340 TSystem(
const char *
name =
"Generic",
const char *title =
"Generic System");
398 virtual Int_t Exec(
const char *shellcmd);
399 virtual FILE *
OpenPipe(
const char *command,
const char *mode);
403 virtual void Abort(
int code = 0);
416 virtual const char *
HomeDirectory(
const char *userName =
nullptr);
425 virtual const char *
BaseName(
const char *pathname);
426 virtual const char *
DirName(
const char *pathname);
437 virtual int Rename(
const char *from,
const char *to);
438 virtual int Link(
const char *from,
const char *to);
439 virtual int Symlink(
const char *from,
const char *to);
448 virtual const char *
UnixPathName(
const char *unixpathname);
464 virtual void Setenv(
const char *
name,
const char *value);
466 virtual const char *
Getenv(
const char *env);
489 virtual const char *
GetLibraries(
const char *regexp =
"",
490 const char *option =
"",
499 virtual int OpenConnection(
const char *server,
int port,
int tcpwindowsize = -1,
const char *protocol =
"tcp");
506 virtual int RecvRaw(
int sock,
void *buffer,
int length,
int flag);
507 virtual int SendRaw(
int sock,
const void *buffer,
int length,
int flag);
508 virtual int RecvBuf(
int sock,
void *buffer,
int length);
509 virtual int SendBuf(
int sock,
const void *buffer,
int length);
510 virtual int SetSockOpt(
int sock,
int kind,
int val);
511 virtual int GetSockOpt(
int sock,
int kind,
int *val);
522 virtual int CompileMacro(
const char *filename,
Option_t *opt =
"",
const char *library_name =
"",
const char *build_dir =
"",
UInt_t dirmode = 0);
537 virtual const char *
GetSoExt()
const;
543 virtual void SetMakeExe(
const char *directives);
548 virtual void SetSoExt(
const char *soExt);
549 virtual void SetObjExt(
const char *objExt);
#define ClassDef(name, id)
R__EXTERN const char * gProgName
Bool_t R_ISFIFO(Int_t mode)
Bool_t R_ISOFF(Int_t mode)
R__EXTERN TVirtualMutex * gSystemMutex
typedef void((*Func_t)())
Bool_t R_ISSOCK(Int_t mode)
Bool_t R_ISBLK(Int_t mode)
R__EXTERN const char * gRootDir
Bool_t R_ISREG(Int_t mode)
Bool_t R_ISLNK(Int_t mode)
Bool_t R_ISDIR(Int_t mode)
R__EXTERN TSystem * gSystem
R__EXTERN TFileHandler * gXDisplay
R__EXTERN const char * gProgPath
Bool_t R_ISCHR(Int_t mode)
This class represents an Internet Protocol (IP) address.
The TNamed class is the base class for all named ROOT classes.
Mother of all ROOT objects.
TProcessEventTimer(Long_t delay)
Create async event processor timer. Delay is in milliseconds.
Bool_t Notify()
Notify when timer times out.
Bool_t ProcessEvents()
Process events if timer did time out.
Sequenceable collection abstract base class.
Abstract base class defining a generic interface to the underlying Operating System.
virtual void NotifyApplicationCreated()
Hook to tell TSystem that the TApplication object has been created.
virtual const char * GetBuildNode() const
Return the build node name.
virtual int Umask(Int_t mask)
Set the process file creation mode mask.
virtual int SendBuf(int sock, const void *buffer, int length)
Send a buffer headed by a length indicator.
virtual int GetServiceByName(const char *service)
Get port # of internet service.
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.
virtual void Unload(const char *module)
Unload a shared library.
virtual const char * GetMakeSharedLib() const
Return the command line use to make a shared library.
virtual int AnnounceUdpService(int port, int backlog)
Announce UDP service.
TSeqCollection * fFileHandler
virtual void AddFileHandler(TFileHandler *fh)
Add a file handler to the list of system file handlers.
TString & GetLastErrorString()
Return the thread local storage for the custom last error message.
virtual void AddLinkedLibs(const char *linkedLib)
Add linkedLib to already set linked libs.
virtual TSeqCollection * GetListOfTimers() const
virtual Int_t RedirectOutput(const char *name, const char *mode="a", RedirectHandle_t *h=nullptr)
Redirect standard output (stdout, stderr) to the specified file.
virtual const char * GetBuildCompilerVersion() const
Return the build compiler version.
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,...
Bool_t cd(const char *path)
virtual TInetAddress GetSockName(int sock)
Get Internet Protocol (IP) address of host and port #.
