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TWinNTSystem.h
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1 // @(#)root/winnt:$Id$
2 // Author: Fons Rademakers 15/09/95
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 
13 #ifndef ROOT_TWinNTSystem
14 #define ROOT_TWinNTSystem
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TWinNTSystem //
19 // //
20 // Class providing an interface to the Windows NT Operating System. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 #include "TSystem.h"
25 
26 
27 #if !defined(__CINT__)
28  #include "Windows4Root.h"
29  #include <commctrl.h>
30 #else
31  typedef void* HANDLE;
32  struct WIN32_FIND_DATA;
33  typedef void* HIMAGELIST;
34  typedef void* HICON;
35  typedef UChar_t BOOL;
36  struct FILE;
37 #endif
38 
39 #ifndef MAX_SID_SIZE
40 #define MAX_SID_SIZE 1024
41 #endif
42 #define MAX_NAME_STRING 1024
43 
44 #define SID_GROUP 0
45 #define SID_MEMBER 1
46 
47 struct passwd {
48  char *pw_name; // user name
49  char *pw_passwd; // user password
50  int pw_uid; // user ID
51  int pw_gid; // user's group ID
52  int pw_quota; //
53  char *pw_gecos; // user's real (long) name
54  char *pw_dir; // user home directory
55  char *pw_shell; // shell command
56  char *pw_group; // user's group name
57 };
58 
59 struct group {
60  char *gr_name; // group name
61  char *gr_passwd; // group password
62  int gr_gid; // group id
63  char **gr_mem; // group members
64 };
65 
66 
67 class TWinNTSystem : public TSystem {
68 public:
69  // pointer to message handler func
70  typedef Bool_t (*ThreadMsgFunc_t)(MSG*);
71 
72 private:
73  struct group *fGroups{nullptr}; // Groups on local computer
74  struct passwd *fPasswords{nullptr}; // Users on local computer
75  int fNbUsers{0}; // Number of users on local computer
76  int fNbGroups{0}; // Number of groups on local computer
77  int fActUser{-1}; // Index of actual user in User list
78  Bool_t fGroupsInitDone{kFALSE}; // Flag used for Users and Groups initialization
79  Bool_t fFirstFile{kFALSE}; // Flag used by OpenDirectory/GetDirEntry
80 
81  HANDLE fhProcess; // Handle of the current process
82  void *fGUIThreadHandle{nullptr}; // handle of GUI server (aka command) thread
83  ULong_t fGUIThreadId{0}; // id of GUI server (aka command) thread
84  std::string fDirNameBuffer; // The string buffer to hold path name
85  WIN32_FIND_DATA fFindFileData; // Structure to look for files (aka OpenDir under UNIX)
86 
90  Bool_t CountMembers(const char *lpszGroupName);
91  const char *GetLinkedLibraries() override;
93  Long_t LookupSID (const char *lpszAccountName, int what, int &groupIdx, int &memberIdx);
94  Bool_t CollectMembers(const char *lpszGroupName, int &groupIdx, int &memberIdx);
97  void DoBeep(Int_t freq=-1, Int_t duration=-1) const override;
98 
99  static void ThreadStub(void *Parameter) {((TWinNTSystem *)Parameter)->TimerThread();}
100  void TimerThread();
101  void FillWithHomeDirectory(const char *userName, char *mydir) const;
102  char *GetWorkingDirectory(char driveletter) const;
103 
104 
105 protected:
106  static int WinNTUnixConnect(int port);
107  static int WinNTUnixConnect(const char *path);
108  static int WinNTUdpConnect(const char *hostname, int port);
109 
110 public:
111  TWinNTSystem();
112  virtual ~TWinNTSystem();
113 
114  //---- non-TSystem methods ----------------------------------
115  HANDLE GetProcess();
117 
118  //---- Misc -------------------------------------------------
119  Bool_t Init() override;
120  const char *BaseName(const char *name) override;
121  void SetProgname(const char *name) override;
122  const char *GetError() override;
123  const char *HostName() override;
124  void *GetGUIThreadHandle() const {return fGUIThreadHandle;}
127  void NotifyApplicationCreated() override;
128 
129 
130  //---- EventLoop --------------------------------------------
131  Bool_t ProcessEvents() override;
132  void DispatchOneEvent(Bool_t pendingOnly = kFALSE) override;
133  void ExitLoop() override;
