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Reference Guide
TSystem.h
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1// @(#)root/base:$Id$
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#ifndef ROOT_TSystem
13#define ROOT_TSystem
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TSystem //
19// //
20// Abstract base class defining a generic interface to the underlying //
21// Operating System. //
22// //
23//////////////////////////////////////////////////////////////////////////
24
25#ifndef __CINT__
26#include <cstdio>
27#include <cctype>
28#include <fcntl.h>
29#ifndef _WIN32
30#include <unistd.h>
31#endif
32#endif
33
34#include "TNamed.h"
35#include "TInetAddress.h"
36#include "TTimer.h"
37#include <string>
38
39class TSeqCollection;
40class TFdSet;
41class TVirtualMutex;
42
48};
49
51 kLogPid = 0x01,
52 kLogCons = 0x02
53};
54
63 kLogDebug = 7
64};
65
75};
76
78 kNoneMask = 0x00,
79 kInvalid = 0x01, // Invalid argument
80 kDivByZero = 0x02, // Division by zero
81 kOverflow = 0x04, // Overflow
82 kUnderflow = 0x08, // Underflow
83 kInexact = 0x10, // Inexact
85 kAllMask = 0x1F
86};
87
89 kS_IFMT = 0170000, // bitmask for the file type bitfields
90 kS_IFSOCK = 0140000, // socket
91 kS_IFLNK = 0120000, // symbolic link
92 kS_IFOFF = 0110000, // offline file
93 kS_IFREG = 0100000, // regular file
94 kS_IFBLK = 0060000, // block device
95 kS_IFDIR = 0040000, // directory
96 kS_IFCHR = 0020000, // character device
97 kS_IFIFO = 0010000, // fifo
98 kS_ISUID = 0004000, // set UID bit
99 kS_ISGID = 0002000, // set GID bit
100 kS_ISVTX = 0001000, // sticky bit
101 kS_IRWXU = 00700, // mask for file owner permissions
102 kS_IRUSR = 00400, // owner has read permission
103 kS_IWUSR = 00200, // owner has write permission
104 kS_IXUSR = 00100, // owner has execute permission
105 kS_IRWXG = 00070, // mask for group permissions
106 kS_IRGRP = 00040, // group has read permission
107 kS_IWGRP = 00020, // group has write permission
108 kS_IXGRP = 00010, // group has execute permission
109 kS_IRWXO = 00007, // mask for permissions for others (not in group)
110 kS_IROTH = 00004, // others have read permission
111 kS_IWOTH = 00002, // others have write permission
112 kS_IXOTH = 00001 // others have execute permission
114
115inline Bool_t R_ISDIR(Int_t mode) { return ((mode & kS_IFMT) == kS_IFDIR); }
116inline Bool_t R_ISCHR(Int_t mode) { return ((mode & kS_IFMT) == kS_IFCHR); }
117inline Bool_t R_ISBLK(Int_t mode) { return ((mode & kS_IFMT) == kS_IFBLK); }
118inline Bool_t R_ISREG(Int_t mode) { return ((mode & kS_IFMT) == kS_IFREG); }
119inline Bool_t R_ISLNK(Int_t mode) { return ((mode & kS_IFMT) == kS_IFLNK); }
120inline Bool_t R_ISFIFO(Int_t mode) { return ((mode & kS_IFMT) == kS_IFIFO); }
121inline Bool_t R_ISSOCK(Int_t mode) { return ((mode & kS_IFMT) == kS_IFSOCK); }
122inline Bool_t R_ISOFF(Int_t mode) { return ((mode & kS_IFMT) == kS_IFOFF); }
123
125 Long_t fDev; // device id
126 Long_t fIno; // inode
127 Int_t fMode; // protection (combination of EFileModeMask bits)
128 Int_t fUid; // user id of owner
129 Int_t fGid; // group id of owner
130 Long64_t fSize; // total size in bytes
131 Long_t fMtime; // modification date
132 Bool_t fIsLink; // symbolic link
133 TString fUrl; // end point url of file
134 FileStat_t() : fDev(0), fIno(0), fMode(0), fUid(0), fGid(0), fSize(0),
135 fMtime(0), fIsLink(kFALSE), fUrl("") { }
136};
137
139 Int_t fUid; // user id
140 Int_t fGid; // group id
141 TString fUser; // user name
142 TString fGroup; // group name
143 TString fPasswd; // password
144 TString fRealName; // user full name
145 TString fShell; // user preferred shell
147 fRealName (), fShell() { }
148};
149
150struct SysInfo_t {
152 TString fModel; // computer model
153 TString fCpuType; // type of cpu
154 Int_t fCpus; // number of cpus
155 Int_t fCpuSpeed; // cpu speed in MHz
156 Int_t fBusSpeed; // bus speed in MHz
157 Int_t fL2Cache; // level 2 cache size in KB
158 Int_t fPhysRam; // physical RAM in MB
160 fBusSpeed(0), fL2Cache(0), fPhysRam(0) { }
161 virtual ~SysInfo_t() { }
162 ClassDef(SysInfo_t, 1); // System information - OS, CPU, RAM.
163};
164
165struct CpuInfo_t {
166 Float_t fLoad1m; // cpu load average over 1 m
167 Float_t fLoad5m; // cpu load average over 5 m
168 Float_t fLoad15m; // cpu load average over 15 m
169 Float_t fUser; // cpu user load in percentage
170 Float_t fSys; // cpu sys load in percentage
171 Float_t fTotal; // cpu user+sys load in percentage
172 Float_t fIdle; // cpu idle percentage
174 fUser(0), fSys(0), fTotal(0), fIdle(0) { }
175 virtual ~CpuInfo_t() { }
176 ClassDef(CpuInfo_t, 1); // CPU load information.
177};
178
179struct MemInfo_t {
180 Int_t fMemTotal; // total RAM in MB
181 Int_t fMemUsed; // used RAM in MB
182 Int_t fMemFree; // free RAM in MB
183 Int_t fSwapTotal; // total swap in MB
184 Int_t fSwapUsed; // used swap in MB
185 Int_t fSwapFree; // free swap in MB
187 fSwapTotal(0), fSwapUsed(0), fSwapFree(0) { }
188 virtual ~MemInfo_t() { }
189 ClassDef(MemInfo_t, 1); // Memory utilization information.
190};
191
193 Float_t fCpuUser; // user time used by this process in seconds
194 Float_t fCpuSys; // system time used by this process in seconds
195 Long_t fMemResident; // resident memory used by this process in KB
196 Long_t fMemVirtual; // virtual memory used by this process in KB
198 fMemVirtual(0) { }
199 virtual ~ProcInfo_t();
200 ClassDef(ProcInfo_t, 1);// System resource usage of given process.
201};
