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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 <stdio.h>
27 #include <ctype.h>
28 #include <fcntl.h>
29 #ifndef WIN32
30 #include <unistd.h>
31 #endif
32 #endif
33 
34 #include "TNamed.h"
35 #include "TString.h"
36 #include "TInetAddress.h"
37 #include "TTimer.h"
38 #include "ThreadLocalStorage.h"
39 
40 class TSeqCollection;
41 class TFdSet;
42 class TVirtualMutex;
43 
49 };
50 
51 enum ELogOption {
52  kLogPid = 0x01,
53  kLogCons = 0x02
54 };
55 
56 enum ELogLevel {
57  kLogEmerg = 0,
58  kLogAlert = 1,
59  kLogCrit = 2,
60  kLogErr = 3,
63  kLogInfo = 6,
65 };
66 
76 };
77 
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 };
88 
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 };
115 
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); }
124 
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 };
138 
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 };
150 
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
160  SysInfo_t() : fOS(), fModel(), fCpuType(), fCpus(0), fCpuSpeed(0),
161  fBusSpeed(0), fL2Cache(0), fPhysRam(0) { }
162  virtual ~SysInfo_t() { }
163  ClassDef(SysInfo_t, 1); // System information - OS, CPU, RAM.
164 };
165 
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
174  CpuInfo_t() : fLoad1m(0), fLoad5m(0), fLoad15m(0),
175  fUser(0), fSys(0), fTotal(0), fIdle(0) { }
176  virtual ~CpuInfo_t() { }
177  ClassDef(CpuInfo_t, 1); // CPU load information.
178 };
179 
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
187  MemInfo_t() : fMemTotal(0), fMemUsed(0), fMemFree(0),
188  fSwapTotal(0), fSwapUsed(0), fSwapFree(0) { }
189  virtual ~MemInfo_t() { }
190  ClassDef(MemInfo_t, 1); // Memory utilization information.
191 };
192 
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
198  ProcInfo_t() : fCpuUser(0), fCpuSys(0), fMemResident(0),
199  fMemVirtual(0) { }
200  virtual ~ProcInfo_t() { }
201  ClassDef(ProcInfo_t, 1);// System resource usage of given process.
202 };
203 
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 };
216 
217 #ifdef __CINT__
218 typedef void *Func_t;
219 #else
220 typedef void ((*Func_t)());
221 #endif
222 
223 R__EXTERN const char *gRootDir;
224 R__EXTERN const char *gProgName;
225 R__EXTERN const char *gProgPath;
227 
228 
229 //////////////////////////////////////////////////////////////////////////
230 // //
231 // Asynchronous timer used for processing pending GUI and timer events //
232 // every delay ms. Call in a tight computing loop //
233 // TProcessEventTimer::ProcessEvent(). If the timer did timeout this //
234 // call will process the pending events and return kTRUE if the //
235 // TROOT::IsInterrupted() flag is set (can be done by hitting key in //
236 // canvas or selecting canvas menu item View/Interrupt. //
237 // //
238 //////////////////////////////////////////////////////////////////////////
239 class TProcessEventTimer : public TTimer {
240 public:
241  TProcessEventTimer(Long_t delay);
242  Bool_t Notify() { return kTRUE; }
243  Bool_t ProcessEvents();
244  ClassDef(TProcessEventTimer,0) // Process pending events at fixed time intervals
245 };
246 
247 
248 class TSystem : public TNamed {
249 
250 public:
251  enum EAclicMode { kDefault, kDebug, kOpt };
253  kFlatBuildDir = BIT(0) // If set and a BuildDir is selected, then do not created subdirectories
254  };
255 
256 protected:
257  TFdSet *fReadmask; //!Files that should be checked for read events
258  TFdSet *fWritemask; //!Files that should be checked for write events
259  TFdSet *fReadready; //!Files with reads waiting
260  TFdSet *fWriteready; //!Files with writes waiting
261  TFdSet *fSignals; //!Signals that were trapped
262  Int_t fNfd; //Number of fd's in masks
263  Int_t fMaxrfd; //Largest fd in read mask
264  Int_t fMaxwfd; //Largest fd in write mask
265  Int_t fSigcnt; //Number of pending signals
266  TString fWdpath; //Working directory
267  TString fHostname; //Hostname
268  Bool_t fInsideNotify; //Used by DispatchTimers()
269  Int_t fBeepFreq; //Used by Beep()
270  Int_t fBeepDuration; //Used by Beep()
271 
272  Bool_t fInControl; //True if in eventloop
273  Bool_t fDone; //True if eventloop should be finished
274  Int_t fLevel; //Level of nested eventloops
275 
276  TSeqCollection *fTimers; //List of timers
277  TSeqCollection *fSignalHandler; //List of signal handlers
278  TSeqCollection *fFileHandler; //List of file handlers
279  TSeqCollection *fStdExceptionHandler; //List of std::exception handlers
280  TSeqCollection *fOnExitList; //List of items to be cleaned-up on exit
281 
282  TString fListLibs; //List shared libraries, cache used by GetLibraries
283 
284  TString fBuildArch; //Architecure for which ROOT was built (passed to ./configure)
285  TString fBuildCompiler; // Compiler used to build this ROOT
286  TString fBuildCompilerVersion; //Compiler version used to build this ROOT
287  TString fBuildNode; //Detailed information where ROOT was built
288  TString fBuildDir; //Location where to build ACLiC shared library and use as scratch area.
289  TString fFlagsDebug; //Flags for debug compilation
290  TString fFlagsOpt; //Flags for optimized compilation
291  TString fListPaths; //List of all include (fIncludePath + interpreter include path). Cache used by GetIncludePath
292  TString fIncludePath; //Used to expand $IncludePath in the directives given to SetMakeSharedLib and SetMakeExe
293  TString fLinkedLibs; //Used to expand $LinkedLibs in the directives given to SetMakeSharedLib and SetMakeExe
294  TString fSoExt; //Extension of shared library (.so, .sl, .a, .dll, etc.)
295  TString fObjExt; //Extension of object files (.o, .obj, etc.)
296  EAclicMode fAclicMode; //Whether the compilation should be done debug or opt
297  TString fMakeSharedLib; //Directive used to build a shared library
298  TString fMakeExe; //Directive used to build an executable
299  TString fLinkdefSuffix; //Default suffix for linkdef files to be used by ACLiC (see EACLiCProperties)
300  Int_t fAclicProperties; //Various boolean flag for change ACLiC's behavior.
301  TSeqCollection *fCompiled; //List of shared libs from compiled macros to be deleted
302  TSeqCollection *fHelpers; //List of helper classes for alternative file/directory access
303 
304  TString &GetLastErrorString(); //Last system error message (thread local).
305  const TString &GetLastErrorString() const; //Last system error message (thread local).
306 
307  TSystem *FindHelper(const char *path, void *dirptr = 0);
308  virtual Bool_t ConsistentWith(const char *path, void *dirptr = 0);
309  virtual const char *ExpandFileName(const char *fname);
310  virtual Bool_t ExpandFileName(TString &fname);
312  virtual const char *GetLinkedLibraries();
313  virtual void DoBeep(Int_t /*freq*/=-1, Int_t /*duration*/=-1) const { printf("\a"); fflush(stdout); }
314 
315  static const char *StripOffProto(const char *path, const char *proto) {
316  return !strncmp(path, proto, strlen(proto)) ? path + strlen(proto) : path;
317  }
318 
319 private:
320  TSystem(const TSystem&); // not implemented
321  TSystem& operator=(const TSystem&); // not implemented
322  Bool_t ExpandFileName(const char *fname, char *xname, const int kBufSize);
323 
324 public:
325  TSystem(const char *name = "Generic", const char *title = "Generic System");
326  virtual ~TSystem();
327 
328  //---- Misc
329  virtual Bool_t Init();
330  virtual void SetProgname(const char *name);
331  virtual void SetDisplay();
332  void SetErrorStr(const char *errstr);