134  Int_t Select(TList *active, Long_t timeout) override;
135  Int_t Select(TFileHandler *fh, Long_t timeout) override;
136 
137  //---- Handling of system events ----------------------------
138  void DispatchSignals(ESignals sig);
139  void AddSignalHandler(TSignalHandler *sh) override;
141  void ResetSignal(ESignals sig, Bool_t reset = kTRUE) override;
142  void ResetSignals() override;
143  void IgnoreSignal(ESignals sig, Bool_t ignore = kTRUE) override;
144  void AddFileHandler(TFileHandler *fh) override;
146  void StackTrace() override;
147 
148  //---- Floating Point Exceptions Control --------------------
149  Int_t GetFPEMask() override;
150  Int_t SetFPEMask(Int_t mask = kDefaultMask) override;
151 
152  //---- Processes --------------------------------------------
153  int Exec(const char *shellcmd) override;
154  FILE *OpenPipe(const char *shellcmd, const char *mode) override;
155  int ClosePipe(FILE *pipe) override;
156  void Exit(int code, Bool_t mode = kTRUE) override;
157  void Abort(int code = 0) override;
158  int GetPid() override;
159 
160  //---- Environment manipulation -----------------------------
161  const char *Getenv(const char *name) override;
162  void Setenv(const char *name, const char *value) override;
163 
164  //---- Directories ------------------------------------------
165  int mkdir(const char *name, Bool_t recursive = kFALSE) override;
166  int MakeDirectory(const char *name) override;
167  Bool_t ChangeDirectory(const char *path) override;
168  const char *GetDirEntry(void *dirp) override;
169  const char *DirName(const char *pathname) override;
170  TString GetDirName(const char *pathname) override;
171  void FreeDirectory(void *dirp) override;
172  void *OpenDirectory(const char *name) override;
173  const char *WorkingDirectory(char driveletter);
174  const char *WorkingDirectory() override;
175  std::string GetWorkingDirectory() const override;
176  const char *HomeDirectory(const char *userName=0) override;
177  std::string GetHomeDirectory(const char *userName = nullptr) const override;
178  const char *TempDirectory() const override;
179  FILE *TempFileName(TString &base, const char *dir = nullptr) override;
180 
181  //---- Users & Groups ---------------------------------------
182  Int_t GetUid(const char *user = nullptr) override;
183  Int_t GetGid(const char *group = nullptr) override;
184  Int_t GetEffectiveUid() override;
185  Int_t GetEffectiveGid() override;
186  UserGroup_t *GetUserInfo(Int_t uid) override;
187  UserGroup_t *GetUserInfo(const char *user = nullptr) override;
188  UserGroup_t *GetGroupInfo(Int_t gid) override;
189  UserGroup_t *GetGroupInfo(const char *group = nullptr) override;
190 
191  //---- Paths & Files ----------------------------------------
192  const char DriveName(const char *pathname="/");
193  const char *PrependPathName(const char *dir, TString& name) override;
194  Bool_t ExpandPathName(TString &patbuf) override;
195  char *ExpandPathName(const char *path) override;
196  Bool_t AccessPathName(const char *path, EAccessMode mode = kFileExists) override;
197  Bool_t IsPathLocal(const char *path) override;
198  Bool_t IsAbsoluteFileName(const char *dir) override;
199  int CopyFile(const char *from, const char *to, Bool_t overwrite = kFALSE) override;
200  int Rename(const char *from, const char *to) override;
201  int Link(const char *from, const char *to) override;
202  int Symlink(const char *from, const char *to) override;
203  int Unlink(const char *name) override;
204  int SetNonBlock(int fd);
205  int GetPathInfo(const char *path, FileStat_t &buf) override;
206  int GetFsInfo(const char *path, Long_t *id, Long_t *bsize,
207  Long_t *blocks, Long_t *bfree) override;
208  int Chmod(const char *file, UInt_t mode) override;
209  int Umask(Int_t mask) override;
210  int Utime(const char *file, Long_t modtime, Long_t actime) override;
211  const char *UnixPathName(const char *unixpathname) override;
212  const char *FindFile(const char *search, TString& file, EAccessMode mode = kFileExists) override;