202
204 TString fFile; // File where the output was redirected
205 TString fStdOutTty; // tty associated with stdout, if any (e.g. from ttyname(...))
206 TString fStdErrTty; // tty associated with stderr, if any (e.g. from ttyname(...))
207 Int_t fStdOutDup{-1}; // Duplicated descriptor for stdout
208 Int_t fStdErrDup{-1}; // Duplicated descriptor for stderr
209 Int_t fReadOffSet{-1}; // Offset where to start reading the file (used by ShowOutput(...))
210 RedirectHandle_t(const char *n = nullptr) : fFile(n) { }
211 void Reset() { fFile = ""; fStdOutTty = ""; fStdErrTty = "";
212 fStdOutDup = -1; fStdErrDup = -1; fReadOffSet = -1; }
213};
214
216 kSendBuffer, // size of send buffer
217 kRecvBuffer, // size of receive buffer
218 kOobInline, // OOB message inline
219 kKeepAlive, // keep socket alive
220 kReuseAddr, // allow reuse of local portion of address 5-tuple
221 kNoDelay, // send without delay
222 kNoBlock, // non-blocking I/O
223 kProcessGroup, // socket process group (used for SIGURG and SIGIO)
224 kAtMark, // are we at out-of-band mark (read only)
225 kBytesToRead // get number of bytes to read, FIONREAD (read only)
227
229 kDefault, // default option (= 0)
230 kOob, // send or receive out-of-band data
231 kPeek, // peek at incoming message (receive only)
232 kDontBlock // send/recv as much data as possible without blocking
234
235#ifdef __CINT__
236typedef void *Func_t;
237#else
238typedef void (*Func_t)();
239#endif
240
241R__EXTERN const char *gRootDir;
245
246
247//////////////////////////////////////////////////////////////////////////
248// //
249// Asynchronous timer used for processing pending GUI and timer events //
250// every delay ms. Call in a tight computing loop //
251// TProcessEventTimer::ProcessEvent(). If the timer did timeout this //
252// call will process the pending events and return kTRUE if the //
253// TROOT::IsInterrupted() flag is set (can be done by hitting key in //
254// canvas or selecting canvas menu item View/Interrupt. //
255// //
256//////////////////////////////////////////////////////////////////////////
258public:
260 Bool_t Notify() { return kTRUE; }
262 ClassDef(TProcessEventTimer,0) // Process pending events at fixed time intervals
263};
264
265
266class TSystem : public TNamed {
267
268public:
271 kFlatBuildDir = BIT(0) // If set and a BuildDir is selected, then do not created sub-directories
272 };
273
274protected:
275 TFdSet *fReadmask{nullptr}; //!Files that should be checked for read events
276 TFdSet *fWritemask{nullptr}; //!Files that should be checked for write events
277 TFdSet *fReadready{nullptr}; //!Files with reads waiting
278 TFdSet *fWriteready{nullptr}; //!Files with writes waiting
279 TFdSet *fSignals{nullptr}; //!Signals that were trapped
280 Int_t fNfd{0}; //Number of fd's in masks
281 Int_t fMaxrfd{-1}; //Largest fd in read mask
282 Int_t fMaxwfd{-1}; //Largest fd in write mask
283 Int_t fSigcnt{0}; //Number of pending signals
284 TString fWdpath; //Working directory
285 TString fHostname; //Hostname
286 std::atomic<Bool_t> fInsideNotify{kFALSE}; //Used by DispatchTimers()
287 Int_t fBeepFreq{0}; //Used by Beep()
288 Int_t fBeepDuration{0}; //Used by Beep()
289
290 Bool_t fInControl{kFALSE}; //True if in eventloop
291 Bool_t fDone{kFALSE}; //True if eventloop should be finished
292 Int_t fLevel{0}; //Level of nested eventloops
293
294 TList *fTimers{nullptr}; //List of timers
295 TSeqCollection *fSignalHandler{nullptr}; //List of signal handlers
296 TSeqCollection *fFileHandler{nullptr}; //List of file handlers
297 TSeqCollection *fStdExceptionHandler{nullptr}; //List of std::exception handlers
298 TSeqCollection *fOnExitList{nullptr}; //List of items to be cleaned-up on exit
299
300 TString fListLibs; //List shared libraries, cache used by GetLibraries
301
302 TString fBuildArch; //Architecture for which ROOT was built (passed to ./configure)
303 TString fBuildCompiler; //Compiler used to build this ROOT
304 TString fBuildCompilerVersion; //Compiler version used to build this ROOT
305 TString fBuildCompilerVersionStr; //Compiler version identifier string used to build this ROOT
306 TString fBuildNode; //Detailed information where ROOT was built
307 TString fBuildDir; //Location where to build ACLiC shared library and use as scratch area.
308 TString fFlagsDebug; //Flags for debug compilation
309 TString fFlagsOpt; //Flags for optimized compilation
310 TString fListPaths; //List of all include (fIncludePath + interpreter include path). Cache used by GetIncludePath
311 TString fIncludePath; //Used to expand $IncludePath in the directives given to SetMakeSharedLib and SetMakeExe
312 TString fLinkedLibs; //Used to expand $LinkedLibs in the directives given to SetMakeSharedLib and SetMakeExe
313 TString fSoExt; //Extension of shared library (.so, .sl, .a, .dll, etc.)
314 TString fObjExt; //Extension of object files (.o, .obj, etc.)
315 EAclicMode fAclicMode{kDefault}; //Whether the compilation should be done debug or opt
316 TString fMakeSharedLib; //Directive used to build a shared library
317 TString fMakeExe; //Directive used to build an executable
318 TString fLinkdefSuffix; //Default suffix for linkdef files to be used by ACLiC (see EACLiCProperties)
319 Int_t fAclicProperties{0}; //Various boolean flag for change ACLiC's behavior.
320 TSeqCollection *fCompiled{nullptr}; //List of shared libs from compiled macros to be deleted
321 TSeqCollection *fHelpers{nullptr}; //List of helper classes for alternative file/directory access
322
323 TString &GetLastErrorString(); //Last system error message (thread local).
324 const TString &GetLastErrorString() const; //Last system error message (thread local).
