given a DeclId_t and for keep track of T...
void Delete(Option_t *option="") override
Delete all TDataMember object files.
void Unload()
Mark 'all func' as being unloaded.
TDictionary * Get(DeclId_t id)
Return (after creating it if necessary) the TDataMember describing the data member corresponding to t...
void Load()
Load all the DataMembers known to the interpreter for the scope 'fClass' into this collection.
A collection of TEnum objects designed for fast access given a DeclId_t and for keep track of TEnum t...
A collection of TFunction objects designed for fast access given a DeclId_t and for keep track of TFu...
TObject * FindObject(const char *name) const override
Specialize FindObject to do search for the a function just by name or create it if its not already in...
A collection of TFunction objects designed for fast access given a DeclId_t and for keep track of TFu...
TFunction * Get(DeclId_t id)
Return (after creating it if necessary) the TMethod or TFunction describing the function correspondin...
void Delete(Option_t *option="") override
Delete all TFunction object files.
void Load()
Load all the functions known to the interpreter for the scope 'fClass' into this collection.
void Unload()
Mark 'all func' as being unloaded.
A collection of TDataType designed to hold the typedef information and numerical type information.
Definition: TListOfTypes.h:31
A doubly linked list.
Definition: TList.h:38
void Clear(Option_t *option="") override
Remove all objects from the list.
Definition: TList.cxx:402
void Add(TObject *obj) override
Definition: TList.h:81
void AddLast(TObject *obj) override
Add object at the end of the list.
Definition: TList.cxx:152
virtual TObjLink * FirstLink() const
Definition: TList.h:102
void Delete(Option_t *option="") override
Remove all objects from the list AND delete all heap based objects.
Definition: TList.cxx:470
Handle messages that might be generated by the system.
virtual void HandleMessage(Long_t id, const TObject *obj)
Store message origin, keep statistics and call Notify().
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition: TNamed.cxx:164
virtual void SetName(const char *name)
Set the name of the TNamed.
Definition: TNamed.cxx:140
An array of TObjects.
Definition: TObjArray.h:31
TObject * At(Int_t idx) const override
Definition: TObjArray.h:164
Mother of all ROOT objects.
Definition: TObject.h:37
static void SetObjectStat(Bool_t stat)
Turn on/off tracking of objects in the TObjectTable.
Definition: TObject.cxx:974
virtual const char * GetName() const
Returns name of object.
Definition: TObject.cxx:363
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
Definition: TObject.h:187
@ kNotDeleted
object has not been deleted
Definition: TObject.h:78
virtual const char * ClassName() const
Returns name of class to which the object belongs.
Definition: TObject.cxx:130
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
Definition: TObject.cxx:879
virtual TObject * FindObject(const char *name) const
Must be redefined in derived classes.
Definition: TObject.cxx:327
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
Definition: TObject.cxx:698
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
Definition: TObject.cxx:893
virtual void Fatal(const char *method, const char *msgfmt,...) const
Issue fatal error message.
Definition: TObject.cxx:921
@ kInvalidObject
if object ctor succeeded but object should not be used
Definition: TObject.h:68
@ kMustCleanup
if object destructor must call RecursiveRemove()
Definition: TObject.h:60
This class implements a plugin library manager.
void LoadHandlersFromEnv(TEnv *env)
Load plugin handlers specified in config file, like:
static void Cleanup()
static function (called by TROOT destructor) to delete all TProcessIDs
Definition: TProcessID.cxx:204
static TProcessID * AddProcessID()
Static function to add a new TProcessID to the list of PIDs.
Definition: TProcessID.cxx:116
This class is a specialized TProcessID managing the list of UUIDs.
Definition: TProcessUUID.h:32
static Bool_t BlockAllSignals(Bool_t b)
Block or unblock all signals. Returns the previous block status.
Definition: TQObject.cxx:1057
ROOT top level object description.
Definition: TROOT.h:94
static Int_t IncreaseDirLevel()
Increase the indentation level for ls().
Definition: TROOT.cxx:2799
Int_t IgnoreInclude(const char *fname, const char *expandedfname)
Return 1 if the name of the given include file corresponds to a class that is known to ROOT,...