213  TList *GetVolumes(Option_t *opt = "") const override;
214 
215  //---- Standard Output redirection --------------------------
216  Int_t RedirectOutput(const char *name, const char *mode = "a", RedirectHandle_t *h = nullptr) override;
217 
218  //---- Dynamic Loading --------------------------------------
219  void AddDynamicPath(const char *dir) override;
220  const char *GetDynamicPath() override;
221  void SetDynamicPath(const char *path) override;
222  const char *FindDynamicLibrary(TString &lib, Bool_t quiet = kFALSE) override;
223  int Load(const char *module, const char *entry = "", Bool_t system = kFALSE) override;
224  const char *GetLibraries(const char *regexp = "",
225  const char *option = "",
226  Bool_t isRegexp = kTRUE) override;
227 
228  //---- Time & Date -------------------------------------------
229  TTime Now() override;
230  void AddTimer(TTimer *ti) override;
231  TTimer *RemoveTimer(TTimer *ti) override;
232  void Sleep(UInt_t milliSec) override;
235 
236  //---- RPC --------------------------------------------------
237  int ConnectService(const char *servername, int port, int tcpwindowsize, const char *protocol = "tcp");
238  TInetAddress GetHostByName(const char *server) override;
239  TInetAddress GetPeerName(int sock) override;
240  TInetAddress GetSockName(int sock) override;
241  int GetServiceByName(const char *service) override;
242  char *GetServiceByPort(int port) override;
243  int OpenConnection(const char *server, int port, int tcpwindowsize = -1, const char *protocol = "tcp") override;
244  int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize = -1) override;
245  int AnnounceUdpService(int port, int backlog) override;
246  int AnnounceUnixService(int port, int backlog) override;
247  int AnnounceUnixService(const char *sockpath, int backlog) override;
248  int AcceptConnection(int sock) override;
249  void CloseConnection(int sock, Bool_t force = kFALSE) override;
250  int RecvRaw(int sock, void *buffer, int length, int flag) override;
251  int SendRaw(int sock, const void *buffer, int length, int flag) override;
252  int RecvBuf(int sock, void *buffer, int length) override;
253  int SendBuf(int sock, const void *buffer, int length) override;
254  int SetSockOpt(int sock, int opt, int val) override;
255  int GetSockOpt(int sock, int opt, int *val) override;
256 
257  //---- System, CPU and Memory info
258  Int_t GetSysInfo(SysInfo_t *info) const override;
259  Int_t GetCpuInfo(CpuInfo_t *info, Int_t sampleTime = 1000) const override;
260  Int_t GetMemInfo(MemInfo_t *info) const override;
261  Int_t GetProcInfo(ProcInfo_t *info) const override;
262 
264 };
265 
266 R__EXTERN ULong_t gConsoleWindow; // console window handle
267 
268 #endif
int Chmod(const char *file, UInt_t mode) override
Set the file permission bits.
Bool_t fFirstFile
Definition: TWinNTSystem.h:79
TList * GetVolumes(Option_t *opt="") const override
Get list of volumes (drives) mounted on the system.
Int_t GetUid(const char *user=nullptr) override
Returns the user&#39;s id. If user = 0, returns current user&#39;s id.
int pw_quota
Definition: TWinNTSystem.h:52
const char * BaseName(const char *name) override
Base name of a file name.
int pw_uid
Definition: TWinNTSystem.h:50
void * GetGUIThreadHandle() const
Definition: TWinNTSystem.h:124
WIN32_FIND_DATA fFindFileData
Definition: TWinNTSystem.h:85
struct group * fGroups
Definition: TWinNTSystem.h:73
char * pw_shell
Definition: TWinNTSystem.h:55
Bool_t GetNbGroups()
TInetAddress GetSockName(int sock) override
Get Internet Protocol (IP) address of host and port #.
Int_t RedirectOutput(const char *name, const char *mode="a", RedirectHandle_t *h=nullptr) override
Redirect standard output (stdout, stderr) to the specified file.
TInetAddress GetPeerName(int sock) override
Get Internet Protocol (IP) address of remote host and port #.
Int_t GetFPEMask() override
Return the bitmap of conditions that trigger a floating point exception.