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.
virtual Func_t DynFindSymbol(const char *module, const char *entry)
Find specific entry point in specified library.
virtual const char * GetLinkedLibs() const
Return the list of library linked to this executable.
void Beep(Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE)
Beep for duration milliseconds with a tone of frequency freq.
virtual void IgnoreInterrupt(Bool_t ignore=kTRUE)
If ignore is true ignore the interrupt signal, else restore previous behaviour.
virtual void Syslog(ELogLevel level, const char *mess)
Send mess to syslog daemon.
virtual int Symlink(const char *from, const char *to)
Create a symbolic link from file1 to file2.
virtual void SetAclicMode(EAclicMode mode)
AclicMode indicates whether the library should be built in debug mode or optimized.
static void ResetErrno()
Static function resetting system error number.
virtual UInt_t LoadAllLibraries()
Load all libraries known to ROOT via the rootmap system.
virtual void * GetDirPtr() const
virtual void SetObjExt(const char *objExt)
Set object files extension, should be either .o, .obj, etc.
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...
TSeqCollection * fHelpers
virtual Bool_t ExpandPathName(TString &path)
Expand a pathname getting rid of special shell characters like ~.
virtual TSeqCollection * GetListOfStdExceptionHandlers() const
virtual const char * GetBuildDir() const
Return the path of the build directory.
virtual void Openlog(const char *name, Int_t options, ELogFacility facility)
Open connection to system log daemon.
static Int_t GetErrno()
Static function returning system error number.
virtual void AddIncludePath(const char *includePath)
Add includePath to the already set include path.
virtual int Chmod(const char *file, UInt_t mode)
Set the file permission bits. Returns -1 in case or error, 0 otherwise.
virtual Int_t GetEffectiveGid()
Returns the effective group id.
virtual ~TSystem()
Delete the OS interface.
virtual void SetDisplay()
Set DISPLAY environment variable based on utmp entry. Only for UNIX.
virtual const char * DirName(const char *pathname)
Return the directory name in pathname.
virtual void FreeDirectory(void *dirp)
Free a directory.
virtual void SetFlagsOpt(const char *)
FlagsOpt should contain the options to pass to the C++ compiler in order to compile the library in op...
TSystem & operator=(const TSystem &)=delete
void RemoveOnExit(TObject *obj)
Objects that should be deleted on exit of the OS interface.
TSeqCollection * fStdExceptionHandler
virtual char * GetServiceByPort(int port)
Get name of internet service.
virtual void * OpenDirectory(const char *name)
Open a directory. Returns 0 if directory does not exist.
virtual int GetPid()
Get process id.
virtual int RecvBuf(int sock, void *buffer, int length)
Receive a buffer headed by a length indicator.
virtual int CopyFile(const char *from, const char *to, Bool_t overwrite=kFALSE)
Copy a file.
virtual Long_t NextTimeOut(Bool_t mode)
Time when next timer of mode (synchronous=kTRUE or asynchronous=kFALSE) will time-out (in ms).
virtual int SetSockOpt(int sock, int kind, int val)
Set socket option.
virtual const char * Getenv(const char *env)
Get environment variable.
virtual TStdExceptionHandler * RemoveStdExceptionHandler(TStdExceptionHandler *eh)
Remove an exception handler from list of exception handlers.
virtual const char * GetIncludePath()
Get the list of include path.
virtual int AcceptConnection(int sock)
Accept a connection.
virtual Int_t GetAclicProperties() const
Return the ACLiC properties field.
virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const
This method split a filename of the form:
TFdSet * fWritemask
Files that should be checked for read events.
virtual void ResetTimer(TTimer *)
TFdSet * fSignals
Files with writes waiting.
virtual void ShowOutput(RedirectHandle_t *h)
Display the content associated with the redirection described by the opaque handle 'h'.
virtual char * ConcatFileName(const char *dir, const char *name)
Concatenate a directory and a file name. User must delete returned string.
virtual UserGroup_t * GetGroupInfo(Int_t gid)
Returns all group info in the UserGroup_t structure.
virtual void CleanCompiledMacros()
Remove the shared libs produced by the CompileMacro() function.
virtual Bool_t IsPathLocal(const char *path)
Returns TRUE if the url in 'path' points to the local file system.
virtual const char * FindFile(const char *search, TString &file, EAccessMode mode=kFileExists)
Find location of file in a search path.
virtual int mkdir(const char *name, Bool_t recursive=kFALSE)
Make a file system directory.
void GetBeepDefaults(Int_t &freq, Int_t &duration) const
virtual int MakeDirectory(const char *name)
Make a directory.
virtual const char * ExpandFileName(const char *fname)
Expand a pathname getting rid of special shell characters like ~.
TSystem(const TSystem &)=delete
virtual TInetAddress GetPeerName(int sock)
Get Internet Protocol (IP) address of remote host and port #.
virtual TTime Now()
Get current time in milliseconds since 0:00 Jan 1 1995.
virtual Int_t Exec(const char *shellcmd)
Execute a command.