325
326 TSystem *FindHelper(const char *path, void *dirptr = nullptr);
327 virtual Bool_t ConsistentWith(const char *path, void *dirptr = nullptr);
328 virtual const char *ExpandFileName(const char *fname);
329 virtual Bool_t ExpandFileName(TString &fname);
331 virtual const char *GetLinkedLibraries();
332 virtual void DoBeep(Int_t /*freq*/=-1, Int_t /*duration*/=-1) const { printf("\a"); fflush(stdout); }
333
334 static const char *StripOffProto(const char *path, const char *proto);
335
336private:
337 TSystem(const TSystem&) = delete;
338 TSystem& operator=(const TSystem&) = delete;
339 Bool_t ExpandFileName(const char *fname, char *xname, const int kBufSize);
340
341public:
342 TSystem(const char *name = "Generic", const char *title = "Generic System");
343 virtual ~TSystem();
344
345 //---- Misc
346 virtual Bool_t Init();
347 virtual void SetProgname(const char *name);
348 virtual void SetDisplay();
349 void SetErrorStr(const char *errstr);
350 const char *GetErrorStr() const { return GetLastErrorString(); }
351 virtual const char *GetError();
352 void RemoveOnExit(TObject *obj);
353 virtual const char *HostName();
354 virtual void NotifyApplicationCreated();
355
356 static Int_t GetErrno();
357 static void ResetErrno();
358 void Beep(Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE);
359 void GetBeepDefaults(Int_t &freq, Int_t &duration) const { freq = fBeepFreq; duration = fBeepDuration; }
360
361 //---- EventLoop
362 virtual void Run();
363 virtual Bool_t ProcessEvents();
364 virtual void DispatchOneEvent(Bool_t pendingOnly = kFALSE);
365 virtual void ExitLoop();
366 Bool_t InControl() const { return fInControl; }
367 virtual void InnerLoop();
368 virtual Int_t Select(TList *active, Long_t timeout);
369 virtual Int_t Select(TFileHandler *fh, Long_t timeout);
370
371 //---- Handling of system events
372 virtual void AddSignalHandler(TSignalHandler *sh);
374 virtual void ResetSignal(ESignals sig, Bool_t reset = kTRUE);
375 virtual void ResetSignals();
376 virtual void IgnoreSignal(ESignals sig, Bool_t ignore = kTRUE);
377 virtual void IgnoreInterrupt(Bool_t ignore = kTRUE);
379 virtual void AddFileHandler(TFileHandler *fh);
385
386 //---- Floating Point Exceptions Control
387 virtual Int_t GetFPEMask();
388 virtual Int_t SetFPEMask(Int_t mask = kDefaultMask);
389
390 //---- Time & Date
391 virtual TTime Now();
392 virtual TList *GetListOfTimers() const { return fTimers; }
393 virtual void AddTimer(TTimer *t);
394 virtual TTimer *RemoveTimer(TTimer *t);
395 virtual void ResetTimer(TTimer *) { }
396 virtual Long_t NextTimeOut(Bool_t mode);
397 virtual void Sleep(UInt_t milliSec);
398
399 //---- Processes
400 virtual Int_t Exec(const char *shellcmd);
401 virtual FILE *OpenPipe(const char *command, const char *mode);
402 virtual int ClosePipe(FILE *pipe);
403 virtual TString GetFromPipe(const char *command);
404 virtual void Exit(int code, Bool_t mode = kTRUE);
405 virtual void Abort(int code = 0);
406 virtual int GetPid();
407 virtual void StackTrace();
408
409 //---- Directories
410 virtual int MakeDirectory(const char *name);
411 virtual void *OpenDirectory(const char *name);
412 virtual void FreeDirectory(void *dirp);
413 virtual const char *GetDirEntry(void *dirp);
414 virtual void *GetDirPtr() const { return nullptr; }
415 virtual Bool_t ChangeDirectory(const char *path);
416 virtual const char *WorkingDirectory();
417 virtual std::string GetWorkingDirectory() const;
418 virtual const char *HomeDirectory(const char *userName = nullptr);
419 virtual std::string GetHomeDirectory(const char *userName = nullptr) const;
420 virtual int mkdir(const char *name, Bool_t recursive = kFALSE);
421 Bool_t cd(const char *path) { return ChangeDirectory(path); }
422 const char *pwd() { return WorkingDirectory(); }
423 virtual const char *TempDirectory() const;
424 virtual FILE *TempFileName(TString &base, const char *dir = nullptr);
425
426 //---- Paths & Files
427 virtual const char *BaseName(const char *pathname);
428 virtual const char *DirName(const char *pathname);
429 virtual TString GetDirName(const char *pathname);
430 virtual char *ConcatFileName(const char *dir, const char *name);
431 virtual Bool_t IsAbsoluteFileName(const char *dir);
432 virtual Bool_t IsFileInIncludePath(const char *name, char **fullpath = nullptr);
433 virtual const char *PrependPathName(const char *dir, TString& name);
434 virtual Bool_t ExpandPathName(TString &path);
435 virtual char *ExpandPathName(const char *path);
436 virtual Bool_t AccessPathName(const char *path, EAccessMode mode = kFileExists);
437 virtual Bool_t IsPathLocal(const char *path);
438 virtual int CopyFile(const char *from, const char *to, Bool_t overwrite = kFALSE);
439 virtual int Rename(const char *from, const char *to);
440 virtual int Link(const char *from, const char *to);
441 virtual int Symlink(const char *from, const char *to);
442 virtual int Unlink(const char *name);
443 int GetPathInfo(const char *path, Long_t *id, Long_t *size, Long_t *flags, Long_t *modtime);
444 int GetPathInfo(const char *path, Long_t *id, Long64_t *size, Long_t *flags, Long_t *modtime);
445 virtual int GetPathInfo(const char *path, FileStat_t &buf);
446 virtual int GetFsInfo(const char *path, Long_t *id, Long_t *bsize, Long_t *blocks, Long_t *bfree);
447 virtual int Chmod(const char *file, UInt_t mode);
448 virtual int Umask(Int_t mask);
449 virtual int Utime(const char *file, Long_t modtime, Long_t actime);
450 virtual const char *UnixPathName(const char *unixpathname);
451 virtual const char *FindFile(const char *search, TString& file, EAccessMode mode = kFileExists);
452 virtual char *Which(const char *search, const char *file, EAccessMode mode = kFileExists);
453 virtual TList *GetVolumes(Option_t *) const { return 0; }
454
455 //---- Users & Groups
456 virtual Int_t GetUid(const char *user = nullptr);
457 virtual Int_t GetGid(const char *group = nullptr);
458 virtual Int_t GetEffectiveUid();
459 virtual Int_t GetEffectiveGid();
460 virtual UserGroup_t *GetUserInfo(Int_t uid);
461 virtual UserGroup_t *GetUserInfo(const char *user = nullptr);
462 virtual UserGroup_t *GetGroupInfo(Int_t gid);
463 virtual UserGroup_t *GetGroupInfo(const char *group = nullptr);
464
465 //---- Environment Manipulation
466 virtual void Setenv(const char *name, const char *value);
467 virtual void Unsetenv(const char *name);
468 virtual const char *Getenv(const char *env);
469
470 //---- System Logging
471 virtual void Openlog(const char *name, Int_t options, ELogFacility facility);
472 virtual void Syslog(ELogLevel level, const char *mess);
473 virtual void Closelog();
474
475 //---- Standard Output redirection
476 virtual Int_t RedirectOutput(const char *name, const char *mode = "a", RedirectHandle_t *h = nullptr);
477 virtual void ShowOutput(RedirectHandle_t *h);
478
479 //---- Dynamic Loading
480 virtual void AddDynamicPath(const char *pathname);
481 virtual const char *GetDynamicPath();
482 virtual void SetDynamicPath(const char *pathname);
483 char *DynamicPathName(const char *lib, Bool_t quiet = kFALSE);
484 virtual const char *FindDynamicLibrary(TString& lib, Bool_t quiet = kFALSE);
485 virtual Func_t DynFindSymbol(const char *module, const char *entry);
486 virtual int Load(const char *module, const char *entry = "", Bool_t system = kFALSE);
487 virtual void Unload(const char *module);
488 virtual UInt_t LoadAllLibraries();
489 virtual void ListSymbols(const char *module, const char *re = "");
490 virtual void ListLibraries(const char *regexp = "");
491 virtual const char *GetLibraries(const char *regexp = "",
492 const char *option = "",
493 Bool_t isRegexp = kTRUE);
494
495 //---- RPC
496 virtual TInetAddress GetHostByName(const char *server);
