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Reference Guide
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1 // @(#)root/base:$Id$
2 // Author: Fons Rademakers 15/09/95
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  *************************************************************************/
12 #ifndef ROOT_TSystem
13 #define ROOT_TSystem
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TSystem //
19 // //
20 // Abstract base class defining a generic interface to the underlying //
21 // Operating System. //
22 // //
23 //////////////////////////////////////////////////////////////////////////
25 #ifndef __CINT__
26 #include <stdio.h>
27 #include <ctype.h>
28 #include <fcntl.h>
29 #ifndef WIN32
30 #include <unistd.h>
31 #endif
32 #endif
34 #include "TNamed.h"
35 #include "TString.h"
36 #include "TInetAddress.h"
37 #include "TTimer.h"
38 #include "ThreadLocalStorage.h"
40 class TSeqCollection;
41 class TFdSet;
42 class TVirtualMutex;
49 };
51 enum ELogOption {
52  kLogPid = 0x01,
53  kLogCons = 0x02
54 };
56 enum ELogLevel {
57  kLogEmerg = 0,
58  kLogAlert = 1,
59  kLogCrit = 2,
60  kLogErr = 3,
63  kLogInfo = 6,
65 };
76 };
78 enum EFpeMask {
79  kNoneMask = 0x00,
80  kInvalid = 0x01, // Invalid argument
81  kDivByZero = 0x02, // Division by zero
82  kOverflow = 0x04, // Overflow
83  kUnderflow = 0x08, // Underflow
84  kInexact = 0x10, // Inexact
85  kDefaultMask = 0x07,
86  kAllMask = 0x1F
87 };
90  kS_IFMT = 0170000, // bitmask for the file type bitfields
91  kS_IFSOCK = 0140000, // socket
92  kS_IFLNK = 0120000, // symbolic link
93  kS_IFOFF = 0110000, // offline file
94  kS_IFREG = 0100000, // regular file
95  kS_IFBLK = 0060000, // block device
96  kS_IFDIR = 0040000, // directory
97  kS_IFCHR = 0020000, // character device
98  kS_IFIFO = 0010000, // fifo
99  kS_ISUID = 0004000, // set UID bit
100  kS_ISGID = 0002000, // set GID bit
101  kS_ISVTX = 0001000, // sticky bit
102  kS_IRWXU = 00700, // mask for file owner permissions
103  kS_IRUSR = 00400, // owner has read permission
104  kS_IWUSR = 00200, // owner has write permission
105  kS_IXUSR = 00100, // owner has execute permission
106  kS_IRWXG = 00070, // mask for group permissions
107  kS_IRGRP = 00040, // group has read permission
108  kS_IWGRP = 00020, // group has write permission
109  kS_IXGRP = 00010, // group has execute permission
110  kS_IRWXO = 00007, // mask for permissions for others (not in group)
111  kS_IROTH = 00004, // others have read permission
112  kS_IWOTH = 00002, // others have write permisson
113  kS_IXOTH = 00001 // others have execute permission
114 };
116 inline Bool_t R_ISDIR(Int_t mode) { return ((mode & kS_IFMT) == kS_IFDIR); }
117 inline Bool_t R_ISCHR(Int_t mode) { return ((mode & kS_IFMT) == kS_IFCHR); }
118 inline Bool_t R_ISBLK(Int_t mode) { return ((mode & kS_IFMT) == kS_IFBLK); }
119 inline Bool_t R_ISREG(Int_t mode) { return ((mode & kS_IFMT) == kS_IFREG); }
120 inline Bool_t R_ISLNK(Int_t mode) { return ((mode & kS_IFMT) == kS_IFLNK); }
121 inline Bool_t R_ISFIFO(Int_t mode) { return ((mode & kS_IFMT) == kS_IFIFO); }
122 inline Bool_t R_ISSOCK(Int_t mode) { return ((mode & kS_IFMT) == kS_IFSOCK); }
123 inline Bool_t R_ISOFF(Int_t mode) { return ((mode & kS_IFMT) == kS_IFOFF); }
125 struct FileStat_t {
126  Long_t fDev; // device id
127  Long_t fIno; // inode
128  Int_t fMode; // protection (combination of EFileModeMask bits)
129  Int_t fUid; // user id of owner
130  Int_t fGid; // group id of owner
131  Long64_t fSize; // total size in bytes
132  Long_t fMtime; // modification date
133  Bool_t fIsLink; // symbolic link
134  TString fUrl; // end point url of file
135  FileStat_t() : fDev(0), fIno(0), fMode(0), fUid(0), fGid(0), fSize(0),
136  fMtime(0), fIsLink(kFALSE), fUrl("") { }
137 };
139 struct UserGroup_t {
140  Int_t fUid; // user id
141  Int_t fGid; // group id
142  TString fUser; // user name
143  TString fGroup; // group name
144  TString fPasswd; // password
145  TString fRealName; // user full name
146  TString fShell; // user preferred shell
147  UserGroup_t() : fUid(0), fGid(0), fUser(), fGroup(), fPasswd(),
148  fRealName (), fShell() { }
149 };
151 struct SysInfo_t {
152  TString fOS; // OS
153  TString fModel; // computer model
154  TString fCpuType; // type of cpu
155  Int_t fCpus; // number of cpus
156  Int_t fCpuSpeed; // cpu speed in MHz
157  Int_t fBusSpeed; // bus speed in MHz
158  Int_t fL2Cache; // level 2 cache size in KB
159  Int_t fPhysRam; // physical RAM in MB
161  fBusSpeed(0), fL2Cache(0), fPhysRam(0) { }
162  virtual ~SysInfo_t() { }
163  ClassDef(SysInfo_t, 1); // System information - OS, CPU, RAM.
164 };
166 struct CpuInfo_t {
167  Float_t fLoad1m; // cpu load average over 1 m
168  Float_t fLoad5m; // cpu load average over 5 m
169  Float_t fLoad15m; // cpu load average over 15 m
170  Float_t fUser; // cpu user load in percentage
171  Float_t fSys; // cpu sys load in percentage
172  Float_t fTotal; // cpu user+sys load in percentage
173  Float_t fIdle; // cpu idle percentage
175  fUser(0), fSys(0), fTotal(0), fIdle(0) { }
176  virtual ~CpuInfo_t() { }
177  ClassDef(CpuInfo_t, 1); // CPU load information.
178 };
180 struct MemInfo_t {
181  Int_t fMemTotal; // total RAM in MB
182  Int_t fMemUsed; // used RAM in MB
183  Int_t fMemFree; // free RAM in MB
184  Int_t fSwapTotal; // total swap in MB
185  Int_t fSwapUsed; // used swap in MB
186  Int_t fSwapFree; // free swap in MB
188  fSwapTotal(0), fSwapUsed(0), fSwapFree(0) { }
189  virtual ~MemInfo_t() { }
190  ClassDef(MemInfo_t, 1); // Memory utilization information.
191 };
193 struct ProcInfo_t {
194  Float_t fCpuUser; // user time used by this process in seconds
195  Float_t fCpuSys; // system time used by this process in seconds
196  Long_t fMemResident; // resident memory used by this process in KB
197  Long_t fMemVirtual; // virtual memory used by this process in KB
199  fMemVirtual(0) { }
200  virtual ~ProcInfo_t();
