Definition at line 32 of file TUnixSystem.h.

Public Member Functions
	TUnixSystem ()

virtual	~TUnixSystem ()
	Reset to original state.

void	Abort (int code=0) override
	Abort the application.

int	AcceptConnection (int sock) override
	Accept a connection.

Bool_t	AccessPathName (const char *path, EAccessMode mode=kFileExists) override
	Returns FALSE if one can access a file using the specified access mode.

void	AddDynamicPath (const char *lib) override
	Add a new directory to the dynamic path.

void	AddFileHandler (TFileHandler *fh) override
	Add a file handler to the list of system file handlers.

void	AddSignalHandler (TSignalHandler *sh) override
	Add a signal handler to list of system signal handlers.

void	AddTimer (TTimer *ti) override
	Add timer to list of system timers.

int	AnnounceTcpService (int port, Bool_t reuse, int backlog, int tcpwindowsize=-1) override
	Announce TCP/IP service.

int	AnnounceUdpService (int port, int backlog) override
	Announce UDP service.

int	AnnounceUnixService (const char *sockpath, int backlog) override
	Announce unix domain service on path 'sockpath'.

int	AnnounceUnixService (int port, int backlog) override
	Announce unix domain service on path "kServerPath/<port>".

Bool_t	ChangeDirectory (const char *path) override
	Change directory. Returns kTRUE in case of success, kFALSE otherwise.

void	CheckChilds ()
	Check if children have finished.

Bool_t	CheckDescriptors ()
	Check if there is activity on some file descriptors and call their Notify() member.

Bool_t	CheckSignals (Bool_t sync)
	Check if some signals were raised and call their Notify() member.

int	Chmod (const char *file, UInt_t mode) override
	Set the file permission bits. Returns -1 in case or error, 0 otherwise.

void	CloseConnection (int sock, Bool_t force=kFALSE) override
	Close socket.

void	Closelog () override
	Close connection to system log daemon.

int	ClosePipe (FILE *pipe) override
	Close the pipe.

int	ConnectService (const char server, int port, int tcpwindowsize, const char protocol="tcp")
	Connect to service servicename on server servername.

int	CopyFile (const char from, const char to, Bool_t overwrite=kFALSE) override
	Copy a file.

void	DispatchOneEvent (Bool_t pendingOnly=kFALSE) override
	Dispatch a single event.

void	DispatchSignals (ESignals sig)
	Handle and dispatch signals.

Bool_t	DispatchTimers (Bool_t mode)
	Handle and dispatch timers.

Func_t	DynFindSymbol (const char module, const char entry) override
	dynamic linking of module

Int_t	Exec (const char *shellcmd) override
	Execute a command.

void	Exit (int code, Bool_t mode=kTRUE) override
	Exit the application.

char *	ExpandPathName (const char *path) override
	Expand a pathname getting rid of special shell characaters like ~.

Bool_t	ExpandPathName (TString &patbuf) override
	Expand a pathname getting rid of special shell characters like ~.

const char *	FindDynamicLibrary (TString &lib, Bool_t quiet=kFALSE) override
	Returns the path of a shared library (searches for library in the shared library search path).

const char *	FindFile (const char *search, TString &file, EAccessMode mode=kFileExists) override
	Find location of file "wfil" in a search path.

void	FreeDirectory (void *dirp) override
	Close a Unix file system directory.

int	GetCpuInfo (CpuInfo_t *info, Int_t sampleTime=1000) const override
	Returns cpu load average and load info into the CpuInfo_t structure.

Int_t	GetCryptoRandom (void *buf, Int_t len) override
	Return cryptographic random number Fill provided buffer with random values Returns number of bytes written to buffer or -1 in case of error.

const char *	GetDirEntry (void *dirp) override
	Get next Unix file system directory entry. Returns 0 if no more entries.

const char *	GetDynamicPath () override
	Return the dynamic path (used to find shared libraries).

Int_t	GetEffectiveGid () override
	Returns the effective group id.