HANDLE GetProcess()
Get current process handle.
int gr_gid
Definition: TWinNTSystem.h:62
void CloseConnection(int sock, Bool_t force=kFALSE) override
Close socket.
const char Option_t
Definition: RtypesCore.h:64
int mkdir(const char *name, Bool_t recursive=kFALSE) override
Make a file system directory.
int OpenConnection(const char *server, int port, int tcpwindowsize=-1, const char *protocol="tcp") override
Open a connection to a service on a server.
int GetSockOpt(int sock, int opt, int *val) override
Get socket option.
const char * GetLibraries(const char *regexp="", const char *option="", Bool_t isRegexp=kTRUE) override
Return a space separated list of loaded shared libraries.
int Load(const char *module, const char *entry="", Bool_t system=kFALSE) override
Load a shared library.
FILE * OpenPipe(const char *shellcmd, const char *mode) override
Open a pipe.
int RecvBuf(int sock, void *buffer, int length) override
Receive a buffer headed by a length indicator.
void DispatchOneEvent(Bool_t pendingOnly=kFALSE) override
Dispatch a single event in TApplication::Run() loop.
char * gr_name
Definition: TWinNTSystem.h:60
void Abort(int code=0) override
Abort the application.
This class represents an Internet Protocol (IP) address.
Definition: TInetAddress.h:36
int Exec(const char *shellcmd) override
Execute a command.
int SendRaw(int sock, const void *buffer, int length, int flag) override
Send exactly length bytes from buffer.
UserGroup_t * GetUserInfo(Int_t uid) override
Returns all user info in the UserGroup_t structure.
int AnnounceUnixService(int port, int backlog) override
Announce unix domain service.
const char * GetDirEntry(void *dirp) override
Returns the next directory entry.
int Umask(Int_t mask) override
Set the process file creation mode mask.
int GetPid() override
Get process id.
Basic string class.
Definition: TString.h:131
const char * PrependPathName(const char *dir, TString &name) override
Concatenate a directory and a file name.
int Int_t
Definition: RtypesCore.h:43
bool Bool_t
Definition: RtypesCore.h:61
char * gr_passwd
Definition: TWinNTSystem.h:61
int ClosePipe(FILE *pipe) override
Close the pipe.
Bool_t CheckDescriptors()
Check if there is activity on some file descriptors and call their Notify() member.
void IgnoreSignal(ESignals sig, Bool_t ignore=kTRUE) override
If ignore is true ignore the specified signal, else restore previous behaviour.
static void ThreadStub(void *Parameter)
Definition: TWinNTSystem.h:99
const char * GetLinkedLibraries() override
Get list of shared libraries loaded at the start of the executable.
Basic time type with millisecond precision.
Definition: TTime.h:27
Int_t GetGid(const char *group=nullptr) override
Returns the group&#39;s id. If group = 0, returns current user&#39;s group.
int AnnounceUdpService(int port, int backlog) override
Announce UDP service.
void * fGUIThreadHandle
Definition: TWinNTSystem.h:82
int SendBuf(int sock, const void *buffer, int length) override
Send a buffer headed by a length indicator.
void AddFileHandler(TFileHandler *fh) override
Add a file handler to the list of system file handlers.
HANDLE fhProcess
Definition: TWinNTSystem.h:81
TWinNTSystem()
ctor
Bool_t DispatchTimers(Bool_t mode)
Handle and dispatch timers.
FILE * TempFileName(TString &base, const char *dir=nullptr) override
Create a secure temporary file by appending a unique 6 letter string to base.
int SetSockOpt(int sock, int opt, int val) override
Set socket option.
int RecvRaw(int sock, void *buffer, int length, int flag) override
Receive exactly length bytes into buffer.
std::string GetHomeDirectory(const char *userName=nullptr) const override
Return the user&#39;s home directory.
void ResetSignals() override
Reset signals handlers to previous behaviour.
TString GetDirName(const char *pathname) override
Return the directory name in pathname.
const char * TempDirectory() const override
Return a user configured or systemwide directory to create temporary files in.
static int WinNTUnixConnect(int port)
Connect to a Unix domain socket.
Int_t GetSysInfo(SysInfo_t *info) const override
Returns static system info, like OS type, CPU type, number of CPUs RAM size, etc into the SysInfo_t s...
std::string fDirNameBuffer
Definition: TWinNTSystem.h:84
const char * HomeDirectory(const char *userName=0) override
Return the user&#39;s home directory.