201  ClassDef(ProcInfo_t, 1);// System resource usage of given process.
202 };
205  TString fFile; // File where the output was redirected
206  TString fStdOutTty; // tty associated with stdout, if any (e.g. from ttyname(...))
207  TString fStdErrTty; // tty associated with stderr, if any (e.g. from ttyname(...))
208  Int_t fStdOutDup; // Duplicated descriptor for stdout
209  Int_t fStdErrDup; // Duplicated descriptor for stderr
210  Int_t fReadOffSet; // Offset where to start reading the file (used by ShowOutput(...))
211  RedirectHandle_t(const char *n = 0) : fFile(n), fStdOutTty(), fStdErrTty(), fStdOutDup(-1),
212  fStdErrDup(-1), fReadOffSet(-1) { }
213  void Reset() { fFile = ""; fStdOutTty = ""; fStdErrTty = "";
214  fStdOutDup = -1; fStdErrDup = -1; fReadOffSet = -1; }
215 };
218  kSendBuffer, // size of send buffer
219  kRecvBuffer, // size of receive buffer
220  kOobInline, // OOB message inline
221  kKeepAlive, // keep socket alive
222  kReuseAddr, // allow reuse of local portion of address 5-tuple
223  kNoDelay, // send without delay
224  kNoBlock, // non-blocking I/O
225  kProcessGroup, // socket process group (used for SIGURG and SIGIO)
226  kAtMark, // are we at out-of-band mark (read only)
227  kBytesToRead // get number of bytes to read, FIONREAD (read only)
228 };
231  kDefault, // default option (= 0)
232  kOob, // send or receive out-of-band data
233  kPeek, // peek at incoming message (receive only)
234  kDontBlock // send/recv as much data as possible without blocking
235 };
237 #ifdef __CINT__
238 typedef void *Func_t;
239 #else
240 typedef void ((*Func_t)());
241 #endif
243 R__EXTERN const char *gRootDir;
244 R__EXTERN const char *gProgName;
245 R__EXTERN const char *gProgPath;
249 //////////////////////////////////////////////////////////////////////////
250 // //
251 // Asynchronous timer used for processing pending GUI and timer events //
252 // every delay ms. Call in a tight computing loop //
253 // TProcessEventTimer::ProcessEvent(). If the timer did timeout this //
254 // call will process the pending events and return kTRUE if the //
255 // TROOT::IsInterrupted() flag is set (can be done by hitting key in //
256 // canvas or selecting canvas menu item View/Interrupt. //
257 // //
258 //////////////////////////////////////////////////////////////////////////
259 class TProcessEventTimer : public TTimer {
260 public:
261  TProcessEventTimer(Long_t delay);
262  Bool_t Notify() { return kTRUE; }
264  ClassDef(TProcessEventTimer,0) // Process pending events at fixed time intervals
265 };
268 class TSystem : public TNamed {
270 public:
273  kFlatBuildDir = BIT(0) // If set and a BuildDir is selected, then do not created subdirectories
274  };
276 protected:
277  TFdSet *fReadmask; //!Files that should be checked for read events
278  TFdSet *fWritemask; //!Files that should be checked for write events
279  TFdSet *fReadready; //!Files with reads waiting
280  TFdSet *fWriteready; //!Files with writes waiting
281  TFdSet *fSignals; //!Signals that were trapped
282  Int_t fNfd; //Number of fd's in masks
283  Int_t fMaxrfd; //Largest fd in read mask
284  Int_t fMaxwfd; //Largest fd in write mask
285  Int_t fSigcnt; //Number of pending signals
286  TString fWdpath; //Working directory
287  TString fHostname; //Hostname
288  Bool_t fInsideNotify; //Used by DispatchTimers()
289  Int_t fBeepFreq; //Used by Beep()
290  Int_t fBeepDuration; //Used by Beep()
292  Bool_t fInControl; //True if in eventloop
293  Bool_t fDone; //True if eventloop should be finished
294  Int_t fLevel; //Level of nested eventloops
296  TSeqCollection *fTimers; //List of timers
297  TSeqCollection *fSignalHandler; //List of signal handlers
298  TSeqCollection *fFileHandler; //List of file handlers
299  TSeqCollection *fStdExceptionHandler; //List of std::exception handlers
300  TSeqCollection *fOnExitList; //List of items to be cleaned-up on exit
302  TString fListLibs; //List shared libraries, cache used by GetLibraries
304  TString fBuildArch; //Architecure for which ROOT was built (passed to ./configure)
305  TString fBuildCompiler; // Compiler used to build this ROOT
306  TString fBuildCompilerVersion; //Compiler version used to build this ROOT
307  TString fBuildNode; //Detailed information where ROOT was built
308  TString fBuildDir; //Location where to build ACLiC shared library and use as scratch area.
309  TString fFlagsDebug; //Flags for debug compilation
310  TString fFlagsOpt; //Flags for optimized compilation
311  TString fListPaths; //List of all include (fIncludePath + interpreter include path). Cache used by GetIncludePath
312  TString fIncludePath; //Used to expand $IncludePath in the directives given to SetMakeSharedLib and SetMakeExe
313  TString fLinkedLibs; //Used to expand $LinkedLibs in the directives given to SetMakeSharedLib and SetMakeExe
314  TString fSoExt; //Extension of shared library (.so, .sl, .a, .dll, etc.)
315  TString fObjExt; //Extension of object files (.o, .obj, etc.)
316  EAclicMode fAclicMode; //Whether the compilation should be done debug or opt
317  TString fMakeSharedLib; //Directive used to build a shared library
318  TString fMakeExe; //Directive used to build an executable
319  TString fLinkdefSuffix; //Default suffix for linkdef files to be used by ACLiC (see EACLiCProperties)
320  Int_t fAclicProperties; //Various boolean flag for change ACLiC's behavior.
321  TSeqCollection *fCompiled; //List of shared libs from compiled macros to be deleted
322  TSeqCollection *fHelpers; //List of helper classes for alternative file/directory access
324  TString &GetLastErrorString(); //Last system error message (thread local).
325  const TString &GetLastErrorString() const; //Last system error message (thread local).