Int_t	GetEffectiveUid () override
	Returns the effective user id.

const char *	Getenv (const char *name) override
	Get environment variable.

const char *	GetError () override
	Return system error string.

Int_t	GetFPEMask () override
	Return the bitmap of conditions that trigger a floating point exception.

int	GetFsInfo (const char path, Long_t id, Long_t bsize, Long_t blocks, Long_t *bfree) override
	Get info about a file system: id, bsize, bfree, blocks.

Int_t	GetGid (const char *group=nullptr) override
	Returns the group's id. If group = 0, returns current user's group.

UserGroup_t *	GetGroupInfo (const char *group=nullptr) override
	Returns all group info in the UserGroup_t structure.

UserGroup_t *	GetGroupInfo (Int_t gid) override
	Returns all group info in the UserGroup_t structure.

std::string	GetHomeDirectory (const char *userName=nullptr) const override
	Return the user's home directory.

TInetAddress	GetHostByName (const char *server) override
	Get Internet Protocol (IP) address of host.

int	GetMemInfo (MemInfo_t *info) const override
	Returns ram and swap memory usage info into the MemInfo_t structure.

int	GetPathInfo (const char *path, FileStat_t &buf) override
	Get info about a file.

TInetAddress	GetPeerName (int sock) override
	Get Internet Protocol (IP) address of remote host and port #.

int	GetPid () override
	Get process id.

int	GetProcInfo (ProcInfo_t *info) const override
	Returns cpu and memory used by this process into the ProcInfo_t structure.

int	GetServiceByName (const char *service) override
	Get port # of internet service.

char *	GetServiceByPort (int port) override
	Get name of internet service.

TInetAddress	GetSockName (int sock) override
	Get Internet Protocol (IP) address of host and port #.

int	GetSockOpt (int sock, int option, int *val) override
	Get socket option.

int	GetSysInfo (SysInfo_t *info) const override
	Returns static system info, like OS type, CPU type, number of CPUs RAM size, etc into the SysInfo_t structure.

Int_t	GetUid (const char *user=nullptr) override
	Returns the user's id. If user = 0, returns current user's id.

UserGroup_t *	GetUserInfo (const char *user=nullptr) override
	Returns all user info in the UserGroup_t structure.

UserGroup_t *	GetUserInfo (Int_t uid) override
	Returns all user info in the UserGroup_t structure.

std::string	GetWorkingDirectory () const override
	Return working directory.

const char *	HomeDirectory (const char *userName=nullptr) override
	Return the user's home directory.

const char *	HostName () override
	Return the system's host name.

void	IgnoreSignal (ESignals sig, Bool_t ignore=kTRUE) override
	If ignore is true ignore the specified signal, else restore previous behaviour.

Bool_t	Init () override
	Initialize Unix system interface.

TClass *	IsA () const override

Bool_t	IsPathLocal (const char *path) override
	Returns TRUE if the url in 'path' points to the local file system.

int	Link (const char from, const char to) override
	Create a link from file1 to file2.

void	ListLibraries (const char *regexp="") override
	List all loaded shared libraries.

void	ListSymbols (const char module, const char re="") override
	List symbols in a shared library.

int	Load (const char module, const char entry="", Bool_t system=kFALSE) override
	Load a shared library.

int	MakeDirectory (const char *name) override
	Make a Unix file system directory.

TTime	Now () override
	Get current time in milliseconds since 0:00 Jan 1 1995.

int	OpenConnection (const char server, int port, int tcpwindowsize=-1, const char protocol="tcp") override
	Open a connection to a service on a server.

void *	OpenDirectory (const char *name) override
	Open a Unix file system directory. Returns 0 if directory does not exist.

void	Openlog (const char *name, Int_t options, ELogFacility facility) override
	Open connection to system log daemon.

FILE *	OpenPipe (const char shellcmd, const char mode) override
	Open a pipe.

const char *	PrependPathName (const char *dir, TString &name) override
	Concatenate a directory and a file name.

int	RecvBuf (int sock, void *buffer, int length) override
	Receive a buffer headed by a length indicator.

int	RecvRaw (int sock, void *buffer, int length, int flag) override
	Receive exactly length bytes into buffer.