497 virtual TInetAddress GetPeerName(int sock);
498 virtual TInetAddress GetSockName(int sock);
499 virtual int GetServiceByName(const char *service);
500 virtual char *GetServiceByPort(int port);
501 virtual int OpenConnection(const char *server, int port, int tcpwindowsize = -1, const char *protocol = "tcp");
502 virtual int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize = -1);
503 virtual int AnnounceUdpService(int port, int backlog);
504 virtual int AnnounceUnixService(int port, int backlog);
505 virtual int AnnounceUnixService(const char *sockpath, int backlog);
506 virtual int AcceptConnection(int sock);
507 virtual void CloseConnection(int sock, Bool_t force = kFALSE);
508 virtual int RecvRaw(int sock, void *buffer, int length, int flag);
509 virtual int SendRaw(int sock, const void *buffer, int length, int flag);
510 virtual int RecvBuf(int sock, void *buffer, int length);
511 virtual int SendBuf(int sock, const void *buffer, int length);
512 virtual int SetSockOpt(int sock, int kind, int val);
513 virtual int GetSockOpt(int sock, int kind, int *val);
514
515 //---- System, CPU and Memory info
516 virtual int GetSysInfo(SysInfo_t *info) const;
517 virtual int GetCpuInfo(CpuInfo_t *info, Int_t sampleTime = 1000) const;
518 virtual int GetMemInfo(MemInfo_t *info) const;
519 virtual int GetProcInfo(ProcInfo_t *info) const;
520
521 //---- ACLiC (Automatic Compiler of Shared Library for CINT)
522 virtual void AddIncludePath(const char *includePath);
523 virtual void AddLinkedLibs(const char *linkedLib);
524 virtual int CompileMacro(const char *filename, Option_t *opt = "", const char *library_name = "", const char *build_dir = "", UInt_t dirmode = 0);
525 virtual Int_t GetAclicProperties() const;
526 virtual const char *GetBuildArch() const;
527 virtual const char *GetBuildCompiler() const;
528 virtual const char *GetBuildCompilerVersion() const;
529 virtual const char *GetBuildCompilerVersionStr() const;
530 virtual const char *GetBuildNode() const;
531 virtual const char *GetBuildDir() const;
532 virtual const char *GetFlagsDebug() const;
533 virtual const char *GetFlagsOpt() const;
534 virtual const char *GetIncludePath();
535 virtual const char *GetLinkedLibs() const;
536 virtual const char *GetLinkdefSuffix() const;
537 virtual EAclicMode GetAclicMode() const;
538 virtual const char *GetMakeExe() const;
539 virtual const char *GetMakeSharedLib() const;
540 virtual const char *GetSoExt() const;
541 virtual const char *GetObjExt() const;
542 virtual void SetBuildDir(const char* build_dir, Bool_t isflat = kFALSE);
543 virtual void SetFlagsDebug(const char *);
544 virtual void SetFlagsOpt(const char *);
545 virtual void SetIncludePath(const char *includePath);
546 virtual void SetMakeExe(const char *directives);
547 virtual void SetAclicMode(EAclicMode mode);
548 virtual void SetMakeSharedLib(const char *directives);
549 virtual void SetLinkedLibs(const char *linkedLibs);
550 virtual void SetLinkdefSuffix(const char *suffix);
551 virtual void SetSoExt(const char *soExt);
552 virtual void SetObjExt(const char *objExt);
553 virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const;
554 virtual void CleanCompiledMacros();
555
556 ClassDef(TSystem,0) //ABC defining a generic interface to the OS
557};
558
560R__EXTERN TFileHandler *gXDisplay; // Display server (X11) input event handler
561
562
563#endif
int Int_t
Definition: CPyCppyy.h:43
unsigned int UInt_t
Definition: CPyCppyy.h:44
long Long_t
Definition: CPyCppyy.h:50
#define R__EXTERN
Definition: DllImport.h:27
typedef void(GLAPIENTRYP _GLUfuncptr)(void)
#define h(i)
Definition: RSha256.hxx:106
size_t size(const MatrixT &matrix)
retrieve the size of a square matrix
const Bool_t kFALSE
Definition: RtypesCore.h:101
bool Bool_t
Definition: RtypesCore.h:63
float Float_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:325
#define BIT(n)
Definition: Rtypes.h:85
ESignals
R__EXTERN const char * gProgName
Definition: TSystem.h:242
Bool_t R_ISFIFO(Int_t mode)
Definition: TSystem.h:120
Bool_t R_ISOFF(Int_t mode)
Definition: TSystem.h:122
R__EXTERN TVirtualMutex * gSystemMutex
Definition: TSystem.h:244
ESockOptions
Definition: TSystem.h:215
@ kKeepAlive
Definition: TSystem.h:219
@ kBytesToRead
Definition: TSystem.h:225
@ kReuseAddr
Definition: TSystem.h:220
@ kNoBlock
Definition: TSystem.h:222
@ kSendBuffer
Definition: TSystem.h:216
@ kNoDelay
Definition: TSystem.h:221
@ kOobInline
Definition: TSystem.h:218
@ kRecvBuffer
Definition: TSystem.h:217
@ kProcessGroup
Definition: TSystem.h:223
@ kAtMark
Definition: TSystem.h:224
ESendRecvOptions
Definition: TSystem.h:228
@ kDontBlock
Definition: TSystem.h:232
@ kDefault
Definition: TSystem.h:229
@ kPeek
Definition: TSystem.h:231
@ kOob
Definition: TSystem.h:230
void(* Func_t)()
Definition: TSystem.h:238
Bool_t R_ISSOCK(Int_t mode)
Definition: TSystem.h:121
Bool_t R_ISBLK(Int_t mode)
Definition: TSystem.h:117
R__EXTERN const char * gRootDir
Definition: TSystem.h:241
EAccessMode
Definition: TSystem.h:43
@ kFileExists
Definition: TSystem.h:44
@ kExecutePermission
Definition: TSystem.h:45
@ kReadPermission
Definition: TSystem.h:47
@ kWritePermission
Definition: TSystem.h:46
Bool_t R_ISREG(Int_t mode)
Definition: TSystem.h:118
Bool_t R_ISLNK(Int_t mode)
Definition: TSystem.h:119
ELogFacility
Definition: TSystem.h:66
@ kLogLocal2
Definition: TSystem.h:69
@ kLogLocal6
Definition: TSystem.h:73
@ kLogLocal4
Definition: TSystem.h:71
@ kLogLocal5
Definition: TSystem.h:72
@ kLogLocal0
Definition: TSystem.h:67
@ kLogLocal3
Definition: TSystem.h:70
@ kLogLocal1
Definition: TSystem.h:68
@ kLogLocal7
Definition: TSystem.h:74
ELogLevel
Definition: TSystem.h:55
@ kLogWarning
Definition: TSystem.h:60
@ kLogEmerg
Definition: TSystem.h:56
@ kLogAlert
Definition: TSystem.h:57
@ kLogNotice
Definition: TSystem.h:61
@ kLogInfo
Definition: TSystem.h:62
@ kLogCrit
Definition: TSystem.h:58
@ kLogErr
Definition: TSystem.h:59
@ kLogDebug
Definition: TSystem.h:63
Bool_t R_ISDIR(Int_t mode)
Definition: TSystem.h:115
R__EXTERN TSystem * gSystem
Definition: TSystem.h:559
EFpeMask
Definition: TSystem.h:77
@ kDivByZero
Definition: TSystem.h:80
@ kInexact
Definition: TSystem.h:83
@ kNoneMask
Definition: TSystem.h:78
@ kInvalid
Definition: TSystem.h:79
@ kUnderflow
Definition: TSystem.h:82
@ kOverflow
Definition: TSystem.h:81
@ kAllMask
Definition: TSystem.h:85
@ kDefaultMask
Definition: TSystem.h:84
R__EXTERN TFileHandler * gXDisplay
Definition: TSystem.h:560
R__EXTERN const char * gProgPath
Definition: TSystem.h:243
ELogOption
Definition: TSystem.h:50
@ kLogPid
Definition: TSystem.h:51
@ kLogCons
Definition: TSystem.h:52
Bool_t R_ISCHR(Int_t mode)
Definition: TSystem.h:116
EFileModeMask
Definition: TSystem.h:88
@ kS_IRWXG
Definition: TSystem.h:105
@ kS_IRGRP
Definition: TSystem.h:106
@ kS_IWUSR
Definition: TSystem.h:103
@ kS_IFDIR
Definition: TSystem.h:95
@ kS_ISUID
Definition: TSystem.h:98
@ kS_IFCHR
Definition: TSystem.h:96
@ kS_IRUSR
Definition: TSystem.h:102
@ kS_IXOTH
Definition: TSystem.h:112
@ kS_ISGID
Definition: TSystem.h:99
@ kS_IROTH
Definition: TSystem.h:110
@ kS_IFMT
Definition: TSystem.h:89
@ kS_IWGRP
Definition: TSystem.h:107
@ kS_IXUSR
Definition: TSystem.h:104
@ kS_IFBLK
Definition: TSystem.h:94
@ kS_ISVTX
Definition: TSystem.h:100
@ kS_IFSOCK
Definition: TSystem.h:90
@ kS_IFOFF
Definition: TSystem.h:92
@ kS_IFREG
Definition: TSystem.h:93
@ kS_IRWXU
Definition: TSystem.h:101
@ kS_IWOTH
Definition: TSystem.h:111
@ kS_IRWXO
Definition: TSystem.h:109
@ kS_IFIFO
Definition: TSystem.h:97
@ kS_IXGRP
Definition: TSystem.h:108
@ kS_IFLNK
Definition: TSystem.h:91
const char * proto
Definition: civetweb.c:16604
This class represents an Internet Protocol (IP) address.