327  TSystem *FindHelper(const char *path, void *dirptr = 0);
328  virtual Bool_t ConsistentWith(const char *path, void *dirptr = 0);
329  virtual const char *ExpandFileName(const char *fname);
330  virtual Bool_t ExpandFileName(TString &fname);
332  virtual const char *GetLinkedLibraries();
333  virtual void DoBeep(Int_t /*freq*/=-1, Int_t /*duration*/=-1) const { printf("\a"); fflush(stdout); }
335  static const char *StripOffProto(const char *path, const char *proto) {
336  return !strncmp(path, proto, strlen(proto)) ? path + strlen(proto) : path;
337  }
339 private:
340  TSystem(const TSystem&); // not implemented
341  TSystem& operator=(const TSystem&); // not implemented
342  Bool_t ExpandFileName(const char *fname, char *xname, const int kBufSize);
344 public:
345  TSystem(const char *name = "Generic", const char *title = "Generic System");
346  virtual ~TSystem();
348  //---- Misc
349  virtual Bool_t Init();
350  virtual void SetProgname(const char *name);
351  virtual void SetDisplay();
352  void SetErrorStr(const char *errstr);
353  const char *GetErrorStr() const { return GetLastErrorString(); }
354  virtual const char *GetError();
355  void RemoveOnExit(TObject *obj);
356  virtual const char *HostName();
357  virtual void NotifyApplicationCreated();
359  static Int_t GetErrno();
360  static void ResetErrno();
361  void Beep(Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE);
362  void GetBeepDefaults(Int_t &freq, Int_t &duration) const { freq = fBeepFreq; duration = fBeepDuration; }
364  //---- EventLoop
365  virtual void Run();
366  virtual Bool_t ProcessEvents();
367  virtual void DispatchOneEvent(Bool_t pendingOnly = kFALSE);
368  virtual void ExitLoop();
369  Bool_t InControl() const { return fInControl; }
370  virtual void InnerLoop();
371  virtual Int_t Select(TList *active, Long_t timeout);
372  virtual Int_t Select(TFileHandler *fh, Long_t timeout);
374  //---- Handling of system events
375  virtual void AddSignalHandler(TSignalHandler *sh);
377  virtual void ResetSignal(ESignals sig, Bool_t reset = kTRUE);
378  virtual void ResetSignals();
379  virtual void IgnoreSignal(ESignals sig, Bool_t ignore = kTRUE);
380  virtual void IgnoreInterrupt(Bool_t ignore = kTRUE);
382  virtual void AddFileHandler(TFileHandler *fh);
384  virtual TSeqCollection *GetListOfFileHandlers() const { return fFileHandler; }
389  //---- Floating Point Exceptions Control
390  virtual Int_t GetFPEMask();
391  virtual Int_t SetFPEMask(Int_t mask = kDefaultMask);
393  //---- Time & Date
394  virtual TTime Now();
395  virtual TSeqCollection *GetListOfTimers() const { return fTimers; }
396  virtual void AddTimer(TTimer *t);
397  virtual TTimer *RemoveTimer(TTimer *t);
398  virtual void ResetTimer(TTimer *) { }
399  virtual Long_t NextTimeOut(Bool_t mode);
400  virtual void Sleep(UInt_t milliSec);
402  //---- Processes
403  virtual Int_t Exec(const char *shellcmd);
404  virtual FILE *OpenPipe(const char *command, const char *mode);
405  virtual int ClosePipe(FILE *pipe);
406  virtual TString GetFromPipe(const char *command);
407  virtual void Exit(int code, Bool_t mode = kTRUE);
408  virtual void Abort(int code = 0);
409  virtual int GetPid();
410  virtual void StackTrace();
412  //---- Directories
413  virtual int MakeDirectory(const char *name);
414  virtual void *OpenDirectory(const char *name);
415  virtual void FreeDirectory(void *dirp);
416  virtual const char *GetDirEntry(void *dirp);
417  virtual void *GetDirPtr() const { return 0; }
418  virtual Bool_t ChangeDirectory(const char *path);
419  virtual const char *WorkingDirectory();
420  virtual std::string GetWorkingDirectory() const;
421  virtual const char *HomeDirectory(const char *userName = 0);
422  virtual std::string GetHomeDirectory(const char *userName = 0) const;
423  virtual int mkdir(const char *name, Bool_t recursive = kFALSE);
424  Bool_t cd(const char *path) { return ChangeDirectory(path); }
425  const char *pwd() { return WorkingDirectory(); }
426  virtual const char *TempDirectory() const;
427  virtual FILE *TempFileName(TString &base, const char *dir = 0);
429  //---- Paths & Files
430  virtual const char *BaseName(const char *pathname);
431  virtual const char *DirName(const char *pathname);
432  virtual char *ConcatFileName(const char *dir, const char *name);
433  virtual Bool_t IsAbsoluteFileName(const char *dir);
434  virtual Bool_t IsFileInIncludePath(const char *name, char **fullpath = 0);
435  virtual const char *PrependPathName(const char *dir, TString& name);
436  virtual Bool_t ExpandPathName(TString &path);
437  virtual char *ExpandPathName(const char *path);
438  virtual Bool_t AccessPathName(const char *path, EAccessMode mode = kFileExists);
439  virtual Bool_t IsPathLocal(const char *path);
440  virtual int CopyFile(const char *from, const char *to, Bool_t overwrite = kFALSE);
441  virtual int Rename(const char *from, const char *to);
442  virtual int Link(const char *from, const char *to);
443  virtual int Symlink(const char *from, const char *to);
444  virtual int Unlink(const char *name);
445  int GetPathInfo(const char *path, Long_t *id, Long_t *size, Long_t *flags, Long_t *modtime);
446  int GetPathInfo(const char *path, Long_t *id, Long64_t *size, Long_t *flags, Long_t *modtime);
447  virtual int GetPathInfo(const char *path, FileStat_t &buf);
448  virtual int GetFsInfo(const char *path, Long_t *id, Long_t *bsize, Long_t *blocks, Long_t *bfree);
449  virtual int Chmod(const char *file, UInt_t mode);
450  virtual int Umask(Int_t mask);
451  virtual int Utime(const char *file, Long_t modtime, Long_t actime);
452  virtual const char *UnixPathName(const char *unixpathname);
453  virtual const char *FindFile(const char *search, TString& file, EAccessMode mode = kFileExists);
454  virtual char *Which(const char *search, const char *file, EAccessMode mode = kFileExists);
455  virtual TList *GetVolumes(Option_t *) const { return 0; }
457  //---- Users & Groups
458  virtual Int_t GetUid(const char *user = 0);
459  virtual Int_t GetGid(const char *group = 0);
460  virtual Int_t GetEffectiveUid();
461  virtual Int_t GetEffectiveGid();
462  virtual UserGroup_t *GetUserInfo(Int_t uid);
463  virtual UserGroup_t *GetUserInfo(const char *user = 0);
464  virtual UserGroup_t *GetGroupInfo(Int_t gid);
465  virtual UserGroup_t *GetGroupInfo(const char *group = 0);
467  //---- Environment Manipulation
468  virtual void Setenv(const char *name, const char *value);
469  virtual void Unsetenv(const char *name);
470  virtual const char *Getenv(const char *env);
472  //---- System Logging
473  virtual void Openlog(const char *name, Int_t options, ELogFacility facility);
474  virtual void Syslog(ELogLevel level, const char *mess);
475  virtual void Closelog();
477  //---- Standard Output redirection
478  virtual Int_t RedirectOutput(const char *name, const char *mode = "a", RedirectHandle_t *h = 0);
479  virtual void ShowOutput(RedirectHandle_t *h);
481  //---- Dynamic Loading
482  virtual void AddDynamicPath(const char *pathname);
483  virtual const char *GetDynamicPath();