Int_t	RedirectOutput (const char name, const char mode="a", RedirectHandle_t *h=nullptr) override
	Redirect standard output (stdout, stderr) to the specified file.

TFileHandler *	RemoveFileHandler (TFileHandler *fh) override
	Remove a file handler from the list of file handlers.

TSignalHandler *	RemoveSignalHandler (TSignalHandler *sh) override
	Remove a signal handler from list of signal handlers.

TTimer *	RemoveTimer (TTimer *ti) override
	Remove timer from list of system timers.

int	Rename (const char from, const char to) override
	Rename a file. Returns 0 when successful, -1 in case of failure.

void	ResetSignal (ESignals sig, Bool_t reset=kTRUE) override
	If reset is true reset the signal handler for the specified signal to the default handler, else restore previous behaviour.

void	ResetSignals () override
	Reset signals handlers to previous behaviour.

void	ResetTimer (TTimer *ti) override
	Reset a-sync timer.

Int_t	Select (TFileHandler *fh, Long_t timeout) override
	Select on the file descriptor related to file handler h.

Int_t	Select (TList *active, Long_t timeout) override
	Select on file descriptors.

int	SendBuf (int sock, const void *buffer, int length) override
	Send a buffer headed by a length indicator.

int	SendRaw (int sock, const void *buffer, int length, int flag) override
	Send exactly length bytes from buffer.

void	SetDisplay () override
	Set DISPLAY environment variable based on utmp entry. Only for UNIX.

void	SetDynamicPath (const char *lib) override
	Set the dynamic path to a new value.

void	Setenv (const char name, const char value) override
	Set environment variable.

Int_t	SetFPEMask (Int_t mask=kDefaultMask) override
	Set which conditions trigger a floating point exception.

void	SetProgname (const char *name) override
	Set the application name (from command line, argv[0]) and copy it in gProgName.

int	SetSockOpt (int sock, int option, int val) override
	Set socket option.

void	SigAlarmInterruptsSyscalls (Bool_t set) override
	When the argument is true the SIGALRM signal handler is set so that interrupted syscalls will not be restarted by the kernel.

void	Sleep (UInt_t milliSec) override
	Sleep milliSec milliseconds.

void	StackTrace () override
	Print a stack trace.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

int	Symlink (const char from, const char to) override
	Create a symlink from file1 to file2.

void	Syslog (ELogLevel level, const char *mess) override
	Send mess to syslog daemon.

const char *	TempDirectory () const override
	Return a user configured or systemwide directory to create temporary files in.

FILE *	TempFileName (TString &base, const char dir=nullptr, const char suffix=nullptr) override
	Create a secure temporary file by appending a unique 6 letter string to base.

int	Umask (Int_t mask) override
	Set the process file creation mode mask.

int	Unlink (const char *name) override
	Unlink, i.e.

void	Unload (const char *module) override
	Unload a shared library.

void	Unsetenv (const char *name) override
	Unset environment variable.

int	Utime (const char *file, Long_t modtime, Long_t actime) override
	Set a files modification and access times.

const char *	WorkingDirectory () override
	Return working directory.

Public Member Functions inherited from TSystem
	TSystem (const char name="Generic", const char title="Generic System")
	Create a new OS interface.

virtual	~TSystem ()
	Delete the OS interface.

virtual void	AddIncludePath (const char *includePath)
	Add a directory to the already set include path.

virtual void	AddLinkedLibs (const char *linkedLib)
	Add linkedLib to already set linked libs.

virtual void	AddStdExceptionHandler (TStdExceptionHandler *eh)
	Add an exception handler to list of system exception handlers.

virtual const char *	BaseName (const char *pathname)
	Base name of a file name. Base name of /user/root is root.

void	Beep (Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE)
	Beep for duration milliseconds with a tone of frequency freq.