Int_t GetEffectiveUid() override
Returns the effective user id.
void SetProgname(const char *name) override
Set the application name (from command line, argv[0]) and copy it in gProgName.
const char * FindFile(const char *search, TString &file, EAccessMode mode=kFileExists) override
Find location of file in a search path.
void AddDynamicPath(const char *dir) override
Add a new directory to the dynamic path.
void AddTimer(TTimer *ti) override
Add timer to list of system timers.
Int_t SetFPEMask(Int_t mask=kDefaultMask) override
Set which conditions trigger a floating point exception.
const char * FindDynamicLibrary(TString &lib, Bool_t quiet=kFALSE) override
Returns and updates sLib to the path of a dynamic library (searches for library in the dynamic librar...
R__EXTERN ULong_t gConsoleWindow
Definition: TWinNTSystem.h:266
char * pw_name
Definition: TWinNTSystem.h:48
TTimer * RemoveTimer(TTimer *ti) override
Remove timer from list of system timers.
void FreeDirectory(void *dirp) override
Close a WinNT file system directory.
const char * DirName(const char *pathname) override
Return the directory name in pathname.
void * OpenDirectory(const char *name) override
Open a directory. Returns 0 if directory does not exist.
int Symlink(const char *from, const char *to) override
Create a symlink from file1 to file2.
Bool_t ChangeDirectory(const char *path) override
Change directory.
Bool_t CollectGroups()
A doubly linked list.
Definition: TList.h:44
static const char * what
Definition: stlLoader.cc:6
const char * HostName() override
Return the system&#39;s host name.
Bool_t InitUsersGroups()
Collect local users and groups accounts information.
virtual ~TWinNTSystem()
dtor
int GetPathInfo(const char *path, FileStat_t &buf) override
Get info about a file.
const char * Getenv(const char *name) override
Get environment variable.
static int WinNTUdpConnect(const char *hostname, int port)
Creates a UDP socket connection Is called via the TSocket constructor.
ESignals
const char * GetDynamicPath() override
Return the dynamic path (used to find shared libraries).
char * pw_gecos
Definition: TWinNTSystem.h:53
Int_t GetEffectiveGid() override
Returns the effective group id.
ULong_t fGUIThreadId
Definition: TWinNTSystem.h:83
void Sleep(UInt_t milliSec) override
Sleep milliSec milli seconds.
Int_t Select(TList *active, Long_t timeout) override
Select on file descriptors. The timeout to is in millisec.
char * pw_group
Definition: TWinNTSystem.h:56
TFileHandler * RemoveFileHandler(TFileHandler *fh) override
Remove a file handler from the list of file handlers.
int ConnectService(const char *servername, int port, int tcpwindowsize, const char *protocol="tcp")
Connect to service servicename on server servername.
unsigned int UInt_t
Definition: RtypesCore.h:44
struct passwd * fPasswords
Definition: TWinNTSystem.h:74
ULong_t GetGUIThreadId() const
Definition: TWinNTSystem.h:125
Handles synchronous and a-synchronous timer events.
Definition: TTimer.h:51
TTime Now() override
Get current time in milliseconds since 0:00 Jan 1 1995.
Int_t GetProcInfo(ProcInfo_t *info) const override
Returns cpu and memory used by this process into the ProcInfo_t structure.
int Rename(const char *from, const char *to) override
Rename a file. Returns 0 when successful, -1 in case of failure.
Bool_t IsPathLocal(const char *path) override
Returns TRUE if the url in &#39;path&#39; points to the local file system.
void Setenv(const char *name, const char *value) override
Set environment variable.
Int_t GetMemInfo(MemInfo_t *info) const override
Returns ram and swap memory usage info into the MemInfo_t structure.
void DoBeep(Int_t freq=-1, Int_t duration=-1) const override
Beep.
const char * UnixPathName(const char *unixpathname) override
Convert a pathname to a unix pathname.
void DispatchSignals(ESignals sig)
Handle and dispatch signals.
int Link(const char *from, const char *to) override
Create a link from file1 to file2.
int AcceptConnection(int sock) override
Accept a connection.
const char DriveName(const char *pathname="/")
Return the drive letter in pathname.
#define h(i)
Definition: RSha256.hxx:106
const Bool_t kFALSE
Definition: RtypesCore.h:90
long Long_t
Definition: RtypesCore.h:52
void SetDynamicPath(const char *path) override
Set the dynamic path to a new value.
double Double_t
Definition: RtypesCore.h:57
TInetAddress GetHostByName(const char *server) override
Get Internet Protocol (IP) address of host.