484  virtual void SetDynamicPath(const char *pathname);
485  char *DynamicPathName(const char *lib, Bool_t quiet = kFALSE);
486  virtual const char *FindDynamicLibrary(TString& lib, Bool_t quiet = kFALSE);
487  virtual Func_t DynFindSymbol(const char *module, const char *entry);
488  virtual int Load(const char *module, const char *entry = "", Bool_t system = kFALSE);
489  virtual void Unload(const char *module);
490  virtual UInt_t LoadAllLibraries();
491  virtual void ListSymbols(const char *module, const char *re = "");
492  virtual void ListLibraries(const char *regexp = "");
493  virtual const char *GetLibraries(const char *regexp = "",
494  const char *option = "",
495  Bool_t isRegexp = kTRUE);
497  //---- RPC
498  virtual TInetAddress GetHostByName(const char *server);
499  virtual TInetAddress GetPeerName(int sock);
500  virtual TInetAddress GetSockName(int sock);
501  virtual int GetServiceByName(const char *service);
502  virtual char *GetServiceByPort(int port);
503  virtual int OpenConnection(const char *server, int port, int tcpwindowsize = -1, const char *protocol = "tcp");
504  virtual int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize = -1);
505  virtual int AnnounceUdpService(int port, int backlog);
506  virtual int AnnounceUnixService(int port, int backlog);
507  virtual int AnnounceUnixService(const char *sockpath, int backlog);
508  virtual int AcceptConnection(int sock);
509  virtual void CloseConnection(int sock, Bool_t force = kFALSE);
510  virtual int RecvRaw(int sock, void *buffer, int length, int flag);
511  virtual int SendRaw(int sock, const void *buffer, int length, int flag);
512  virtual int RecvBuf(int sock, void *buffer, int length);
513  virtual int SendBuf(int sock, const void *buffer, int length);
514  virtual int SetSockOpt(int sock, int kind, int val);
515  virtual int GetSockOpt(int sock, int kind, int *val);
517  //---- System, CPU and Memory info
518  virtual int GetSysInfo(SysInfo_t *info) const;
519  virtual int GetCpuInfo(CpuInfo_t *info, Int_t sampleTime = 1000) const;
520  virtual int GetMemInfo(MemInfo_t *info) const;
521  virtual int GetProcInfo(ProcInfo_t *info) const;
523  //---- ACLiC (Automatic Compiler of Shared Library for CINT)
524  virtual void AddIncludePath(const char *includePath);
525  virtual void AddLinkedLibs(const char *linkedLib);
526  virtual int CompileMacro(const char *filename, Option_t *opt="", const char* library_name = "", const char* build_dir = "", UInt_t dirmode = 0);
527  virtual Int_t GetAclicProperties() const;
528  virtual const char *GetBuildArch() const;
529  virtual const char *GetBuildCompiler() const;
530  virtual const char *GetBuildCompilerVersion() const;
531  virtual const char *GetBuildNode() const;
532  virtual const char *GetBuildDir() const;
533  virtual const char *GetFlagsDebug() const;
534  virtual const char *GetFlagsOpt() const;
535  virtual const char *GetIncludePath();
536  virtual const char *GetLinkedLibs() const;
537  virtual const char *GetLinkdefSuffix() const;
538  virtual EAclicMode GetAclicMode() const;
539  virtual const char *GetMakeExe() const;
540  virtual const char *GetMakeSharedLib() const;
541  virtual const char *GetSoExt() const;
542  virtual const char *GetObjExt() const;
543  virtual void SetBuildDir(const char* build_dir, Bool_t isflat = kFALSE);
544  virtual void SetFlagsDebug(const char *);
545  virtual void SetFlagsOpt(const char *);
546  virtual void SetIncludePath(const char *includePath);
547  virtual void SetMakeExe(const char *directives);
548  virtual void SetAclicMode(EAclicMode mode);
549  virtual void SetMakeSharedLib(const char *directives);
550  virtual void SetLinkedLibs(const char *linkedLibs);
551  virtual void SetLinkdefSuffix(const char *suffix);
552  virtual void SetSoExt(const char *soExt);
553  virtual void SetObjExt(const char *objExt);
554  virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const;
555  virtual void CleanCompiledMacros();
557  ClassDef(TSystem,0) //ABC defining a generic interface to the OS
558 };
561 R__EXTERN TFileHandler *gXDisplay; // Display server (X11) input event handler
564 #endif
Bool_t R_ISSOCK(Int_t mode)
Definition: TSystem.h:122
Int_t fMemFree
Definition: TSystem.h:183
Int_t fGid
Definition: TSystem.h:141
virtual const char * BaseName(const char *pathname)
Base name of a file name. Base name of /user/root is root.
Definition: TSystem.cxx:934
TString fStdErrTty
Definition: TSystem.h:207
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:1279
TSeqCollection * fCompiled
Definition: TSystem.h:321
Float_t fLoad15m
Definition: TSystem.h:169
TString fBuildCompiler
Definition: TSystem.h:305
virtual Bool_t IsAbsoluteFileName(const char *dir)
Return true if dir is an absolute pathname.
Definition: TSystem.cxx:951
Bool_t fDone
Definition: TSystem.h:293
virtual int GetPid()
Get process id.
Definition: TSystem.cxx:717
Definition: TSystem.h:174
Definition: TSystem.h:217
virtual int GetCpuInfo(CpuInfo_t *info, Int_t sampleTime=1000) const
Returns cpu load average and load info into the CpuInfo_t structure.
Definition: TSystem.cxx:2505
Definition: TSystem.h:232
Bool_t R_ISCHR(Int_t mode)
Definition: TSystem.h:117
virtual Bool_t ProcessEvents()
Process pending events (GUI, timers, sockets).
Definition: TSystem.cxx:426
virtual void Syslog(ELogLevel level, const char *mess)
Send mess to syslog daemon.
Definition: TSystem.cxx:1666
virtual const char * GetFlagsOpt() const
Return the optimization flags.
Definition: TSystem.cxx:3902
Bool_t R_ISLNK(Int_t mode)
Definition: TSystem.h:120
virtual const char * GetBuildCompilerVersion() const
Return the build compiler version.
Definition: TSystem.cxx:3866
virtual Bool_t IsPathLocal(const char *path)
Returns TRUE if the url in &#39;path&#39; points to the local file system.
Definition: TSystem.cxx:1288
Bool_t ProcessEvents()
Process events if timer did time out.
Definition: TSystem.cxx:87
long long Long64_t
Definition: RtypesCore.h:69
Int_t fBusSpeed
Definition: TSystem.h:157
Int_t fPhysRam
Definition: TSystem.h:159
Int_t fSigcnt
Definition: TSystem.h:285
Int_t fReadOffSet
Definition: TSystem.h:210
virtual const char * WorkingDirectory()
Return working directory.
Definition: TSystem.cxx:871
virtual void StackTrace()
Print a stack trace.
Definition: TSystem.cxx:742
Definition: TSystem.h:271
Float_t fSys
Definition: TSystem.h:171
virtual void SigAlarmInterruptsSyscalls(Bool_t)
Definition: TSystem.h:331
virtual void SetFlagsDebug(const char *)
FlagsDebug should contain the options to pass to the C++ compiler in order to compile the library in ...
Definition: TSystem.cxx:4009
virtual void NotifyApplicationCreated()
Hook to tell TSystem that the TApplication object has been created.
Definition: TSystem.cxx:321
R__EXTERN TVirtualMutex * gSystemMutex
Definition: TSystem.h:246
virtual TSeqCollection * GetListOfFileHandlers() const
Definition: TSystem.h:384
float Float_t
Definition: RtypesCore.h:53
virtual const char * GetLinkedLibs() const
Return the list of library linked to this executable.