Definition: TROOT.cxx:1868
Int_t fVersionCode
Definition: TROOT.h:115
void Message(Int_t id, const TObject *obj)
Process message id called by obj.
Definition: TROOT.cxx:2290
void RemoveClass(TClass *)
Remove a class from the list and map of classes.
Definition: TROOT.cxx:2574
TSeqCollection * fProofs
Definition: TROOT.h:162
TCollection * fClassGenerators
Definition: TROOT.h:160
TROOT()
Default ctor.
Definition: TROOT.cxx:593
void SetCutClassName(const char *name="TCutG")
Set the default graphical cut class name for the graphics editor By default the graphics editor creat...
Definition: TROOT.cxx:2629
TSeqCollection * fCanvases
Definition: TROOT.h:149
TObject * FindObjectAnyFile(const char *name) const override
Scan the memory lists of all files for an object with name.
Definition: TROOT.cxx:1387
const TObject * fPrimitive
Definition: TROOT.h:138
Bool_t fIsWebDisplay
Definition: TROOT.h:128
TFolder * fRootFolder
Definition: TROOT.h:167
void AddClassGenerator(TClassGenerator *gen)
Add a class generator.
Definition: TROOT.cxx:1010
TSeqCollection * fGeometries
Definition: TROOT.h:154
TString fCutClassName
Definition: TROOT.h:170
TInterpreter * fInterpreter
Definition: TROOT.h:125
std::vector< std::pair< std::string, int > > FwdDeclArgsToKeepCollection_t
Definition: TROOT.h:187
Int_t fVersionTime
Definition: TROOT.h:117
void EndOfProcessCleanups()
Execute the cleanups necessary at the end of the process, in particular those that must be executed b...
Definition: TROOT.cxx:1202
Bool_t fBatch
Definition: TROOT.h:126
TSeqCollection * GetListOfFiles() const
Definition: TROOT.h:237
Bool_t fEscape
Definition: TROOT.h:135
static const TString & GetBinDir()
Get the binary directory in the installation. Static utility function.
Definition: TROOT.cxx:2905
Int_t fVersionInt
Definition: TROOT.h:114
static const TString & GetIncludeDir()
Get the include directory in the installation. Static utility function.
Definition: TROOT.cxx:2947
Longptr_t ProcessLine(const char *line, Int_t *error=0)
Process interpreter command via TApplication::ProcessLine().
Definition: TROOT.cxx:2310
Longptr_t ProcessLineFast(const char *line, Int_t *error=0)
Process interpreter command directly via CINT interpreter.
Definition: TROOT.cxx:2347
Bool_t fFromPopUp
Definition: TROOT.h:131
TSeqCollection * fSockets
Definition: TROOT.h:148
void ls(Option_t *option="") const override
To list all objects of the application.
Definition: TROOT.cxx:2190
static const char * GetMacroPath()
Get macro search path. Static utility function.
Definition: TROOT.cxx:2708
TCollection * fFunctions
Definition: TROOT.h:151
void SaveContext()
Save the current interpreter context.
Definition: TROOT.cxx:2617
Bool_t IsExecutingMacro() const
Definition: TROOT.h:280
TDataType * GetType(const char *name, Bool_t load=kFALSE) const
Return pointer to type with name.
Definition: TROOT.cxx:1513
static void Initialize()
Initialize ROOT explicitly.
Definition: TROOT.cxx:2815
TFunction * GetGlobalFunctionWithPrototype(const char *name, const char *proto=0, Bool_t load=kFALSE)
Return pointer to global function by name.
Definition: TROOT.cxx:1658
static void ShutDown()
Shut down ROOT.
Definition: TROOT.cxx:3041
TObject * GetFunction(const char *name) const
Return pointer to function with name.
Definition: TROOT.cxx:1538
static Int_t ConvertVersionCode2Int(Int_t code)
Convert version code to an integer, i.e. 331527 -> 51507.
Definition: TROOT.cxx:2838
TSeqCollection * fMessageHandlers
Definition: TROOT.h:158
void SetStyle(const char *stylename="Default")
Change current style to style with name stylename.
Definition: TROOT.cxx:2676
AListOfEnums_t fEnums
Definition: TROOT.h:165
void ReadGitInfo()
Read Git commit information and branch name from the etc/gitinfo.txt file.