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...
virtual int GetMemInfo(MemInfo_t *info) const
Returns ram and swap memory usage info into the MemInfo_t structure.
virtual EAclicMode GetAclicMode() const
AclicMode indicates whether the library should be built in debug mode or optimized.
virtual const char * GetLinkedLibraries()
Get list of shared libraries loaded at the start of the executable.
virtual void SetIncludePath(const char *includePath)
IncludePath should contain the list of compiler flags to indicate where to find user defined header f...
virtual TFileHandler * RemoveFileHandler(TFileHandler *fh)
Remove a file handler from the list of file handlers.
virtual int Load(const char *module, const char *entry="", Bool_t system=kFALSE)
Load a shared library.
virtual void ListSymbols(const char *module, const char *re="")
List symbols in a shared library.
virtual void DoBeep(Int_t=-1, Int_t=-1) const
virtual int GetCpuInfo(CpuInfo_t *info, Int_t sampleTime=1000) const
Returns cpu load average and load info into the CpuInfo_t structure.
virtual TSeqCollection * GetListOfFileHandlers() const
virtual void ListLibraries(const char *regexp="")
List all loaded shared libraries.
virtual FILE * OpenPipe(const char *command, const char *mode)
Open a pipe.
virtual void SetMakeSharedLib(const char *directives)
Directives should contain the description on how to compile and link a shared lib.
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.
virtual void InnerLoop()
Inner event loop.
virtual TList * GetVolumes(Option_t *) const
virtual const char * PrependPathName(const char *dir, TString &name)
Concatenate a directory and a file name.
virtual Bool_t AccessPathName(const char *path, EAccessMode mode=kFileExists)
Returns FALSE if one can access a file using the specified access mode.
virtual int OpenConnection(const char *server, int port, int tcpwindowsize=-1, const char *protocol="tcp")
Open a connection to another host.
virtual FILE * TempFileName(TString &base, const char *dir=nullptr)
Create a secure temporary file by appending a unique 6 letter string to base.
virtual const char * GetDirEntry(void *dirp)
Get a directory entry. Returns 0 if no more entries.
virtual void IgnoreSignal(ESignals sig, Bool_t ignore=kTRUE)
If ignore is true ignore the specified signal, else restore previous behaviour.
virtual void Run()
System event loop.
virtual int GetSockOpt(int sock, int kind, int *val)
Get socket option.
virtual void ExitLoop()
Exit from event loop.
virtual Bool_t ChangeDirectory(const char *path)
Change directory.
virtual std::string GetHomeDirectory(const char *userName=nullptr) const
Return the user's home directory.
virtual int AnnounceTcpService(int port, Bool_t reuse, int backlog, int tcpwindowsize=-1)
Announce TCP/IP service.
virtual const char * UnixPathName(const char *unixpathname)
Convert from a local pathname to a Unix pathname.
virtual int RecvRaw(int sock, void *buffer, int length, int flag)
Receive exactly length bytes into buffer.
virtual Bool_t Init()
Initialize the OS interface.
virtual void AddTimer(TTimer *t)
Add timer to list of system timers.
virtual int GetProcInfo(ProcInfo_t *info) const
Returns cpu and memory used by this process into the ProcInfo_t structure.
TFdSet * fWriteready
Files with reads waiting.
virtual void DispatchOneEvent(Bool_t pendingOnly=kFALSE)
Dispatch a single event.
virtual int Rename(const char *from, const char *to)
Rename a file.
virtual int ClosePipe(FILE *pipe)
Close the pipe.
virtual const char * BaseName(const char *pathname)
Base name of a file name. Base name of /user/root is root.
virtual void AddSignalHandler(TSignalHandler *sh)
Add a signal handler to list of system signal handlers.
virtual const char * GetDynamicPath()
Return the dynamic path (used to find shared libraries).
TSeqCollection * fSignalHandler
virtual const char * GetMakeExe() const
Return the command line use to make an executable.
virtual const char * FindDynamicLibrary(TString &lib, Bool_t quiet=kFALSE)
Find a dynamic library using the system search paths.
virtual void SetFlagsDebug(const char *)
FlagsDebug should contain the options to pass to the C++ compiler in order to compile the library in ...
virtual void Exit(int code, Bool_t mode=kTRUE)
Exit the application.
virtual Int_t GetGid(const char *group=nullptr)
Returns the group's id. If group = 0, returns current user's group.
virtual void SetMakeExe(const char *directives)
Directives has the same syntax as the argument of SetMakeSharedLib but is used to create an executabl...
TFdSet * fReadready
Files that should be checked for write events.
TSeqCollection * fCompiled
virtual TString GetFromPipe(const char *command)
Execute command and return output in TString.
TString fBuildCompilerVersion
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...
virtual const char * GetFlagsDebug() const
Return the debug flags.
virtual const char * HostName()
Return the system's host name.