Definition: TSystem.cxx:3951
Int_t fLevel
Definition: TSystem.h:294
const char Option_t
Definition: RtypesCore.h:62
virtual int Link(const char *from, const char *to)
Create a link from file1 to file2.
Definition: TSystem.cxx:1342
Int_t fBeepFreq
Definition: TSystem.h:289
virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const
This method split a filename of the form: ~~~ {.cpp} [path/]macro.C[+|++[k|f|g|O|c|s|d|v|-]][(args)]...
Definition: TSystem.cxx:4209
virtual void SetFlagsOpt(const char *)
FlagsOpt should contain the options to pass to the C++ compiler in order to compile the library in op...
Definition: TSystem.cxx:4018
virtual const char * GetLinkedLibraries()
Get list of shared libraries loaded at the start of the executable.
Definition: TSystem.cxx:2121
TSeqCollection * fOnExitList
Definition: TSystem.h:300
void RemoveOnExit(TObject *obj)
Objects that should be deleted on exit of the OS interface.
Definition: TSystem.cxx:302
virtual Int_t SetFPEMask(Int_t mask=kDefaultMask)
Set which conditions trigger a floating point exception.
Definition: TSystem.cxx:652
TString fOS
Definition: TSystem.h:152
Int_t fUid
Definition: TSystem.h:129
virtual const char * GetBuildNode() const
Return the build node name.
Definition: TSystem.cxx:3874
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:1381
TString fBuildCompilerVersion
Definition: TSystem.h:306
#define BIT(n)
Definition: Rtypes.h:83
TString fStdOutTty
Definition: TSystem.h:206
virtual TString GetFromPipe(const char *command)
Execute command and return output in TString.
Definition: TSystem.cxx:690
TString fBuildNode
Definition: TSystem.h:307
TString fGroup
Definition: TSystem.h:143
virtual void * GetDirPtr() const
Definition: TSystem.h:417
This class represents an Internet Protocol (IP) address.
Definition: TInetAddress.h:36
virtual int MakeDirectory(const char *name)
Make a directory.
Definition: TSystem.cxx:827
virtual void AddSignalHandler(TSignalHandler *sh)
Add a signal handler to list of system signal handlers.
Definition: TSystem.cxx:542
virtual const char * HomeDirectory(const char *userName=0)
Return the user&#39;s home directory.
Definition: TSystem.cxx:887
TString fWdpath
Definition: TSystem.h:286
virtual void CloseConnection(int sock, Bool_t force=kFALSE)
Close socket connection.
Definition: TSystem.cxx:2426
This class implements a mutex interface.
Definition: TVirtualMutex.h:34
virtual Bool_t ChangeDirectory(const char *path)
Change directory.
Definition: TSystem.cxx:862
Int_t fStdOutDup
Definition: TSystem.h:208
virtual UserGroup_t * GetGroupInfo(Int_t gid)
Returns all group info in the UserGroup_t structure.
Definition: TSystem.cxx:1605
virtual int GetFsInfo(const char *path, Long_t *id, Long_t *bsize, Long_t *blocks, Long_t *bfree)
Get info about a file system: fs type, block size, number of blocks, number of free blocks...
Definition: TSystem.cxx:1455
Definition: TSystem.h:78
virtual void SetMakeExe(const char *directives)
Directives has the same syntax as the argument of SetMakeSharedLib but is used to create an executabl...
Definition: TSystem.cxx:4046
Bool_t cd(const char *path)
Definition: TSystem.h:424
virtual int Load(const char *module, const char *entry="", Bool_t system=kFALSE)
Load a shared library.
Definition: TSystem.cxx:1836
virtual void AddStdExceptionHandler(TStdExceptionHandler *eh)
Add an exception handler to list of system exception handlers.
Definition: TSystem.cxx:621
Basic string class.
Definition: TString.h:131
TSeqCollection * fSignalHandler
Definition: TSystem.h:297
TString fBuildArch
Definition: TSystem.h:304
virtual void ResetSignal(ESignals sig, Bool_t reset=kTRUE)
If reset is true reset the signal handler for the specified signal to the default handler...
Definition: TSystem.cxx:586
virtual int GetMemInfo(MemInfo_t *info) const
Returns ram and swap memory usage info into the MemInfo_t structure.
Definition: TSystem.cxx:2515
int Int_t
Definition: RtypesCore.h:41
virtual const char * DirName(const char *pathname)
Return the directory name in pathname.
Definition: TSystem.cxx:1006
bool Bool_t
Definition: RtypesCore.h:59
virtual TTimer * RemoveTimer(TTimer *t)
Remove timer from list of system timers.
Definition: TSystem.cxx:491
virtual const char * GetSoExt() const
Get the shared library extension.
Definition: TSystem.cxx:3972
virtual char * Which(const char *search, const char *file, EAccessMode mode=kFileExists)
Find location of file in a search path.
Definition: TSystem.cxx:1529
Long_t fMtime
Definition: TSystem.h:132
virtual void SetMakeSharedLib(const char *directives)
Directives should contain the description on how to compile and link a shared lib.
Definition: TSystem.cxx:4098
virtual int AnnounceUdpService(int port, int backlog)
Announce UDP service.
Definition: TSystem.cxx:2390
virtual FILE * OpenPipe(const char *command, const char *mode)
Open a pipe.
Definition: TSystem.cxx:672
virtual const char * GetFlagsDebug() const
Return the debug flags.
Definition: TSystem.cxx:3894
virtual TSeqCollection * GetListOfTimers() const
Definition: TSystem.h:395
virtual void ResetSignals()
Reset signals handlers to previous behaviour.
Definition: TSystem.cxx:594
virtual void IgnoreInterrupt(Bool_t ignore=kTRUE)
If ignore is true ignore the interrupt signal, else restore previous behaviour.
Definition: TSystem.cxx:612
Basic time type with millisecond precision.
Definition: TTime.h:27
TString fModel
Definition: TSystem.h:153
Bool_t fInsideNotify
Definition: TSystem.h:288
Long64_t fSize
Definition: TSystem.h:131
virtual TInetAddress GetPeerName(int sock)
Get Internet Protocol (IP) address of remote host and port #.
Definition: TSystem.cxx:2336
Int_t fUid
Definition: TSystem.h:140
virtual int SendRaw(int sock, const void *buffer, int length, int flag)
Send exactly length bytes from buffer.
Definition: TSystem.cxx:2445
virtual TFileHandler * RemoveFileHandler(TFileHandler *fh)
Remove a file handler from the list of file handlers.
Definition: TSystem.cxx:574
Bool_t R_ISREG(Int_t mode)
Definition: TSystem.h:119
virtual char * GetServiceByPort(int port)
Get name of internet service.
Definition: TSystem.cxx:2363
virtual int mkdir(const char *name, Bool_t recursive=kFALSE)
Make a file system directory.
Definition: TSystem.cxx:906
TSystem & operator=(const TSystem &)
virtual const char * FindFile(const char *search, TString &file, EAccessMode mode=kFileExists)
Find location of file in a search path.
Definition: TSystem.cxx:1519
virtual const char * UnixPathName(const char *unixpathname)
Convert from a local pathname to a Unix pathname.
Definition: TSystem.cxx:1046
static Int_t GetErrno()
Static function returning system error number.