Definition: TROOT.cxx:2369
static Bool_t fgRootInit
Definition: TROOT.h:103
void RefreshBrowsers()
Refresh all browsers.
Definition: TROOT.cxx:2458
void CloseFiles()
Close any files and sockets that gROOT knows about.
Definition: TROOT.cxx:1124
std::atomic< TApplication * > fApplication
Definition: TROOT.h:124
const char * FindObjectPathName(const TObject *obj) const
Return path name of obj somewhere in the //root/... path.
Definition: TROOT.cxx:1424
static Int_t ConvertVersionInt2Code(Int_t v)
Convert version as an integer to version code as used in RVersion.h.
Definition: TROOT.cxx:2846
static const TString & GetTTFFontDir()
Get the fonts directory in the installation. Static utility function.
Definition: TROOT.cxx:3094
Bool_t fForceStyle
Definition: TROOT.h:133
TCanvas * MakeDefCanvas() const
Return a default canvas.
Definition: TROOT.cxx:1505
TCollection * fTypes
Definition: TROOT.h:141
TColor * GetColor(Int_t color) const
Return address of color with index color.
Definition: TROOT.cxx:1487
TGlobal * GetGlobal(const char *name, Bool_t load=kFALSE) const
Return pointer to global variable by name.
Definition: TROOT.cxx:1571
TClass * FindSTLClass(const char *name, Bool_t load, Bool_t silent=kFALSE) const
return a TClass object corresponding to 'name' assuming it is an STL container.
Definition: TROOT.cxx:1435
TSeqCollection * fStreamerInfo
Definition: TROOT.h:159
void Append(TObject *obj, Bool_t replace=kFALSE) override
Append object to this directory.
Definition: TROOT.cxx:1022
static const TString & GetIconPath()
Get the icon path in the installation. Static utility function.
Definition: TROOT.cxx:3073
TCollection * GetListOfGlobalFunctions(Bool_t load=kFALSE)
Return list containing the TFunctions currently defined.
Definition: TROOT.cxx:1766
TString fGitDate
Definition: TROOT.h:122
TSeqCollection * fSpecials
Definition: TROOT.h:156
TCollection * GetListOfFunctionTemplates()
Definition: TROOT.cxx:1711
static void RegisterModule(const char *modulename, const char **headers, const char **includePaths, const char *payLoadCode, const char *fwdDeclCode, void(*triggerFunc)(), const FwdDeclArgsToKeepCollection_t &fwdDeclsArgToSkip, const char **classesHeaders, bool hasCxxModule=false)
Called by static dictionary initialization to register clang modules for headers.
Definition: TROOT.cxx:2481
TObject * FindObject(const char *name) const override
Returns address of a ROOT object if it exists.
Definition: TROOT.cxx:1264
TCollection * fClasses
Definition: TROOT.h:140
Bool_t fEditHistograms
Definition: TROOT.h:130
TListOfDataMembers * fGlobals
Definition: TROOT.h:143
TListOfFunctionTemplates * fFuncTemplate
Definition: TROOT.h:142
Int_t fTimer
Definition: TROOT.h:123
TSeqCollection * fDataSets
Definition: TROOT.h:164
TString fConfigOptions
Definition: TROOT.h:111
TStyle * GetStyle(const char *name) const
Return pointer to style with name.
Definition: TROOT.cxx:1530
TCollection * GetListOfEnums(Bool_t load=kFALSE)
Definition: TROOT.cxx:1694
void InitInterpreter()
Initialize the interpreter.
Definition: TROOT.cxx:2004
TCollection * GetListOfGlobals(Bool_t load=kFALSE)
Return list containing the TGlobals currently defined.
Definition: TROOT.cxx:1728
static void SetDirLevel(Int_t level=0)
Return Indentation level for ls().
Definition: TROOT.cxx:2830
TSeqCollection * fSecContexts
Definition: TROOT.h:161
TString fWebDisplay
Definition: TROOT.h:127
static const char * GetTutorialsDir()
Get the tutorials directory in the installation.
Definition: TROOT.cxx:3116
TCollection * GetListOfFunctionOverloads(const char *name) const
Return the collection of functions named "name".