Definition: TInetAddress.h:36
A doubly linked list.
Definition: TList.h:44
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
Mother of all ROOT objects.
Definition: TObject.h:37
TProcessEventTimer(Long_t delay)
Create async event processor timer. Delay is in milliseconds.
Definition: TSystem.cxx:80
Bool_t Notify()
Notify when timer times out.
Definition: TSystem.h:260
Bool_t ProcessEvents()
Process events if timer did time out.
Definition: TSystem.cxx:91
Sequenceable collection abstract base class.
Basic string class.
Definition: TString.h:136
Abstract base class defining a generic interface to the underlying Operating System.
Definition: TSystem.h:266
TString fListPaths
Definition: TSystem.h:310
virtual void NotifyApplicationCreated()
Hook to tell TSystem that the TApplication object has been created.
Definition: TSystem.cxx:314
virtual const char * GetBuildNode() const
Return the build node name.
Definition: TSystem.cxx:3894
virtual int Umask(Int_t mask)
Set the process file creation mode mask.
Definition: TSystem.cxx:1515
virtual int SendBuf(int sock, const void *buffer, int length)
Send a buffer headed by a length indicator.
Definition: TSystem.cxx:2433
virtual int GetServiceByName(const char *service)
Get port # of internet service.
Definition: TSystem.cxx:2324
virtual Bool_t IsFileInIncludePath(const char *name, char **fullpath=nullptr)
Return true if 'name' is a file that can be found in the ROOT include path or the current directory.
Definition: TSystem.cxx:967
virtual void Unload(const char *module)
Unload a shared library.
Definition: TSystem.cxx:2050
virtual const char * GetMakeSharedLib() const
Return the command line use to make a shared library.
Definition: TSystem.cxx:3943
virtual int AnnounceUdpService(int port, int backlog)
Announce UDP service.
Definition: TSystem.cxx:2360
virtual TSeqCollection * GetListOfStdExceptionHandlers() const
Definition: TSystem.h:384
Bool_t fInControl
Definition: TSystem.h:290
TSeqCollection * fFileHandler
Definition: TSystem.h:296
Int_t fAclicProperties
Definition: TSystem.h:319
Int_t fMaxrfd
Definition: TSystem.h:281
virtual void AddFileHandler(TFileHandler *fh)
Add a file handler to the list of system file handlers.
Definition: TSystem.cxx:557
TString & GetLastErrorString()
Return the thread local storage for the custom last error message.
Definition: TSystem.cxx:2108
virtual void AddLinkedLibs(const char *linkedLib)
Add linkedLib to already set linked libs.
Definition: TSystem.cxx:4153
virtual Int_t RedirectOutput(const char *name, const char *mode="a", RedirectHandle_t *h=nullptr)
Redirect standard output (stdout, stderr) to the specified file.
Definition: TSystem.cxx:1713
virtual const char * GetBuildCompilerVersion() const
Return the build compiler version.
Definition: TSystem.cxx:3878
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:579
Bool_t cd(const char *path)
Definition: TSystem.h:421
virtual TInetAddress GetSockName(int sock)
Get Internet Protocol (IP) address of host and port #.
Definition: TSystem.cxx:2315
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:1472
virtual Func_t DynFindSymbol(const char *module, const char *entry)
Find specific entry point in specified library.
Definition: TSystem.cxx:2042
virtual const char * GetLinkedLibs() const
Return the list of library linked to this executable.
Definition: TSystem.cxx:3979
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:327
Bool_t InControl() const
Definition: TSystem.h:366
Int_t fBeepDuration
Definition: TSystem.h:288
virtual void IgnoreInterrupt(Bool_t ignore=kTRUE)
If ignore is true ignore the interrupt signal, else restore previous behaviour.
Definition: TSystem.cxx:605
virtual void Syslog(ELogLevel level, const char *mess)
Send mess to syslog daemon.
Definition: TSystem.cxx:1684
virtual int Symlink(const char *from, const char *to)
Create a symbolic link from file1 to file2.
Definition: TSystem.cxx:1368
virtual void SetAclicMode(EAclicMode mode)
AclicMode indicates whether the library should be built in debug mode or optimized.
Definition: TSystem.cxx:4060
static void ResetErrno()
Static function resetting system error number.
Definition: TSystem.cxx:279
virtual UInt_t LoadAllLibraries()
Load all libraries known to ROOT via the rootmap system.
Definition: TSystem.cxx:1968
virtual void SetObjExt(const char *objExt)
Set object files extension, should be either .o, .obj, etc.
Definition: TSystem.cxx:4227
virtual void SetLinkdefSuffix(const char *suffix)
The 'suffix' will be appended to the name of a script loaded by ACLiC and used to locate any eventual...
Definition: TSystem.cxx:4210
TSeqCollection * fHelpers
Definition: TSystem.h:321
virtual Bool_t ExpandPathName(TString &path)
Expand a pathname getting rid of special shell characters like ~.
Definition: TSystem.cxx:1274
virtual TSeqCollection * GetListOfSignalHandlers() const
Definition: TSystem.h:378
virtual const char * GetBuildDir() const
Return the path of the build directory.
Definition: TSystem.cxx:3902
virtual void Openlog(const char *name, Int_t options, ELogFacility facility)
Open connection to system log daemon.
Definition: TSystem.cxx:1675
static Int_t GetErrno()
Static function returning system error number.
Definition: TSystem.cxx:263
virtual void AddIncludePath(const char *includePath)
Add a directory to the already set include path.
Definition: TSystem.cxx:4142
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:1506
virtual Int_t GetEffectiveGid()
Returns the effective group id.