Bool_t ExpandPathName(TString &patbuf) override
Expand a pathname getting rid of special shell characaters like ~.$, etc.
Bool_t fGroupsInitDone
Definition: TWinNTSystem.h:78
int Utime(const char *file, Long_t modtime, Long_t actime) override
Set a files modification and access times.
int CopyFile(const char *from, const char *to, Bool_t overwrite=kFALSE) override
Copy a file.
unsigned long ULong_t
Definition: RtypesCore.h:53
void TimerThread()
Special Thread to check asynchronous timers.
void StackTrace() override
Print a stack trace, if gEnv entry "Root.Stacktrace" is unset or 1, and if the image helper functions...
Bool_t ProcessEvents() override
process pending events, i.e. DispatchOneEvent(kTRUE)
Int_t GetCpuInfo(CpuInfo_t *info, Int_t sampleTime=1000) const override
Returns cpu load average and load info into the CpuInfo_t structure.
Bool_t HandleConsoleEvent()
int MakeDirectory(const char *name) override
Make a WinNT file system directory.
void FillWithHomeDirectory(const char *userName, char *mydir) const
Fill buffer with user&#39;s home directory.
std::string GetWorkingDirectory() const override
Return the working directory for the default drive.
EAccessMode
Definition: TSystem.h:42
char * GetServiceByPort(int port) override
Get name of internet service.
Bool_t IsAbsoluteFileName(const char *dir) override
Return true if dir is an absolute pathname.
int pw_gid
Definition: TWinNTSystem.h:51
void Exit(int code, Bool_t mode=kTRUE) override
Exit the application.
Double_t GetCPUTime()
#define R__EXTERN
Definition: DllImport.h:27
Bool_t CountMembers(const char *lpszGroupName)
Bool_t(* ThreadMsgFunc_t)(MSG *)
Definition: TWinNTSystem.h:70
int GetServiceByName(const char *service) override
Get port # of internet service.
Definition: file.py:1
int SetNonBlock(int fd)
Make descriptor fd non-blocking.
void NotifyApplicationCreated() override
Hook to tell TSystem that the TApplication object has been created.
Double_t GetRealTime()
int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize=-1) override
Announce TCP/IP service.
Long_t LookupSID(const char *lpszAccountName, int what, int &groupIdx, int &memberIdx)
Take the name and look up a SID so that we can get full domain/user information.
char * pw_passwd
Definition: TWinNTSystem.h:49
char * pw_dir
Definition: TWinNTSystem.h:54
int Unlink(const char *name) override
Unlink, i.e.
void ExitLoop() override
Exit from event loop.
#define ClassDefOverride(name, id)
Definition: Rtypes.h:326
Bool_t CollectMembers(const char *lpszGroupName, int &groupIdx, int &memberIdx)
Bool_t Init() override
Initialize WinNT system interface.
TSignalHandler * RemoveSignalHandler(TSignalHandler *sh) override
Remove a signal handler from list of signal handlers.
unsigned char UChar_t
Definition: RtypesCore.h:36
Bool_t CheckSignals(Bool_t sync)
Check if some signals were raised and call their Notify() member.
Bool_t AccessPathName(const char *path, EAccessMode mode=kFileExists) override
Returns FALSE if one can access a file using the specified access mode.
void ResetSignal(ESignals sig, Bool_t reset=kTRUE) override
If reset is true reset the signal handler for the specified signal to the default handler...
Abstract base class defining a generic interface to the underlying Operating System.
Definition: TSystem.h:265
int GetFsInfo(const char *path, Long_t *id, Long_t *bsize, Long_t *blocks, Long_t *bfree) override
Get info about a file system: id, bsize, bfree, blocks.
UserGroup_t * GetGroupInfo(Int_t gid) override
Returns all group info in the UserGroup_t structure.
const Bool_t kTRUE
Definition: RtypesCore.h:89
const char * WorkingDirectory() override
Return the working directory for the default drive.
char name[80]
Definition: TGX11.cxx:109
void AddSignalHandler(TSignalHandler *sh) override
Add a signal handler to list of system signal handlers.
const char * GetError() override
Return system error string.
void SetGUIThreadMsgHandler(ThreadMsgFunc_t func)
Set the (static part of) the event handler func for GUI messages.
char ** gr_mem
Definition: TWinNTSystem.h:63