333  const char *GetErrorStr() const { return GetLastErrorString(); }
334  virtual const char *GetError();
335  void RemoveOnExit(TObject *obj);
336  virtual const char *HostName();
337  virtual void NotifyApplicationCreated();
338 
339  static Int_t GetErrno();
340  static void ResetErrno();
341  void Beep(Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE);
342  void GetBeepDefaults(Int_t &freq, Int_t &duration) const { freq = fBeepFreq; duration = fBeepDuration; }
343 
344  //---- EventLoop
345  virtual void Run();
346  virtual Bool_t ProcessEvents();
347  virtual void DispatchOneEvent(Bool_t pendingOnly = kFALSE);
348  virtual void ExitLoop();
349  Bool_t InControl() const { return fInControl; }
350  virtual void InnerLoop();
351  virtual Int_t Select(TList *active, Long_t timeout);
352  virtual Int_t Select(TFileHandler *fh, Long_t timeout);
353 
354  //---- Handling of system events
355  virtual void AddSignalHandler(TSignalHandler *sh);
356  virtual TSignalHandler *RemoveSignalHandler(TSignalHandler *sh);
357  virtual void ResetSignal(ESignals sig, Bool_t reset = kTRUE);
358  virtual void ResetSignals();
359  virtual void IgnoreSignal(ESignals sig, Bool_t ignore = kTRUE);
360  virtual void IgnoreInterrupt(Bool_t ignore = kTRUE);
361  virtual TSeqCollection *GetListOfSignalHandlers() const { return fSignalHandler; }
362  virtual void AddFileHandler(TFileHandler *fh);
363  virtual TFileHandler *RemoveFileHandler(TFileHandler *fh);
364  virtual TSeqCollection *GetListOfFileHandlers() const { return fFileHandler; }
365  virtual void AddStdExceptionHandler(TStdExceptionHandler *eh);
366  virtual TStdExceptionHandler *RemoveStdExceptionHandler(TStdExceptionHandler *eh);
367  virtual TSeqCollection *GetListOfStdExceptionHandlers() const { return fStdExceptionHandler; }
368 
369  //---- Floating Point Exceptions Control
370  virtual Int_t GetFPEMask();
371  virtual Int_t SetFPEMask(Int_t mask = kDefaultMask);
372 
373  //---- Time & Date
374  virtual TTime Now();
375  virtual TSeqCollection *GetListOfTimers() const { return fTimers; }
376  virtual void AddTimer(TTimer *t);
377  virtual TTimer *RemoveTimer(TTimer *t);
378  virtual void ResetTimer(TTimer *) { }
379  virtual Long_t NextTimeOut(Bool_t mode);
380  virtual void Sleep(UInt_t milliSec);
381 
382  //---- Processes
383  virtual Int_t Exec(const char *shellcmd);
384  virtual FILE *OpenPipe(const char *command, const char *mode);
385  virtual int ClosePipe(FILE *pipe);
386  virtual TString GetFromPipe(const char *command);
387  virtual void Exit(int code, Bool_t mode = kTRUE);
388  virtual void Abort(int code = 0);
389  virtual int GetPid();
390  virtual void StackTrace();
391 
392  //---- Directories
393  virtual int MakeDirectory(const char *name);
394  virtual void *OpenDirectory(const char *name);
395  virtual void FreeDirectory(void *dirp);
396  virtual const char *GetDirEntry(void *dirp);
397  virtual void *GetDirPtr() const { return 0; }
398  virtual Bool_t ChangeDirectory(const char *path);
399  virtual const char *WorkingDirectory();
400  virtual std::string GetWorkingDirectory() const;
401  virtual const char *HomeDirectory(const char *userName = 0);
402  virtual std::string GetHomeDirectory(const char *userName = 0) const;
403  virtual int mkdir(const char *name, Bool_t recursive = kFALSE);
404  Bool_t cd(const char *path) { return ChangeDirectory(path); }
405  const char *pwd() { return WorkingDirectory(); }
406  virtual const char *TempDirectory() const;
407  virtual FILE *TempFileName(TString &base, const char *dir = 0);
408 
409  //---- Paths & Files
410  virtual const char *BaseName(const char *pathname);
411  virtual const char *DirName(const char *pathname);
412  virtual char *ConcatFileName(const char *dir, const char *name);
413  virtual Bool_t IsAbsoluteFileName(const char *dir);
414  virtual Bool_t IsFileInIncludePath(const char *name, char **fullpath = 0);
415  virtual const char *PrependPathName(const char *dir, TString& name);
416  virtual Bool_t ExpandPathName(TString &path);
417  virtual char *ExpandPathName(const char *path);