Definition: TSystem.cxx:1589
EAclicMode
Definition: TSystem.h:269
@ kDefault
Definition: TSystem.h:269
@ kDebug
Definition: TSystem.h:269
@ kOpt
Definition: TSystem.h:269
virtual ~TSystem()
Delete the OS interface.
Definition: TSystem.cxx:138
virtual void SetDisplay()
Set DISPLAY environment variable based on utmp entry. Only for UNIX.
Definition: TSystem.cxx:234
TFdSet * fReadmask
Definition: TSystem.h:275
TString fWdpath
Definition: TSystem.h:284
virtual const char * DirName(const char *pathname)
Return the directory name in pathname.
Definition: TSystem.cxx:1007
virtual void FreeDirectory(void *dirp)
Free a directory.
Definition: TSystem.cxx:846
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:4048
void RemoveOnExit(TObject *obj)
Objects that should be deleted on exit of the OS interface.
Definition: TSystem.cxx:295
TSeqCollection * fStdExceptionHandler
Definition: TSystem.h:297
virtual char * GetServiceByPort(int port)
Get name of internet service.
Definition: TSystem.cxx:2333
virtual void * OpenDirectory(const char *name)
Open a directory. Returns 0 if directory does not exist.
Definition: TSystem.cxx:837
virtual int GetPid()
Get process id.
Definition: TSystem.cxx:710
virtual int RecvBuf(int sock, void *buffer, int length)
Receive a buffer headed by a length indicator.
Definition: TSystem.cxx:2424
TString fHostname
Definition: TSystem.h:285
virtual int CopyFile(const char *from, const char *to, Bool_t overwrite=kFALSE)
Copy a file.
Definition: TSystem.cxx:1341
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:497
virtual int SetSockOpt(int sock, int kind, int val)
Set socket option.
Definition: TSystem.cxx:2442
virtual const char * Getenv(const char *env)
Get environment variable.
Definition: TSystem.cxx:1663
virtual TStdExceptionHandler * RemoveStdExceptionHandler(TStdExceptionHandler *eh)
Remove an exception handler from list of exception handlers.
Definition: TSystem.cxx:624
virtual const char * GetIncludePath()
Get the list of include path.
Definition: TSystem.cxx:3960
virtual int AcceptConnection(int sock)
Accept a connection.
Definition: TSystem.cxx:2387
virtual Int_t GetAclicProperties() const
Return the ACLiC properties field.
Definition: TSystem.cxx:3854
virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const
This method split a filename of the form:
Definition: TSystem.cxx:4241
TFdSet * fWritemask
Files that should be checked for read events.
Definition: TSystem.h:276
TString fListLibs
Definition: TSystem.h:300
virtual void ResetTimer(TTimer *)
Definition: TSystem.h:395
TFdSet * fSignals
Files with writes waiting.
Definition: TSystem.h:279
virtual void ShowOutput(RedirectHandle_t *h)
Display the content associated with the redirection described by the opaque handle 'h'.
Definition: TSystem.cxx:1723
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 UserGroup_t * GetGroupInfo(Int_t gid)
Returns all group info in the UserGroup_t structure.
Definition: TSystem.cxx:1623
virtual void CleanCompiledMacros()
Remove the shared libs produced by the CompileMacro() function.
Definition: TSystem.cxx:4351
virtual Bool_t IsPathLocal(const char *path)
Returns TRUE if the url in 'path' points to the local file system.
Definition: TSystem.cxx:1305
TString fMakeExe
Definition: TSystem.h:317
virtual TSeqCollection * GetListOfFileHandlers() const
Definition: TSystem.h:381
virtual const char * FindFile(const char *search, TString &file, EAccessMode mode=kFileExists)
Find location of file in a search path.
Definition: TSystem.cxx:1536
virtual int mkdir(const char *name, Bool_t recursive=kFALSE)
Make a file system directory.
Definition: TSystem.cxx:907
void GetBeepDefaults(Int_t &freq, Int_t &duration) const
Definition: TSystem.h:359
virtual int MakeDirectory(const char *name)
Make a directory.
Definition: TSystem.cxx:828
TString fBuildCompilerVersionStr
Definition: TSystem.h:305
virtual const char * ExpandFileName(const char *fname)
Expand a pathname getting rid of special shell characters like ~.
Definition: TSystem.cxx:1098
TSystem(const TSystem &)=delete
EAclicMode fAclicMode
Definition: TSystem.h:315
virtual TInetAddress GetPeerName(int sock)
Get Internet Protocol (IP) address of remote host and port #.
Definition: TSystem.cxx:2306
const char * pwd()
Definition: TSystem.h:422
virtual TTime Now()
Get current time in milliseconds since 0:00 Jan 1 1995.
Definition: TSystem.cxx:466
virtual Int_t Exec(const char *shellcmd)
Execute a command.
Definition: TSystem.cxx:656
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:2464
TString fFlagsOpt
Definition: TSystem.h:309
virtual int GetMemInfo(MemInfo_t *info) const
Returns ram and swap memory usage info into the MemInfo_t structure.
Definition: TSystem.cxx:2485
virtual EAclicMode GetAclicMode() const
AclicMode indicates whether the library should be built in debug mode or optimized.
Definition: TSystem.cxx:3934
virtual const char * GetLinkedLibraries()
Get list of shared libraries loaded at the start of the executable.
Definition: TSystem.cxx:2126
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:4177
virtual TFileHandler * RemoveFileHandler(TFileHandler *fh)
Remove a file handler from the list of file handlers.
Definition: TSystem.cxx:567
TString fLinkedLibs
Definition: TSystem.h:312
Int_t fSigcnt
Definition: TSystem.h:283
virtual int Load(const char *module, const char *entry="", Bool_t system=kFALSE)
Load a shared library.
Definition: TSystem.cxx:1855
virtual void ListSymbols(const char *module, const char *re="")
List symbols in a shared library.
Definition: TSystem.cxx:2062
virtual void DoBeep(Int_t=-1, Int_t=-1) const
Definition: TSystem.h:332
TString fObjExt
Definition: TSystem.h:314
TString fLinkdefSuffix
Definition: TSystem.h:318
Int_t fBeepFreq
Definition: TSystem.h:287
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:2475
EAclicProperties
Definition: TSystem.h:270
@ kFlatBuildDir
Definition: TSystem.h:271
virtual void ListLibraries(const char *regexp="")
List all loaded shared libraries.
Definition: TSystem.cxx:2071
virtual FILE * OpenPipe(const char *command, const char *mode)
Open a pipe.
Definition: TSystem.cxx:665
virtual TList * GetVolumes(Option_t *) const
Definition: TSystem.h:453
virtual void SetMakeSharedLib(const char *directives)
Directives should contain the description on how to compile and link a shared lib.
Definition: TSystem.cxx:4128
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 void InnerLoop()
Inner event loop.
Definition: TSystem.cxx:403
TSystem & operator=(const TSystem &)=delete
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 int OpenConnection(const char *server, int port, int tcpwindowsize=-1, const char *protocol="tcp")
Open a connection to another host.
Definition: TSystem.cxx:2342
virtual FILE * TempFileName(TString &base, const char *dir=nullptr)
Create a secure temporary file by appending a unique 6 letter string to base.
Definition: TSystem.cxx:1497
virtual const char * GetDirEntry(void *dirp)
Get a directory entry. Returns 0 if no more entries.