Definition: TROOT.cxx:1612
TSeqCollection * fCleanups
Definition: TROOT.h:157
static Bool_t Initialized()
Return kTRUE if the TROOT object has been initialized.
Definition: TROOT.cxx:2822
Int_t fLineIsProcessing
Definition: TROOT.h:100
static const TString & GetSourceDir()
Get the source directory in the installation. Static utility function.
Definition: TROOT.cxx:3052
static const TString & GetMacroDir()
Get the macro directory in the installation. Static utility function.
Definition: TROOT.cxx:2999
TString fGitCommit
Definition: TROOT.h:120
TSeqCollection * fClosedObjects
Definition: TROOT.h:145
TSeqCollection * fTasks
Definition: TROOT.h:152
TFunction * GetGlobalFunction(const char *name, const char *params=0, Bool_t load=kFALSE)
Return pointer to global function by name.
Definition: TROOT.cxx:1625
TSeqCollection * fClipboard
Definition: TROOT.h:163
const char * GetGitDate()
Return date/time make was run.
Definition: TROOT.cxx:2420
void SetEditorMode(const char *mode="")
Set editor mode.
Definition: TROOT.cxx:2650
static const TString & GetTutorialDir()
Get the tutorials directory in the installation. Static utility function.
Definition: TROOT.cxx:3020
virtual ~TROOT()
Clean up and free resources used by ROOT (files, network sockets, shared memory segments,...
Definition: TROOT.cxx:849
TSeqCollection * fColors
Definition: TROOT.h:153
void Idle(UInt_t idleTimeInSec, const char *command=0)
Execute command when system has been idle for idleTimeInSec seconds.
Definition: TROOT.cxx:1832
TSeqCollection * GetListOfBrowsers() const
Definition: TROOT.h:245
Bool_t ReadingObject() const
Deprecated (will be removed in next release).
Definition: TROOT.cxx:2406
TSeqCollection * fStyles
Definition: TROOT.h:150
Int_t fVersionDate
Definition: TROOT.h:116
TSeqCollection * GetListOfColors() const
Definition: TROOT.h:232
Int_t fBuiltTime
Definition: TROOT.h:119
static const std::vector< std::string > & AddExtraInterpreterArgs(const std::vector< std::string > &args)
Provide command line arguments to the interpreter construction.
Definition: TROOT.cxx:2868
TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE) const
Return pointer to class with name. Obsolete, use TClass::GetClass directly.
Definition: TROOT.cxx:1469
TVirtualPad * fSelectPad
Definition: TROOT.h:139
TSeqCollection * fFiles
Definition: TROOT.h:146
void Browse(TBrowser *b) override
Add browsable objects to TBrowser.
Definition: TROOT.cxx:1031
static const TString & GetRootSys()
Get the rootsys directory in the installation. Static utility function.
Definition: TROOT.cxx:2895
TListOfFunctions * GetGlobalFunctions()
Internal routine returning, and creating if necessary, the list of global function.
Definition: TROOT.cxx:1603
Bool_t fInterrupt
Definition: TROOT.h:134
Bool_t fMustClean
Definition: TROOT.h:132
Int_t LoadClass(const char *classname, const char *libname, Bool_t check=kFALSE)
Check if class "classname" is known to the interpreter (in fact, this check is not needed anymore,...
Definition: TROOT.cxx:2123
void AddClass(TClass *cl)
Add a class to the list and map of classes.
Definition: TROOT.cxx:1000
static Int_t RootVersionCode()
Return ROOT version code as defined in RVersion.h.
Definition: TROOT.cxx:2857
TObject * FindSpecialObject(const char *name, void *&where)
Returns address and folder of a ROOT object if it exists.
Definition: TROOT.cxx:1318
TObject * Remove(TObject *) override
Remove an object from the in-memory list.
Definition: TROOT.cxx:2564
void InitSystem()
Initialize operating system interface.
Definition: TROOT.cxx:1918
Bool_t ClassSaved(TClass *cl)
return class status bit kClassSaved for class cl This function is called by the SavePrimitive functio...