418  virtual Bool_t AccessPathName(const char *path, EAccessMode mode = kFileExists);
419  virtual Bool_t IsPathLocal(const char *path);
420  virtual int CopyFile(const char *from, const char *to, Bool_t overwrite = kFALSE);
421  virtual int Rename(const char *from, const char *to);
422  virtual int Link(const char *from, const char *to);
423  virtual int Symlink(const char *from, const char *to);
424  virtual int Unlink(const char *name);
425  int GetPathInfo(const char *path, Long_t *id, Long_t *size, Long_t *flags, Long_t *modtime);
426  int GetPathInfo(const char *path, Long_t *id, Long64_t *size, Long_t *flags, Long_t *modtime);
427  virtual int GetPathInfo(const char *path, FileStat_t &buf);
428  virtual int GetFsInfo(const char *path, Long_t *id, Long_t *bsize, Long_t *blocks, Long_t *bfree);
429  virtual int Chmod(const char *file, UInt_t mode);
430  virtual int Umask(Int_t mask);
431  virtual int Utime(const char *file, Long_t modtime, Long_t actime);
432  virtual const char *UnixPathName(const char *unixpathname);
433  virtual const char *FindFile(const char *search, TString& file, EAccessMode mode = kFileExists);
434  virtual char *Which(const char *search, const char *file, EAccessMode mode = kFileExists);
435  virtual TList *GetVolumes(Option_t *) const { return 0; }
436 
437  //---- Users & Groups
438  virtual Int_t GetUid(const char *user = 0);
439  virtual Int_t GetGid(const char *group = 0);
440  virtual Int_t GetEffectiveUid();
441  virtual Int_t GetEffectiveGid();
442  virtual UserGroup_t *GetUserInfo(Int_t uid);
443  virtual UserGroup_t *GetUserInfo(const char *user = 0);
444  virtual UserGroup_t *GetGroupInfo(Int_t gid);
445  virtual UserGroup_t *GetGroupInfo(const char *group = 0);
446 
447  //---- Environment Manipulation
448  virtual void Setenv(const char *name, const char *value);
449  virtual void Unsetenv(const char *name);
450  virtual const char *Getenv(const char *env);
451 
452  //---- System Logging
453  virtual void Openlog(const char *name, Int_t options, ELogFacility facility);
454  virtual void Syslog(ELogLevel level, const char *mess);
455  virtual void Closelog();
456 
457  //---- Standard Output redirection
458  virtual Int_t RedirectOutput(const char *name, const char *mode = "a", RedirectHandle_t *h = 0);
459  virtual void ShowOutput(RedirectHandle_t *h);
460 
461  //---- Dynamic Loading
462  virtual void AddDynamicPath(const char *pathname);
463  virtual const char *GetDynamicPath();
464  virtual void SetDynamicPath(const char *pathname);
465  char *DynamicPathName(const char *lib, Bool_t quiet = kFALSE);
466  virtual const char *FindDynamicLibrary(TString& lib, Bool_t quiet = kFALSE);
467  virtual Func_t DynFindSymbol(const char *module, const char *entry);
468  virtual int Load(const char *module, const char *entry = "", Bool_t system = kFALSE);
469  virtual void Unload(const char *module);
470  virtual void ListSymbols(const char *module, const char *re = "");
471  virtual void ListLibraries(const char *regexp = "");
472  virtual const char *GetLibraries(const char *regexp = "",
473  const char *option = "",
474  Bool_t isRegexp = kTRUE);
475 
476  //---- RPC
477  virtual TInetAddress GetHostByName(const char *server);
478  virtual TInetAddress GetPeerName(int sock);
479  virtual TInetAddress GetSockName(int sock);
480  virtual int GetServiceByName(const char *service);
481  virtual char *GetServiceByPort(int port);
482  virtual int OpenConnection(const char *server, int port, int tcpwindowsize = -1, const char *protocol = "tcp");
483  virtual int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize = -1);
484  virtual int AnnounceUdpService(int port, int backlog);
485  virtual int AnnounceUnixService(int port, int backlog);
486  virtual int AnnounceUnixService(const char *sockpath, int backlog);
487  virtual int AcceptConnection(int sock);
488  virtual void CloseConnection(int sock, Bool_t force = kFALSE);
489  virtual int RecvRaw(int sock, void *buffer, int length, int flag);
490  virtual int SendRaw(int sock, const void *buffer, int length, int flag);
491  virtual int RecvBuf(int sock, void *buffer, int length);