Definition: TSystem.cxx:854
const char * GetErrorStr() const
Definition: TSystem.h:350
virtual void IgnoreSignal(ESignals sig, Bool_t ignore=kTRUE)
If ignore is true ignore the specified signal, else restore previous behaviour.
Definition: TSystem.cxx:596
virtual void Run()
System event loop.
Definition: TSystem.cxx:346
virtual int GetSockOpt(int sock, int kind, int *val)
Get socket option.
Definition: TSystem.cxx:2451
virtual void ExitLoop()
Exit from event loop.
Definition: TSystem.cxx:395
virtual Bool_t ChangeDirectory(const char *path)
Change directory.
Definition: TSystem.cxx:863
virtual std::string GetHomeDirectory(const char *userName=nullptr) const
Return the user's home directory.
Definition: TSystem.cxx:896
virtual int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize=-1)
Announce TCP/IP service.
Definition: TSystem.cxx:2351
virtual const char * UnixPathName(const char *unixpathname)
Convert from a local pathname to a Unix pathname.
Definition: TSystem.cxx:1063
virtual int RecvRaw(int sock, void *buffer, int length, int flag)
Receive exactly length bytes into buffer.
Definition: TSystem.cxx:2405
virtual Bool_t Init()
Initialize the OS interface.
Definition: TSystem.cxx:182
virtual void AddTimer(TTimer *t)
Add timer to list of system timers.
Definition: TSystem.cxx:474
virtual int GetProcInfo(ProcInfo_t *info) const
Returns cpu and memory used by this process into the ProcInfo_t structure.
Definition: TSystem.cxx:2495
virtual const char * GetBuildCompilerVersionStr() const
Return the build compiler version identifier string.
Definition: TSystem.cxx:3886
TFdSet * fWriteready
Files with reads waiting.
Definition: TSystem.h:278
virtual void DispatchOneEvent(Bool_t pendingOnly=kFALSE)
Dispatch a single event.
Definition: TSystem.cxx:432
virtual int Rename(const char *from, const char *to)
Rename a file.
Definition: TSystem.cxx:1350
virtual int ClosePipe(FILE *pipe)
Close the pipe.
Definition: TSystem.cxx:674
virtual const char * BaseName(const char *pathname)
Base name of a file name. Base name of /user/root is root.
Definition: TSystem.cxx:935
TString fBuildArch
Definition: TSystem.h:302
virtual void AddSignalHandler(TSignalHandler *sh)
Add a signal handler to list of system signal handlers.
Definition: TSystem.cxx:535
virtual const char * GetDynamicPath()
Return the dynamic path (used to find shared libraries).
Definition: TSystem.cxx:1793
TSeqCollection * fSignalHandler
Definition: TSystem.h:295
virtual const char * GetMakeExe() const
Return the command line use to make an executable.
Definition: TSystem.cxx:3952
virtual const char * FindDynamicLibrary(TString &lib, Bool_t quiet=kFALSE)
Find a dynamic library using the system search paths.
Definition: TSystem.cxx:2032
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:4039
virtual void Exit(int code, Bool_t mode=kTRUE)
Exit the application.
Definition: TSystem.cxx:719
virtual Int_t GetGid(const char *group=nullptr)
Returns the group's id. If group = 0, returns current user's group.
Definition: TSystem.cxx:1579
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:4076
TFdSet * fReadready
Files that should be checked for write events.
Definition: TSystem.h:277
TSeqCollection * fCompiled
Definition: TSystem.h:320
virtual TString GetFromPipe(const char *command)
Execute command and return output in TString.
Definition: TSystem.cxx:683
TString fBuildCompilerVersion
Definition: TSystem.h:304
TSystem * FindHelper(const char *path, void *dirptr=nullptr)
Create helper TSystem to handle file and directory operations that might be special for remote file a...
Definition: TSystem.cxx:747
virtual const char * GetFlagsDebug() const
Return the debug flags.
Definition: TSystem.cxx:3914
virtual const char * HostName()
Return the system's host name.
Definition: TSystem.cxx:306
Bool_t fDone
Definition: TSystem.h:291
TList * fTimers
Definition: TSystem.h:294
Int_t fNfd
Signals that were trapped.
Definition: TSystem.h:280
virtual void Unsetenv(const char *name)
Unset environment variable.
Definition: TSystem.cxx:1655
virtual Bool_t IsAbsoluteFileName(const char *dir)
Return true if dir is an absolute pathname.
Definition: TSystem.cxx:952
virtual void AddDynamicPath(const char *pathname)
Add a new directory to the dynamic path.
Definition: TSystem.cxx:1785
virtual Int_t Select(TList *active, Long_t timeout)
Select on active file descriptors (called by TMonitor).
Definition: TSystem.cxx:448
std::atomic< Bool_t > fInsideNotify
Definition: TSystem.h:286
TSeqCollection * fOnExitList
Definition: TSystem.h:298
virtual const char * GetObjExt() const
Get the object file extension.
Definition: TSystem.cxx:4008
virtual int AnnounceUnixService(int port, int backlog)
Announce unix domain service.
Definition: TSystem.cxx:2369
TString fIncludePath
Definition: TSystem.h:311
virtual Int_t GetUid(const char *user=nullptr)
Returns the user's id. If user = 0, returns current user's id.
Definition: TSystem.cxx:1560
virtual Int_t GetEffectiveUid()
Returns the effective user id.
Definition: TSystem.cxx:1570
TString fFlagsDebug
Definition: TSystem.h:308
virtual const char * GetLinkdefSuffix() const
Return the linkdef suffix chosen by the user for ACLiC.
Definition: TSystem.cxx:3988
virtual void SetDynamicPath(const char *pathname)
Set the dynamic path to a new value.
Definition: TSystem.cxx:1804
TString fMakeSharedLib
Definition: TSystem.h:316
virtual void Sleep(UInt_t milliSec)
Sleep milliSec milli seconds.
Definition: TSystem.cxx:440
Int_t fMaxwfd
Definition: TSystem.h:282
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:2836
virtual const char * WorkingDirectory()
Return working directory.
Definition: TSystem.cxx:872
virtual void AddStdExceptionHandler(TStdExceptionHandler *eh)
Add an exception handler to list of system exception handlers.
Definition: TSystem.cxx:614
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 TInetAddress GetHostByName(const char *server)
Get Internet Protocol (IP) address of host.
Definition: TSystem.cxx:2297
virtual void SetProgname(const char *name)
Set the application name (from command line, argv[0]) and copy it in gProgName.
Definition: TSystem.cxx:225
virtual int SendRaw(int sock, const void *buffer, int length, int flag)
Send exactly length bytes from buffer.
Definition: TSystem.cxx:2415
virtual Int_t SetFPEMask(Int_t mask=kDefaultMask)
Set which conditions trigger a floating point exception.
Definition: TSystem.cxx:645
Int_t fLevel
Definition: TSystem.h:292
virtual const char * GetBuildCompiler() const
Return the build compiler.
Definition: TSystem.cxx:3870
virtual void CloseConnection(int sock, Bool_t force=kFALSE)
Close socket connection.
Definition: TSystem.cxx:2396
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:2142
TString fBuildDir
Definition: TSystem.h:307
void SetErrorStr(const char *errstr)
Set the system error string.
Definition: TSystem.cxx:244
virtual TSignalHandler * RemoveSignalHandler(TSignalHandler *sh)
Remove a signal handler from list of signal handlers.