Definition: TROOT.cxx:1050
TString fGitBranch
Definition: TROOT.h:121
TCollection * GetListOfTypes(Bool_t load=kFALSE)
Return a dynamic list giving access to all TDataTypes (typedefs) currently defined.
Definition: TROOT.cxx:1805
static Int_t fgDirLevel
Definition: TROOT.h:102
Bool_t IsRootFile(const char *filename) const
Return true if the file is local and is (likely) to be a ROOT file.
Definition: TROOT.cxx:2170
static void IndentLevel()
Functions used by ls() to indent an object hierarchy.
Definition: TROOT.cxx:2807
static const TString & GetDocDir()
Get the documentation directory in the installation. Static utility function.
Definition: TROOT.cxx:2983
static const TString & GetEtcDir()
Get the sysconfig directory in the installation. Static utility function.
Definition: TROOT.cxx:2957
Int_t GetNclasses() const
Get number of classes.
Definition: TROOT.cxx:1816
static const char **& GetExtraInterpreterArgs()
INTERNAL function! Used by rootcling to inject interpreter arguments through a C-interface layer.
Definition: TROOT.cxx:2878
static void SetMacroPath(const char *newpath)
Set or extend the macro search path.
Definition: TROOT.cxx:2734
void InitThreads()
Load and initialize thread library.
Definition: TROOT.cxx:1993
TProcessUUID * fUUIDs
Definition: TROOT.h:166
TString fConfigFeatures
Definition: TROOT.h:112
TFunctionTemplate * GetFunctionTemplate(const char *name)
Definition: TROOT.cxx:1558
TPluginManager * fPluginManager
Definition: TROOT.h:169
TObject * GetGeometry(const char *name) const
Return pointer to Geometry with name.
Definition: TROOT.cxx:1687
void RecursiveRemove(TObject *obj) override
Recursively remove this object from the list of Cleanups.
Definition: TROOT.cxx:2444
Bool_t fExecutingMacro
Definition: TROOT.h:136
Int_t fBuiltDate
Definition: TROOT.h:118
Bool_t fIsWebDisplayBatch
Definition: TROOT.h:129
Longptr_t ProcessLineSync(const char *line, Int_t *error=0)
Process interpreter command via TApplication::ProcessLine().
Definition: TROOT.cxx:2330
TSeqCollection * fMappedFiles
Definition: TROOT.h:147
Int_t GetNtypes() const
Get number of types.
Definition: TROOT.cxx:1824
TFile * GetFile() const override
Definition: TROOT.h:260
static const TString & GetLibDir()
Get the library directory in the installation. Static utility function.
Definition: TROOT.cxx:2926
TSeqCollection * fBrowsers
Definition: TROOT.h:155
TString fDefCanvasName
Definition: TROOT.h:171
TListOfFunctions * fGlobalFunctions
Definition: TROOT.h:144
TList * fBrowsables
Definition: TROOT.h:168
TObject * FindObjectAny(const char *name) const override
Return a pointer to the first object with name starting at //root.
Definition: TROOT.cxx:1377
static Int_t DecreaseDirLevel()
Decrease the indentation level for ls().
Definition: TROOT.cxx:2692
void Reset(Option_t *option="")
Delete all global interpreter objects created since the last call to Reset.
Definition: TROOT.cxx:2597
Int_t fEditorMode
Definition: TROOT.h:137
const char * FindObjectClassName(const char *name) const
Returns class name of a ROOT object including CINT globals.
Definition: TROOT.cxx:1404
static const TString & GetDataDir()
Get the data directory in the installation. Static utility function.
Definition: TROOT.cxx:2967
void SetWebDisplay(const char *webdisplay)
Specify where web graphics shall be rendered.
Definition: TROOT.cxx:2760
Int_t LoadMacro(const char *filename, Int_t *error=0, Bool_t check=kFALSE)
Load a macro in the interpreter's memory.
Definition: TROOT.cxx:2208
Longptr_t Macro(const char *filename, Int_t *error=0, Bool_t padUpdate=kTRUE)
Execute a macro in the interpreter.