492  virtual int SendBuf(int sock, const void *buffer, int length);
493  virtual int SetSockOpt(int sock, int kind, int val);
494  virtual int GetSockOpt(int sock, int kind, int *val);
495 
496  //---- System, CPU and Memory info
497  virtual int GetSysInfo(SysInfo_t *info) const;
498  virtual int GetCpuInfo(CpuInfo_t *info, Int_t sampleTime = 1000) const;
499  virtual int GetMemInfo(MemInfo_t *info) const;
500  virtual int GetProcInfo(ProcInfo_t *info) const;
501 
502  //---- ACLiC (Automatic Compiler of Shared Library for CINT)
503  virtual void AddIncludePath(const char *includePath);
504  virtual void AddLinkedLibs(const char *linkedLib);
505  virtual int CompileMacro(const char *filename, Option_t *opt="", const char* library_name = "", const char* build_dir = "", UInt_t dirmode = 0);
506  virtual Int_t GetAclicProperties() const;
507  virtual const char *GetBuildArch() const;
508  virtual const char *GetBuildCompiler() const;
509  virtual const char *GetBuildCompilerVersion() const;
510  virtual const char *GetBuildNode() const;
511  virtual const char *GetBuildDir() const;
512  virtual const char *GetFlagsDebug() const;
513  virtual const char *GetFlagsOpt() const;
514  virtual const char *GetIncludePath();
515  virtual const char *GetLinkedLibs() const;
516  virtual const char *GetLinkdefSuffix() const;
517  virtual EAclicMode GetAclicMode() const;
518  virtual const char *GetMakeExe() const;
519  virtual const char *GetMakeSharedLib() const;
520  virtual const char *GetSoExt() const;
521  virtual const char *GetObjExt() const;
522  virtual void SetBuildDir(const char* build_dir, Bool_t isflat = kFALSE);
523  virtual void SetFlagsDebug(const char *);
524  virtual void SetFlagsOpt(const char *);
525  virtual void SetIncludePath(const char *includePath);
526  virtual void SetMakeExe(const char *directives);
527  virtual void SetAclicMode(EAclicMode mode);
528  virtual void SetMakeSharedLib(const char *directives);
529  virtual void SetLinkedLibs(const char *linkedLibs);
530  virtual void SetLinkdefSuffix(const char *suffix);
531  virtual void SetSoExt(const char *soExt);
532  virtual void SetObjExt(const char *objExt);
533  virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const;
534  virtual void CleanCompiledMacros();
535 
536  ClassDef(TSystem,0) //ABC defining a generic interface to the OS
537 };
538 
540 R__EXTERN TFileHandler *gXDisplay; // Display server (X11) input event handler
541 
542 
543 #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
TString fStdErrTty
Definition: TSystem.h:207
TSeqCollection * fCompiled
Definition: TSystem.h:301
Float_t fLoad15m
Definition: TSystem.h:169
TString fBuildCompiler
Definition: TSystem.h:285
Bool_t fDone
Definition: TSystem.h:273
CpuInfo_t()
Definition: TSystem.h:174
Bool_t R_ISCHR(Int_t mode)
Definition: TSystem.h:117
int GetErrno()
return errno
Bool_t R_ISLNK(Int_t mode)
Definition: TSystem.h:120
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:265
Int_t fReadOffSet
Definition: TSystem.h:210
virtual ~ProcInfo_t()
Definition: TSystem.h:200
EAclicMode
Definition: TSystem.h:251
Float_t fSys
Definition: TSystem.h:171
virtual void SigAlarmInterruptsSyscalls(Bool_t)
Definition: TSystem.h:311
R__EXTERN TVirtualMutex * gSystemMutex
Definition: TSystem.h:226
virtual TSeqCollection * GetListOfFileHandlers() const
Definition: TSystem.h:364
float Float_t
Definition: RtypesCore.h:53
Int_t fLevel
Definition: TSystem.h:274
const char Option_t
Definition: RtypesCore.h:62
Int_t fBeepFreq
Definition: TSystem.h:269
TSeqCollection * fOnExitList
Definition: TSystem.h:280
TString fOS
Definition: TSystem.h:152
Int_t fUid
Definition: TSystem.h:129
TString fBuildCompilerVersion
Definition: TSystem.h:286
#define BIT(n)
Definition: Rtypes.h:75
TH1 * h
Definition: legend2.C:5
RooCmdArg Link(const char *state, RooAbsData &data)
TString fStdOutTty
Definition: TSystem.h:206
TString fBuildNode
Definition: TSystem.h:287
TString fGroup
Definition: TSystem.h:143
virtual void * GetDirPtr() const
Definition: TSystem.h:397
This class represents an Internet Protocol (IP) address.