Int_t fNfd
Signals that were trapped.
virtual void Unsetenv(const char *name)
Unset environment variable.
virtual Bool_t IsAbsoluteFileName(const char *dir)
Return true if dir is an absolute pathname.
virtual void AddDynamicPath(const char *pathname)
Add a new directory to the dynamic path.
virtual Int_t Select(TList *active, Long_t timeout)
Select on active file descriptors (called by TMonitor).
TSeqCollection * fOnExitList
virtual const char * GetObjExt() const
Get the object file extension.
virtual int AnnounceUnixService(int port, int backlog)
Announce unix domain service.
virtual Int_t GetUid(const char *user=nullptr)
Returns the user's id. If user = 0, returns current user's id.
virtual Int_t GetEffectiveUid()
Returns the effective user id.
virtual const char * GetLinkdefSuffix() const
Return the linkdef suffix chosen by the user for ACLiC.
virtual void SetDynamicPath(const char *pathname)
Set the dynamic path to a new value.
virtual void Sleep(UInt_t milliSec)
Sleep milliSec milli seconds.
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".
virtual const char * WorkingDirectory()
Return working directory.
virtual void AddStdExceptionHandler(TStdExceptionHandler *eh)
Add an exception handler to list of system exception handlers.
virtual char * Which(const char *search, const char *file, EAccessMode mode=kFileExists)
Find location of file in a search path.
virtual TInetAddress GetHostByName(const char *server)
Get Internet Protocol (IP) address of host.
virtual void SetProgname(const char *name)
Set the application name (from command line, argv[0]) and copy it in gProgName.
virtual int SendRaw(int sock, const void *buffer, int length, int flag)
Send exactly length bytes from buffer.
virtual Int_t SetFPEMask(Int_t mask=kDefaultMask)
Set which conditions trigger a floating point exception.
virtual const char * GetBuildCompiler() const
Return the build compiler.
virtual void CloseConnection(int sock, Bool_t force=kFALSE)
Close socket connection.
virtual const char * GetLibraries(const char *regexp="", const char *option="", Bool_t isRegexp=kTRUE)
Return a space separated list of loaded shared libraries.
virtual TSeqCollection * GetListOfSignalHandlers() const
void SetErrorStr(const char *errstr)
Set the system error string.
virtual TSignalHandler * RemoveSignalHandler(TSignalHandler *sh)
Remove a signal handler from list of signal handlers.
virtual void SetSoExt(const char *soExt)
Set shared library extension, should be either .so, .sl, .a, .dll, etc.
virtual void Closelog()
Close connection to system log daemon.
virtual void Setenv(const char *name, const char *value)
Set environment variable.
virtual const char * GetBuildArch() const
Return the build architecture.
virtual int Link(const char *from, const char *to)
Create a link from file1 to file2.
virtual void SigAlarmInterruptsSyscalls(Bool_t)
virtual const char * HomeDirectory(const char *userName=nullptr)
Return the user's home directory.
virtual void SetLinkedLibs(const char *linkedLibs)
LinkedLibs should contain the library directory and list of libraries needed to recreate the current ...
const char * GetErrorStr() const
virtual std::string GetWorkingDirectory() const
Return working directory.
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.
static const char * StripOffProto(const char *path, const char *proto)
Strip off protocol string from specified path.
virtual void Abort(int code=0)
Abort the application.
virtual Bool_t ProcessEvents()
Process pending events (GUI, timers, sockets).
virtual const char * GetSoExt() const
Get the shared library extension.
virtual int Utime(const char *file, Long_t modtime, Long_t actime)
Set the a files modification and access times.
virtual const char * GetError()
Return system error string.
virtual TTimer * RemoveTimer(TTimer *t)
Remove timer from list of system timers.
virtual TString GetDirName(const char *pathname)
Return the directory name in pathname.
virtual Int_t GetFPEMask()
Return the bitmap of conditions that trigger a floating point exception.
virtual int Unlink(const char *name)
Unlink, i.e.
virtual void StackTrace()
Print a stack trace.
virtual UserGroup_t * GetUserInfo(Int_t uid)
Returns all user info in the UserGroup_t structure.
virtual void ResetSignals()
Reset signals handlers to previous behaviour.
virtual const char * TempDirectory() const
Return a user configured or systemwide directory to create temporary files in.
virtual const char * GetFlagsOpt() const
Return the optimization flags.
virtual Bool_t ConsistentWith(const char *path, void *dirptr=nullptr)
Check consistency of this helper with the one required by 'path' or 'dirptr'.
char * DynamicPathName(const char *lib, Bool_t quiet=kFALSE)
Find a dynamic library called lib using the system search paths.
Basic time type with millisecond precision.
Handles synchronous and a-synchronous timer events.
This class implements a mutex interface.
RedirectHandle_t(const char *n=nullptr)