Definition: TROOT.cxx:2256
TSeqCollection * GetListOfGeometries() const
Definition: TROOT.h:244
TSeqCollection * GetListOfStyles() const
Definition: TROOT.h:241
TString fVersion
Definition: TROOT.h:113
static Int_t GetDirLevel()
return directory level
Definition: TROOT.cxx:2700
void SetReadingObject(Bool_t flag=kTRUE)
Definition: TROOT.cxx:2411
Sequenceable collection abstract base class.
virtual void AddLast(TObject *obj)=0
virtual TObject * Last() const =0
virtual TObject * First() const =0
void Add(TObject *obj) override
static void PrintStatistics()
Print memory usage statistics.
Definition: TStorage.cxx:406
Basic string class.
Definition: TString.h:136
Ssiz_t Length() const
Definition: TString.h:410
Int_t Atoi() const
Return integer value of string.
Definition: TString.cxx:1951
Bool_t EndsWith(const char *pat, ECaseCompare cmp=kExact) const
Return true if string ends with the specified string.
Definition: TString.cxx:2207
TSubString Strip(EStripType s=kTrailing, char c=' ') const
Return a substring of self stripped at beginning and/or end.
Definition: TString.cxx:1136
const char * Data() const
Definition: TString.h:369
TString & ReplaceAll(const TString &s1, const TString &s2)
Definition: TString.h:692
@ kBoth
Definition: TString.h:267
@ kIgnoreCase
Definition: TString.h:268
Ssiz_t Last(char c) const
Find last occurrence of a character c.
Definition: TString.cxx:921
Bool_t BeginsWith(const char *s, ECaseCompare cmp=kExact) const
Definition: TString.h:615
Bool_t IsNull() const
Definition: TString.h:407
TString & Remove(Ssiz_t pos)
Definition: TString.h:673
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Definition: TString.cxx:2319
Bool_t Contains(const char *pat, ECaseCompare cmp=kExact) const
Definition: TString.h:624
TStyle objects may be created to define special styles.
Definition: TStyle.h:29
static void BuildStyles()
Create some standard styles.
Definition: TStyle.cxx:510
Describes an Operating System directory for the browser.
Abstract base class defining a generic interface to the underlying Operating System.
Definition: TSystem.h:266
virtual Func_t DynFindSymbol(const char *module, const char *entry)
Find specific entry point in specified library.
Definition: TSystem.cxx:2042
virtual const char * Getenv(const char *env)
Get environment variable.
Definition: TSystem.cxx:1663
virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const
This method split a filename of the form:
Definition: TSystem.cxx:4245
virtual char * ConcatFileName(const char *dir, const char *name)
Concatenate a directory and a file name. User must delete returned string.
Definition: TSystem.cxx:1071
virtual void CleanCompiledMacros()
Remove the shared libs produced by the CompileMacro() function.
Definition: TSystem.cxx:4355
virtual int Load(const char *module, const char *entry="", Bool_t system=kFALSE)
Load a shared library.
Definition: TSystem.cxx:1855
int GetPathInfo(const char *path, Long_t *id, Long_t *size, Long_t *flags, Long_t *modtime)
Get info about a file: id, size, flags, modification time.
Definition: TSystem.cxx:1398
virtual const char * PrependPathName(const char *dir, TString &name)
Concatenate a directory and a file name.
Definition: TSystem.cxx:1081
virtual Bool_t AccessPathName(const char *path, EAccessMode mode=kFileExists)
Returns FALSE if one can access a file using the specified access mode.
Definition: TSystem.cxx:1296
virtual Bool_t Init()
Initialize the OS interface.
Definition: TSystem.cxx:182
virtual const char * BaseName(const char *pathname)
Base name of a file name. Base name of /user/root is root.
Definition: TSystem.cxx:935
virtual const char * WorkingDirectory()
Return working directory.
Definition: TSystem.cxx:872
virtual char * Which(const char *search, const char *file, EAccessMode mode=kFileExists)
Find location of file in a search path.
Definition: TSystem.cxx:1546
virtual const char * HomeDirectory(const char *userName=nullptr)
Return the user's home directory.
Definition: TSystem.cxx:888
virtual const char * GetError()
Return system error string.
Definition: TSystem.cxx:253
virtual void ResetSignals()
Reset signals handlers to previous behaviour.
Definition: TSystem.cxx:587
char * DynamicPathName(const char *lib, Bool_t quiet=kFALSE)
Find a dynamic library called lib using the system search paths.