Definition: TInetAddress.h:36
TString fWdpath
Definition: TSystem.h:266
This class implements a mutex interface.
Definition: TVirtualMutex.h:32
Int_t fStdOutDup
Definition: TSystem.h:208
EFpeMask
Definition: TSystem.h:78
Bool_t cd(const char *path)
Definition: TSystem.h:404
Basic string class.
Definition: TString.h:129
TSeqCollection * fSignalHandler
Definition: TSystem.h:277
TString fBuildArch
Definition: TSystem.h:284
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
Long_t fMtime
Definition: TSystem.h:132
virtual TSeqCollection * GetListOfTimers() const
Definition: TSystem.h:375
Basic time type with millisecond precision.
Definition: TTime.h:27
TString fModel
Definition: TSystem.h:153
Bool_t fInsideNotify
Definition: TSystem.h:268
Long64_t fSize
Definition: TSystem.h:131
Int_t fUid
Definition: TSystem.h:140
Bool_t R_ISREG(Int_t mode)
Definition: TSystem.h:119
Int_t fMode
Definition: TSystem.h:128
TSeqCollection * fStdExceptionHandler
Definition: TSystem.h:279
TString fHostname
Definition: TSystem.h:267
Sequenceable collection abstract base class.
#define ClassDef(name, id)
Definition: Rtypes.h:297
Float_t fUser
Definition: TSystem.h:170
const char * GetErrorStr() const
Definition: TSystem.h:333
Int_t fSwapFree
Definition: TSystem.h:186
TString fBuildDir
Definition: TSystem.h:288
Int_t bsize[]
Definition: SparseFit4.cxx:31
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
Int_t fMaxrfd
Definition: TSystem.h:263
TSeqCollection * fHelpers
Definition: TSystem.h:302
TString fListPaths
Definition: TSystem.h:291
TString fLinkedLibs
Definition: TSystem.h:293
R__EXTERN TFileHandler * gXDisplay
Definition: TSystem.h:540
Int_t fNfd
Signals that were trapped.
Definition: TSystem.h:262
TString fShell
Definition: TSystem.h:146
TString fRealName
Definition: TSystem.h:145
EAclicProperties
Definition: TSystem.h:252
TString fUrl
Definition: TSystem.h:134
EFileModeMask
Definition: TSystem.h:89
UserGroup_t()
Definition: TSystem.h:147
Int_t fGid
Definition: TSystem.h:130
ELogLevel
Definition: TSystem.h:56
ELogOption
Definition: TSystem.h:51
TSeqCollection * fFileHandler
Definition: TSystem.h:278
TString fLinkdefSuffix
Definition: TSystem.h:299
A doubly linked list.
Definition: TList.h:43
Float_t fLoad1m
Definition: TSystem.h:167
const char * pwd()
Definition: TSystem.h:405
Int_t fL2Cache
Definition: TSystem.h:158
R__EXTERN const char * gProgName
Definition: TSystem.h:224
Float_t fCpuUser
Definition: TSystem.h:194
ESignals
TString fUser
Definition: TSystem.h:142
void ResetErrno()
reset errno
Int_t fCpus
Definition: TSystem.h:155
Bool_t fIsLink
Definition: TSystem.h:133
R__EXTERN TSystem * gSystem
Definition: TSystem.h:539
Int_t fSwapUsed
Definition: TSystem.h:185
Long_t fMemVirtual
Definition: TSystem.h:197
void GetBeepDefaults(Int_t &freq, Int_t &duration) const
Definition: TSystem.h:342
unsigned int UInt_t
Definition: RtypesCore.h:42
static const char * StripOffProto(const char *path, const char *proto)
Definition: TSystem.h:315
virtual TSeqCollection * GetListOfSignalHandlers() const
Definition: TSystem.h:361
Handles synchronous and a-synchronous timer events.