Definition: TSystem.cxx:270
Int_t fMode
Definition: TSystem.h:128
TSeqCollection * fStdExceptionHandler
Definition: TSystem.h:299
virtual int Rename(const char *from, const char *to)
Rename a file.
Definition: TSystem.cxx:1333
TString fHostname
Definition: TSystem.h:287
virtual const char * GetLinkdefSuffix() const
Return the linkdef suffix chosen by the user for ACLiC.
Definition: TSystem.cxx:3960
virtual const char * GetDirEntry(void *dirp)
Get a directory entry. Returns 0 if no more entries.
Definition: TSystem.cxx:853
virtual int Unlink(const char *name)
Unlink, i.e.
Definition: TSystem.cxx:1364
virtual std::string GetHomeDirectory(const char *userName=0) const
Return the user&#39;s home directory.
Definition: TSystem.cxx:895
Sequenceable collection abstract base class.
#define ClassDef(name, id)
Definition: Rtypes.h:326
virtual int GetSysInfo(SysInfo_t *info) const
Returns static system info, like OS type, CPU type, number of CPUs RAM size, etc into the SysInfo_t s...
Definition: TSystem.cxx:2494
virtual FILE * TempFileName(TString &base, const char *dir=0)
Create a secure temporary file by appending a unique 6 letter string to base.
Definition: TSystem.cxx:1480
virtual void Sleep(UInt_t milliSec)
Sleep milliSec milli seconds.
Definition: TSystem.cxx:447
Float_t fUser
Definition: TSystem.h:170
const char * GetErrorStr() const
Definition: TSystem.h:353
Int_t fSwapFree
Definition: TSystem.h:186
TString fBuildDir
Definition: TSystem.h:308
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
Int_t fMaxrfd
Definition: TSystem.h:283
TSeqCollection * fHelpers
Definition: TSystem.h:322
TString fListPaths
Definition: TSystem.h:311
TString fLinkedLibs
Definition: TSystem.h:313
R__EXTERN TFileHandler * gXDisplay
Definition: TSystem.h:561
Int_t fNfd
Signals that were trapped.
Definition: TSystem.h:282
TString fShell
Definition: TSystem.h:146
virtual const char * GetDynamicPath()
Return the dynamic path (used to find shared libraries).
Definition: TSystem.cxx:1775
TString fRealName
Definition: TSystem.h:145
virtual int CompileMacro(const char *filename, Option_t *opt="", const char *library_name="", const char *build_dir="", UInt_t dirmode=0)
This method compiles and loads a shared library containing the code from the file "filename"...
Definition: TSystem.cxx:2866
Definition: TSystem.h:272
virtual const char * Getenv(const char *env)
Get environment variable.
Definition: TSystem.cxx:1645
TString fUrl
Definition: TSystem.h:134
virtual void ListLibraries(const char *regexp="")
List all loaded shared libraries.
Definition: TSystem.cxx:2066
virtual const char * GetMakeExe() const
Return the command line use to make an executable.
Definition: TSystem.cxx:3932
virtual void SetDisplay()
Set DISPLAY environment variable based on utmp entry. Only for UNIX.
Definition: TSystem.cxx:241
virtual const char * PrependPathName(const char *dir, TString &name)
Concatenate a directory and a file name.
Definition: TSystem.cxx:1064
virtual EAclicMode GetAclicMode() const
AclicMode indicates whether the library should be built in debug mode or optimized.
Definition: TSystem.cxx:3914
virtual void ExitLoop()
Exit from event loop.
Definition: TSystem.cxx:402
virtual UserGroup_t * GetUserInfo(Int_t uid)
Returns all user info in the UserGroup_t structure.
Definition: TSystem.cxx:1581
virtual int RecvRaw(int sock, void *buffer, int length, int flag)
Receive exactly length bytes into buffer.
Definition: TSystem.cxx:2435
virtual ~TSystem()
Delete the OS interface.
Definition: TSystem.cxx:148
virtual void Unload(const char *module)
Unload a shared library.
Definition: TSystem.cxx:2045
virtual const char * TempDirectory() const
Return a user configured or systemwide directory to create temporary files in.
Definition: TSystem.cxx:1465
Definition: TSystem.h:89
virtual Bool_t ConsistentWith(const char *path, void *dirptr=0)
Check consistency of this helper with the one required by &#39;path&#39; or &#39;dirptr&#39;.
Definition: TSystem.cxx:804
virtual TInetAddress GetHostByName(const char *server)
Get Internet Protocol (IP) address of host.
Definition: TSystem.cxx:2327
Definition: TSystem.h:147
Int_t fGid
Definition: TSystem.h:130
Definition: TSystem.h:56
virtual void Closelog()
Close connection to system log daemon.
Definition: TSystem.cxx:1674
virtual const char * GetBuildCompiler() const
Return the build compiler.
Definition: TSystem.cxx:3858
Definition: TSystem.h:51
TSeqCollection * fFileHandler
Definition: TSystem.h:298
TString fLinkdefSuffix
Definition: TSystem.h:319
Definition: TSystem.h:230
A doubly linked list.
Definition: TList.h:44
Float_t fLoad1m
Definition: TSystem.h:167
TString & GetLastErrorString()
Return the thread local storage for the custom last error message.
Definition: TSystem.cxx:2103
const char * pwd()
Definition: TSystem.h:425
Int_t fL2Cache
Definition: TSystem.h:158
virtual UInt_t LoadAllLibraries()
Load all libraries known to ROOT via the rootmap system.
Definition: TSystem.cxx:1963
R__EXTERN const char * gProgName
Definition: TSystem.h:244
Float_t fCpuUser
Definition: TSystem.h:194
virtual void AddDynamicPath(const char *pathname)
Add a new directory to the dynamic path.
Definition: TSystem.cxx:1767
TString fUser
Definition: TSystem.h:142
virtual const char * GetBuildArch() const
Return the build architecture.
Definition: TSystem.cxx:3850
virtual TTime Now()
Get current time in milliseconds since 0:00 Jan 1 1995.
Definition: TSystem.cxx:473
virtual void Setenv(const char *name, const char *value)
Set environment variable.
Definition: TSystem.cxx:1629
virtual TStdExceptionHandler * RemoveStdExceptionHandler(TStdExceptionHandler *eh)
Remove an exception handler from list of exception handlers.
Definition: TSystem.cxx:631
Int_t fCpus
Definition: TSystem.h:155
virtual Bool_t Init()
Initialize the OS interface.
Definition: TSystem.cxx:192
Bool_t fIsLink
Definition: TSystem.h:133
R__EXTERN TSystem * gSystem
Definition: TSystem.h:560
virtual const char * GetLibraries(const char *regexp="", const char *option="", Bool_t isRegexp=kTRUE)
Return a space separated list of loaded shared libraries.
Definition: TSystem.cxx:2139
virtual ~ProcInfo_t()
Definition: TSystem.cxx:70
virtual int AcceptConnection(int sock)
Accept a connection.
Definition: TSystem.cxx:2417
Int_t fSwapUsed
Definition: TSystem.h:185
Long_t fMemVirtual
Definition: TSystem.h:197
virtual void SetDynamicPath(const char *pathname)
Set the dynamic path to a new value.