Definition: TSystem.cxx:2018
This class represents a WWW compatible URL.
Definition: TUrl.h:33
This class implements a mutex interface.
Definition: TVirtualMutex.h:32
TVirtualPad is an abstract base class for the Pad and Canvas classes.
Definition: TVirtualPad.h:51
static TVirtualPad *& Pad()
Return the current pad for the current thread.
Definition: TVirtualPad.cxx:27
Semi-Abstract base class defining a generic interface to the underlying, low level,...
Definition: TVirtualX.h:46
static TVirtualX *& Instance()
Returns gVirtualX global.
Definition: TVirtualX.cxx:57
TLine * line
TF1 * f1
Definition: legend1.C:11
const std::string & GetIncludeDir()
\ returns the include directory in the installation.
const std::string & GetRootSys()
const std::string & GetEtcDir()
void(off) SmallVectorTemplateBase< T
static Func_t GetSymInLibImt(const char *funcname)
Definition: TROOT.cxx:393
static GetROOTFun_t gGetROOT
Definition: TROOT.cxx:391
R__EXTERN TROOT * gROOTLocal
Definition: TROOT.h:377
void DisableParBranchProcessing()
Globally disables the IMT use case of parallel branch processing, deactivating the corresponding lock...
Definition: TROOT.cxx:426
std::function< const char *()> ErrorSystemMsgHandlerFunc_t
Retrieves the error string associated with the last system error.
Definition: TError.h:59
static Bool_t & IsImplicitMTEnabledImpl()
Keeps track of the status of ImplicitMT w/o resorting to the load of libImt.
Definition: TROOT.cxx:455
void MinimalErrorHandler(int level, Bool_t abort, const char *location, const char *msg)
A very simple error handler that is usually replaced by the TROOT default error handler.
Definition: TError.cxx:69
TROOT *(* GetROOTFun_t)()
Definition: TROOT.cxx:389
ErrorSystemMsgHandlerFunc_t SetErrorSystemMsgHandler(ErrorSystemMsgHandlerFunc_t h)
Returns the previous system error message handler.
Definition: TError.cxx:59
void EnableParBranchProcessing()
Globally enables the parallel branch processing, which is a case of implicit multi-threading (IMT) in...
Definition: TROOT.cxx:412
Bool_t IsParBranchProcessingEnabled()
Returns true if parallel branch processing is enabled.
Definition: TROOT.cxx:439
TROOT * GetROOT2()
Definition: TROOT.cxx:379
TROOT * GetROOT1()
Definition: TROOT.cxx:372
void ReleaseDefaultErrorHandler()
Destructs resources that are taken by using the default error handler.
void function(const Char_t *name_, T fun, const Char_t *docstring=0)
Definition: RExports.h:167
This file contains a specialised ROOT message handler to test for diagnostic in unit tests.
TString & GetMacroPath()
Definition: TROOT.cxx:468
void EnableImplicitMT(UInt_t numthreads=0)
Enable ROOT's implicit multi-threading for all objects and methods that provide an internal paralleli...
Definition: TROOT.cxx:527
Bool_t IsImplicitMTEnabled()
Returns true if the implicit multi-threading in ROOT is enabled.
Definition: TROOT.cxx:558
UInt_t GetThreadPoolSize()
Returns the size of ROOT's thread pool.
Definition: TROOT.cxx:565
R__EXTERN TVirtualRWMutex * gCoreMutex
void EnableThreadSafety()
Enables the global mutex to make ROOT thread safe/aware.
Definition: TROOT.cxx:493
TROOT * GetROOT()
Definition: TROOT.cxx:464
void DisableImplicitMT()
Disables the implicit multi-threading in ROOT (see EnableImplicitMT).
Definition: TROOT.cxx:544
void GetNormalizedName(std::string &norm_name, std::string_view name)
Return the normalized name.
Definition: TClassEdit.cxx:854
static constexpr double s
static constexpr double mm
Int_t fMode
Definition: TSystem.h:127
TMarker m
Definition: textangle.C:8
TLine l
Definition: textangle.C:4
TArc a
Definition: textangle.C:12
#define sym(otri1, otri2)
Definition: triangle.c:933