Definition: TTimer.h:51
Float_t fLoad5m
Definition: TSystem.h:168
TString fMakeExe
Definition: TSystem.h:298
RedirectHandle_t(const char *n=0)
Definition: TSystem.h:211
virtual TSeqCollection * GetListOfStdExceptionHandlers() const
Definition: TSystem.h:367
RooCmdArg Rename(const char *suffix)
TString fListLibs
Definition: TSystem.h:282
virtual ~MemInfo_t()
Definition: TSystem.h:189
Int_t fAclicProperties
Definition: TSystem.h:300
virtual void ResetTimer(TTimer *)
Definition: TSystem.h:378
const Bool_t kFALSE
Definition: RtypesCore.h:92
long Long_t
Definition: RtypesCore.h:50
TString fPasswd
Definition: TSystem.h:144
EAclicMode fAclicMode
Definition: TSystem.h:296
TFdSet * fReadready
Files that should be checked for write events.
Definition: TSystem.h:259
R__EXTERN const char * gProgPath
Definition: TSystem.h:225
FileStat_t()
Definition: TSystem.h:135
ProcInfo_t()
Definition: TSystem.h:198
Float_t fCpuSys
Definition: TSystem.h:195
SysInfo_t()
Definition: TSystem.h:160
TFdSet * fReadmask
Definition: TSystem.h:257
ELogFacility
Definition: TSystem.h:67
TString fCpuType
Definition: TSystem.h:154
TString fObjExt
Definition: TSystem.h:295
TFdSet * fSignals
Files with writes waiting.
Definition: TSystem.h:261
EAccessMode
Definition: TSystem.h:44
void Reset()
Definition: TSystem.h:213
Binding & operator=(OUT(*fun)(void))
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:313
#define R__EXTERN
Definition: DllImport.h:27
typedef void((*Func_t)())
Int_t fMaxwfd
Definition: TSystem.h:264
TSeqCollection * fTimers
Definition: TSystem.h:276
Bool_t R_ISDIR(Int_t mode)
Definition: TSystem.h:116
Definition: file.py:1
Bool_t fInControl
Definition: TSystem.h:272
R__EXTERN const char * gRootDir
Definition: TSystem.h:223
TString fFlagsDebug
Definition: TSystem.h:289
Int_t fMemUsed
Definition: TSystem.h:182
Int_t fCpuSpeed
Definition: TSystem.h:156
virtual TList * GetVolumes(Option_t *) const
Definition: TSystem.h:435
Long_t fIno
Definition: TSystem.h:127
TString fFlagsOpt
Definition: TSystem.h:290
Bool_t R_ISBLK(Int_t mode)
Definition: TSystem.h:118
const char * proto
Definition: civetweb.c:11652
Float_t fTotal
Definition: TSystem.h:172
TString fMakeSharedLib
Definition: TSystem.h:297
Int_t fBeepDuration
Definition: TSystem.h:270
TFdSet * fWriteready
Files with reads waiting.
Definition: TSystem.h:260
Int_t fSwapTotal
Definition: TSystem.h:184
Long_t fDev
Definition: TSystem.h:126
TString fSoExt
Definition: TSystem.h:294
Abstract base class defining a generic interface to the underlying Operating System.
Definition: TSystem.h:248
Int_t fStdErrDup
Definition: TSystem.h:209
Bool_t R_ISFIFO(Int_t mode)
Definition: TSystem.h:121
TFdSet * fWritemask
Files that should be checked for read events.
Definition: TSystem.h:258
const Bool_t kTRUE
Definition: RtypesCore.h:91
Bool_t Notify()
Notify when timer times out.
Definition: TSystem.h:242
MemInfo_t()
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
TString fIncludePath
Definition: TSystem.h:292
Long_t fMemResident
Definition: TSystem.h:196
virtual ~SysInfo_t()
Definition: TSystem.h:162
Bool_t InControl() const
Definition: TSystem.h:349
virtual ~CpuInfo_t()
Definition: TSystem.h:176
Bool_t R_ISOFF(Int_t mode)
Definition: TSystem.h:123