Definition: TSystem.cxx:1786
void GetBeepDefaults(Int_t &freq, Int_t &duration) const
Definition: TSystem.h:362
virtual int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize=-1)
Announce TCP/IP service.
Definition: TSystem.cxx:2381
virtual const char * GetBuildDir() const
Return the path of the build directory.
Definition: TSystem.cxx:3882
virtual Long_t NextTimeOut(Bool_t mode)
Time when next timer of mode (synchronous=kTRUE or asynchronous=kFALSE) will time-out (in ms)...
Definition: TSystem.cxx:504
unsigned int UInt_t
Definition: RtypesCore.h:42
virtual int Umask(Int_t mask)
Set the process file creation mode mask.
Definition: TSystem.cxx:1498
static const char * StripOffProto(const char *path, const char *proto)
Definition: TSystem.h:335
virtual void SetBuildDir(const char *build_dir, Bool_t isflat=kFALSE)
Set the location where ACLiC will create libraries and use as a scratch area.
Definition: TSystem.cxx:3998
virtual Int_t GetAclicProperties() const
Return the ACLiC properties field.
Definition: TSystem.cxx:3842
virtual int SendBuf(int sock, const void *buffer, int length)
Send a buffer headed by a length indicator.
Definition: TSystem.cxx:2463
virtual TSeqCollection * GetListOfSignalHandlers() const
Definition: TSystem.h:381
Handles synchronous and a-synchronous timer events.
Definition: TTimer.h:51
Float_t fLoad5m
Definition: TSystem.h:168
virtual void ListSymbols(const char *module, const char *re="")
List symbols in a shared library.
Definition: TSystem.cxx:2057
virtual Int_t Exec(const char *shellcmd)
Execute a command.
Definition: TSystem.cxx:663
TString fMakeExe
Definition: TSystem.h:318
RedirectHandle_t(const char *n=0)
Definition: TSystem.h:211
virtual int Utime(const char *file, Long_t modtime, Long_t actime)
Set the a files modification and access times.
Definition: TSystem.cxx:1508
virtual TSeqCollection * GetListOfStdExceptionHandlers() const
Definition: TSystem.h:387
virtual void Abort(int code=0)
Abort the application.
Definition: TSystem.cxx:734
virtual void InnerLoop()
Inner event loop.
Definition: TSystem.cxx:410
virtual const char * GetMakeSharedLib() const
Return the command line use to make a shared library.
Definition: TSystem.cxx:3923
virtual void SetSoExt(const char *soExt)
Set shared library extension, should be either .so, .sl, .a, .dll, etc.
Definition: TSystem.cxx:4187
TString fListLibs
Definition: TSystem.h:302
virtual ~MemInfo_t()
Definition: TSystem.h:189
virtual void Unsetenv(const char *name)
Unset environment variable.
Definition: TSystem.cxx:1637
Int_t fAclicProperties
Definition: TSystem.h:320
virtual void ResetTimer(TTimer *)
Definition: TSystem.h:398
virtual void FreeDirectory(void *dirp)
Free a directory.
Definition: TSystem.cxx:845
virtual int ClosePipe(FILE *pipe)
Close the pipe.
Definition: TSystem.cxx:681
virtual void Run()
System event loop.
Definition: TSystem.cxx:353
#define h(i)
Definition: RSha256.hxx:106
virtual int OpenConnection(const char *server, int port, int tcpwindowsize=-1, const char *protocol="tcp")
Open a connection to another host.
Definition: TSystem.cxx:2372
const Bool_t kFALSE
Definition: RtypesCore.h:88
virtual int SetSockOpt(int sock, int kind, int val)
Set socket option.
Definition: TSystem.cxx:2472
virtual Int_t Select(TList *active, Long_t timeout)
Select on active file descriptors (called by TMonitor).
Definition: TSystem.cxx:455
virtual const char * FindDynamicLibrary(TString &lib, Bool_t quiet=kFALSE)
Find a dynamic library using the system search paths.
Definition: TSystem.cxx:2027
virtual Int_t RedirectOutput(const char *name, const char *mode="a", RedirectHandle_t *h=0)
Redirect standard output (stdout, stderr) to the specified file.
Definition: TSystem.cxx:1695
long Long_t
Definition: RtypesCore.h:50
virtual int Chmod(const char *file, UInt_t mode)
Set the file permission bits. Returns -1 in case or error, 0 otherwise.
Definition: TSystem.cxx:1489
TString fPasswd
Definition: TSystem.h:144
virtual TSignalHandler * RemoveSignalHandler(TSignalHandler *sh)
Remove a signal handler from list of signal handlers.
Definition: TSystem.cxx:552
EAclicMode fAclicMode
Definition: TSystem.h:316
virtual Int_t GetEffectiveUid()
Returns the effective user id.
Definition: TSystem.cxx:1552
virtual const char * GetIncludePath()
Get the list of include path.
Definition: TSystem.cxx:3940
TFdSet * fReadready
Files that should be checked for write events.
Definition: TSystem.h:279
R__EXTERN const char * gProgPath
Definition: TSystem.h:245
Definition: TSystem.h:135
Definition: TSystem.h:198
Float_t fCpuSys
Definition: TSystem.h:195
Definition: TSystem.h:160
virtual Func_t DynFindSymbol(const char *module, const char *entry)
Find specific entry point in specified library.
Definition: TSystem.cxx:2037
virtual const char * HostName()
Return the system&#39;s host name.
Definition: TSystem.cxx:313
virtual int Symlink(const char *from, const char *to)
Create a symbolic link from file1 to file2.
Definition: TSystem.cxx:1351
TFdSet * fReadmask
Definition: TSystem.h:277
char * DynamicPathName(const char *lib, Bool_t quiet=kFALSE)
Find a dynamic library called lib using the system search paths.
Definition: TSystem.cxx:2013
Definition: TSystem.h:67
virtual const char * ExpandFileName(const char *fname)
Expand a pathname getting rid of special shell characters like ~.
Definition: TSystem.cxx:1081
TString fCpuType
Definition: TSystem.h:154
TString fObjExt
Definition: TSystem.h:315
virtual void SetProgname(const char *name)
Set the application name (from command line, argv[0]) and copy it in gProgName.
Definition: TSystem.cxx:233
TFdSet * fSignals
Files with writes waiting.
Definition: TSystem.h:281
virtual Int_t GetGid(const char *group=0)
Returns the group&#39;s id. If group = 0, returns current user&#39;s group.
Definition: TSystem.cxx:1561
void Beep(Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE)
Beep for duration milliseconds with a tone of frequency freq.
Definition: TSystem.cxx:334
virtual void DispatchOneEvent(Bool_t pendingOnly=kFALSE)
Dispatch a single event.
Definition: TSystem.cxx:439
virtual void CleanCompiledMacros()
Remove the shared libs produced by the CompileMacro() function.
Definition: TSystem.cxx:4319
virtual TInetAddress GetSockName(int sock)
Get Internet Protocol (IP) address of host and port #.
Definition: TSystem.cxx:2345
virtual Int_t GetUid(const char *user=0)
Returns the user&#39;s id. If user = 0, returns current user&#39;s id.
Definition: TSystem.cxx:1542
Definition: TSystem.h:44
Definition: TSystem.h:233
virtual void AddLinkedLibs(const char *linkedLib)
Add linkedLib to already set linked libs.