Definition: TSystem.cxx:545
virtual void SetSoExt(const char *soExt)
Set shared library extension, should be either .so, .sl, .a, .dll, etc.
Definition: TSystem.cxx:4219
virtual void Closelog()
Close connection to system log daemon.
Definition: TSystem.cxx:1692
TString fBuildCompiler
Definition: TSystem.h:303
virtual void * GetDirPtr() const
Definition: TSystem.h:414
virtual void Setenv(const char *name, const char *value)
Set environment variable.
Definition: TSystem.cxx:1647
virtual const char * GetBuildArch() const
Return the build architecture.
Definition: TSystem.cxx:3862
virtual int Link(const char *from, const char *to)
Create a link from file1 to file2.
Definition: TSystem.cxx:1359
virtual void SigAlarmInterruptsSyscalls(Bool_t)
Definition: TSystem.h:330
virtual const char * HomeDirectory(const char *userName=nullptr)
Return the user's home directory.
Definition: TSystem.cxx:888
virtual void SetLinkedLibs(const char *linkedLibs)
LinkedLibs should contain the library directory and list of libraries needed to recreate the current ...
Definition: TSystem.cxx:4188
virtual std::string GetWorkingDirectory() const
Return working directory.
Definition: TSystem.cxx:880
TString fSoExt
Definition: TSystem.h:313
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:4026
static const char * StripOffProto(const char *path, const char *proto)
Strip off protocol string from specified path.
Definition: TSystem.cxx:116
virtual void Abort(int code=0)
Abort the application.
Definition: TSystem.cxx:727
virtual Bool_t ProcessEvents()
Process pending events (GUI, timers, sockets).
Definition: TSystem.cxx:419
virtual const char * GetSoExt() const
Get the shared library extension.
Definition: TSystem.cxx:4000
virtual int Utime(const char *file, Long_t modtime, Long_t actime)
Set the a files modification and access times.
Definition: TSystem.cxx:1525
virtual const char * GetError()
Return system error string.
Definition: TSystem.cxx:253
virtual TTimer * RemoveTimer(TTimer *t)
Remove timer from list of system timers.
Definition: TSystem.cxx:484
virtual TString GetDirName(const char *pathname)
Return the directory name in pathname.
Definition: TSystem.cxx:1032
virtual Int_t GetFPEMask()
Return the bitmap of conditions that trigger a floating point exception.
Definition: TSystem.cxx:635
virtual int Unlink(const char *name)
Unlink, i.e.
Definition: TSystem.cxx:1381
virtual void StackTrace()
Print a stack trace.
Definition: TSystem.cxx:735
virtual UserGroup_t * GetUserInfo(Int_t uid)
Returns all user info in the UserGroup_t structure.
Definition: TSystem.cxx:1599
virtual void ResetSignals()
Reset signals handlers to previous behaviour.
Definition: TSystem.cxx:587
TString fBuildNode
Definition: TSystem.h:306
virtual const char * TempDirectory() const
Return a user configured or systemwide directory to create temporary files in.
Definition: TSystem.cxx:1482
virtual const char * GetFlagsOpt() const
Return the optimization flags.
Definition: TSystem.cxx:3922
virtual TList * GetListOfTimers() const
Definition: TSystem.h:392
virtual Bool_t ConsistentWith(const char *path, void *dirptr=nullptr)
Check consistency of this helper with the one required by 'path' or 'dirptr'.
Definition: TSystem.cxx:805
char * DynamicPathName(const char *lib, Bool_t quiet=kFALSE)
Find a dynamic library called lib using the system search paths.
Definition: TSystem.cxx:2018
Basic time type with millisecond precision.
Definition: TTime.h:27
Handles synchronous and a-synchronous timer events.
Definition: TTimer.h:51
This class implements a mutex interface.
Definition: TVirtualMutex.h:32
long long Long64_t
Definition: cpp_cppyy.h:13
const Int_t n
Definition: legend1.C:16
static const std::string name("name")
Definition: file.py:1
virtual ~CpuInfo_t()
Definition: TSystem.h:175
Float_t fIdle
Definition: TSystem.h:172
Float_t fLoad15m
Definition: TSystem.h:168
Float_t fUser
Definition: TSystem.h:169
Float_t fLoad1m
Definition: TSystem.h:166
CpuInfo_t()
Definition: TSystem.h:173
Float_t fSys
Definition: TSystem.h:170
Float_t fTotal
Definition: TSystem.h:171
Float_t fLoad5m
Definition: TSystem.h:167
Int_t fMode
Definition: TSystem.h:127
Long64_t fSize
Definition: TSystem.h:130
FileStat_t()
Definition: TSystem.h:134
Long_t fDev
Definition: TSystem.h:125
TString fUrl
Definition: TSystem.h:133
Int_t fGid
Definition: TSystem.h:129
Long_t fMtime
Definition: TSystem.h:131
Long_t fIno
Definition: TSystem.h:126
Bool_t fIsLink
Definition: TSystem.h:132
Int_t fUid
Definition: TSystem.h:128
virtual ~MemInfo_t()
Definition: TSystem.h:188
Int_t fSwapTotal
Definition: TSystem.h:183
Int_t fSwapFree
Definition: TSystem.h:185
Int_t fMemFree
Definition: TSystem.h:182
Int_t fMemUsed
Definition: TSystem.h:181
Int_t fSwapUsed
Definition: TSystem.h:184
Int_t fMemTotal
Definition: TSystem.h:180
MemInfo_t()
Definition: TSystem.h:186
Long_t fMemVirtual
Definition: TSystem.h:196
virtual ~ProcInfo_t()
Definition: TSystem.cxx:74
Float_t fCpuSys
Definition: TSystem.h:194
Long_t fMemResident
Definition: TSystem.h:195
ProcInfo_t()
Definition: TSystem.h:197
Float_t fCpuUser
Definition: TSystem.h:193
TString fStdErrTty
Definition: TSystem.h:206
Int_t fStdOutDup
Definition: TSystem.h:207
Int_t fReadOffSet
Definition: TSystem.h:209
RedirectHandle_t(const char *n=nullptr)
Definition: TSystem.h:210
TString fFile
Definition: TSystem.h:204
void Reset()
Definition: TSystem.h:211
Int_t fStdErrDup
Definition: TSystem.h:208
TString fStdOutTty
Definition: TSystem.h:205
SysInfo_t()
Definition: TSystem.h:159
Int_t fCpuSpeed
Definition: TSystem.h:155
Int_t fL2Cache
Definition: TSystem.h:157
Int_t fBusSpeed
Definition: TSystem.h:156
TString fCpuType
Definition: TSystem.h:153
Int_t fCpus
Definition: TSystem.h:154
Int_t fPhysRam
Definition: TSystem.h:158
TString fOS
Definition: TSystem.h:151
TString fModel
Definition: TSystem.h:152
virtual ~SysInfo_t()
Definition: TSystem.h:161
Int_t fGid
Definition: TSystem.h:140
TString fRealName
Definition: TSystem.h:144
TString fShell
Definition: TSystem.h:145
TString fPasswd
Definition: TSystem.h:143
TString fUser
Definition: TSystem.h:141
TString fGroup
Definition: TSystem.h:142
Int_t fUid
Definition: TSystem.h:139
UserGroup_t()
Definition: TSystem.h:146