Definition: TSystem.cxx:4121
void Reset()
Definition: TSystem.h:213
virtual void SetAclicMode(EAclicMode mode)
AclicMode indicates whether the library should be built in debug mode or optimized.
Definition: TSystem.cxx:4030
Int_t fMemTotal
Definition: TSystem.h:181
Mother of all ROOT objects.
Definition: TObject.h:37
virtual void DoBeep(Int_t=-1, Int_t=-1) const
Definition: TSystem.h:333
virtual void SetObjExt(const char *objExt)
Set object files extension, should be either .o, .obj, etc.
Definition: TSystem.cxx:4195
virtual Bool_t IsFileInIncludePath(const char *name, char **fullpath=0)
Return true if &#39;name&#39; is a file that can be found in the ROOT include path or the current directory...
Definition: TSystem.cxx:966
#define R__EXTERN
Definition: DllImport.h:27
typedef void((*Func_t)())
Int_t fMaxwfd
Definition: TSystem.h:284
TSystem(const TSystem &)
TSeqCollection * fTimers
Definition: TSystem.h:296
virtual int RecvBuf(int sock, void *buffer, int length)
Receive a buffer headed by a length indicator.
Definition: TSystem.cxx:2454
virtual void Openlog(const char *name, Int_t options, ELogFacility facility)
Open connection to system log daemon.
Definition: TSystem.cxx:1657
Bool_t R_ISDIR(Int_t mode)
Definition: TSystem.h:116
virtual int GetServiceByName(const char *service)
Get port # of internet service.
Definition: TSystem.cxx:2354
virtual int AnnounceUnixService(int port, int backlog)
Announce unix domain service.
Definition: TSystem.cxx:2399
virtual void AddTimer(TTimer *t)
Add timer to list of system timers.
Definition: TSystem.cxx:481
virtual void ShowOutput(RedirectHandle_t *h)
Display the content associated with the redirection described by the opaque handle &#39;h&#39;...
Definition: TSystem.cxx:1705
Definition: file.py:1
Bool_t fInControl
Definition: TSystem.h:292
virtual void SetLinkedLibs(const char *linkedLibs)
LinkedLibs should contain the library directory and list of libraries needed to recreate the current ...
Definition: TSystem.cxx:4156
R__EXTERN const char * gRootDir
Definition: TSystem.h:243
virtual Int_t GetEffectiveGid()
Returns the effective group id.
Definition: TSystem.cxx:1571
virtual void Exit(int code, Bool_t mode=kTRUE)
Exit the application.
Definition: TSystem.cxx:726
TString fFlagsDebug
Definition: TSystem.h:309
Int_t fMemUsed
Definition: TSystem.h:182
virtual std::string GetWorkingDirectory() const
Return working directory.
Definition: TSystem.cxx:879
virtual int GetProcInfo(ProcInfo_t *info) const
Returns cpu and memory used by this process into the ProcInfo_t structure.
Definition: TSystem.cxx:2525
Int_t fCpuSpeed
Definition: TSystem.h:156
virtual TList * GetVolumes(Option_t *) const
Definition: TSystem.h:455
Long_t fIno
Definition: TSystem.h:127
TString fFlagsOpt
Definition: TSystem.h:310
Bool_t R_ISBLK(Int_t mode)
Definition: TSystem.h:118
virtual int CopyFile(const char *from, const char *to, Bool_t overwrite=kFALSE)
Copy a file.
Definition: TSystem.cxx:1324
virtual void * OpenDirectory(const char *name)
Open a directory. Returns 0 if directory does not exist.
Definition: TSystem.cxx:836
const char * proto
Definition: civetweb.c:16604
virtual void AddIncludePath(const char *includePath)
Add includePath to the already set include path.
Definition: TSystem.cxx:4110
TSystem * FindHelper(const char *path, void *dirptr=0)
Create helper TSystem to handle file and directory operations that might be special for remote file a...
Definition: TSystem.cxx:754
virtual void AddFileHandler(TFileHandler *fh)
Add a file handler to the list of system file handlers.
Definition: TSystem.cxx:564
static void ResetErrno()
Static function resetting system error number.
Definition: TSystem.cxx:286
Float_t fTotal
Definition: TSystem.h:172
virtual Bool_t ExpandPathName(TString &path)
Expand a pathname getting rid of special shell characters like ~.
Definition: TSystem.cxx:1257
TString fMakeSharedLib
Definition: TSystem.h:317
Int_t fBeepDuration
Definition: TSystem.h:290
TFdSet * fWriteready
Files with reads waiting.
Definition: TSystem.h:280
Int_t fSwapTotal
Definition: TSystem.h:184
void SetErrorStr(const char *errstr)
Set the system error string.
Definition: TSystem.cxx:251
Long_t fDev
Definition: TSystem.h:126
TString fSoExt
Definition: TSystem.h:314
virtual int GetSockOpt(int sock, int kind, int *val)
Get socket option.
Definition: TSystem.cxx:2481
Abstract base class defining a generic interface to the underlying Operating System.
Definition: TSystem.h:268
Int_t fStdErrDup
Definition: TSystem.h:209
Bool_t R_ISFIFO(Int_t mode)
Definition: TSystem.h:121
virtual void SetLinkdefSuffix(const char *suffix)
The &#39;suffix&#39; will be appended to the name of a script loaded by ACLiC and used to locate any eventual...
Definition: TSystem.cxx:4178
virtual Int_t GetFPEMask()
Return the bitmap of conditions that trigger a floating point exception.
Definition: TSystem.cxx:642
TFdSet * fWritemask
Files that should be checked for read events.
Definition: TSystem.h:278
const Bool_t kTRUE
Definition: RtypesCore.h:87
virtual char * ConcatFileName(const char *dir, const char *name)
Concatenate a directory and a file name. User must delete returned string.
Definition: TSystem.cxx:1054
Bool_t Notify()
Notify when timer times out.
Definition: TSystem.h:262
Definition: TSystem.h:187
Float_t fIdle
Definition: TSystem.h:173
const Int_t n
Definition: legend1.C:16
TString fFile
Definition: TSystem.h:205
virtual const char * GetObjExt() const
Get the object file extension.
Definition: TSystem.cxx:3980
TString fIncludePath
Definition: TSystem.h:312
virtual const char * GetError()
Return system error string.
Definition: TSystem.cxx:260
char name[80]
Definition: TGX11.cxx:109
Long_t fMemResident
Definition: TSystem.h:196
virtual void SetIncludePath(const char *includePath)
IncludePath should contain the list of compiler flags to indicate where to find user defined header f...
Definition: TSystem.cxx:4145
virtual ~SysInfo_t()
Definition: TSystem.h:162
Bool_t InControl() const
Definition: TSystem.h:369
virtual ~CpuInfo_t()
Definition: TSystem.h:176
TProcessEventTimer(Long_t delay)
Create async event processor timer. Delay is in milliseconds.
Definition: TSystem.cxx:76
Bool_t R_ISOFF(Int_t mode)
Definition: TSystem.h:123
virtual void IgnoreSignal(ESignals sig, Bool_t ignore=kTRUE)
If ignore is true ignore the specified signal, else restore previous behaviour.
Definition: TSystem.cxx:603