Bool_t	cd (const char *path)

virtual void	CleanCompiledMacros ()
	Remove the shared libs produced by the CompileMacro() function, together with their rootmaps, linkdefs, and pcms (and some more on Windows).

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 char *	ConcatFileName (const char dir, const char name)
	Concatenate a directory and a file name. User must delete returned string.

virtual const char *	DirName (const char *pathname)
	Return the directory name in pathname.

char *	DynamicPathName (const char *lib, Bool_t quiet=kFALSE)
	Find a dynamic library called lib using the system search paths.

virtual void	ExitLoop ()
	Exit from event loop.

virtual EAclicMode	GetAclicMode () const
	AclicMode indicates whether the library should be built in debug mode or optimized.

virtual Int_t	GetAclicProperties () const
	Return the ACLiC properties field.

void	GetBeepDefaults (Int_t &freq, Int_t &duration) const

virtual const char *	GetBuildArch () const
	Return the build architecture.

virtual const char *	GetBuildCompiler () const
	Return the build compiler.

virtual const char *	GetBuildCompilerVersion () const
	Return the build compiler version.

virtual const char *	GetBuildCompilerVersionStr () const
	Return the build compiler version identifier string.

virtual const char *	GetBuildDir () const
	Return the path of the build directory.

virtual const char *	GetBuildNode () const
	Return the build node name.

virtual TString	GetDirName (const char *pathname)
	Return the directory name in pathname.

virtual void *	GetDirPtr () const

const char *	GetErrorStr () const

virtual const char *	GetFlagsDebug () const
	Return the debug flags.

virtual const char *	GetFlagsOpt () const
	Return the optimization flags.

virtual TString	GetFromPipe (const char *command)
	Execute command and return output in TString.

virtual const char *	GetIncludePath ()
	Get the list of include path.

virtual const char *	GetLibraries (const char regexp="", const char option="", Bool_t isRegexp=kTRUE)
	Return a space separated list of loaded shared libraries.

virtual const char *	GetLinkdefSuffix () const
	Return the linkdef suffix chosen by the user for ACLiC.

virtual const char *	GetLinkedLibs () const
	Return the list of library linked to this executable.

virtual TSeqCollection *	GetListOfFileHandlers () const

virtual TSeqCollection *	GetListOfSignalHandlers () const

virtual TSeqCollection *	GetListOfStdExceptionHandlers () const

virtual TList *	GetListOfTimers () const

virtual const char *	GetMakeExe () const
	Return the command line use to make an executable.

virtual const char *	GetMakeSharedLib () const
	Return the command line use to make a shared library.

virtual const char *	GetObjExt () const
	Get the object file extension.

int	GetPathInfo (const char path, Long_t id, Long64_t size, Long_t flags, Long_t *modtime)
	Get info about a file: id, size, flags, modification time.

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 const char *	GetSoExt () const
	Get the shared library extension.

virtual TList *	GetVolumes (Option_t *) const

virtual void	IgnoreInterrupt (Bool_t ignore=kTRUE)
	If ignore is true ignore the interrupt signal, else restore previous behaviour.

Bool_t	InControl () const

virtual void	InnerLoop ()
	Inner event loop.

virtual Bool_t	IsAbsoluteFileName (const char *dir)
	Return true if dir is an absolute pathname.

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 UInt_t	LoadAllLibraries ()
	Load all libraries known to ROOT via the rootmap system.

virtual int	mkdir (const char *name, Bool_t recursive=kFALSE)
	Make a file system directory.

virtual Long_t	NextTimeOut (Bool_t mode)
	Time when next timer of mode (synchronous=kTRUE or asynchronous=kFALSE) will time-out (in ms).

virtual void	NotifyApplicationCreated ()
	Hook to tell TSystem that the TApplication object has been created.

virtual Bool_t	ProcessEvents ()
	Process pending events (GUI, timers, sockets).

const char *	pwd ()

void	RemoveOnExit (TObject *obj)
	Objects that should be deleted on exit of the OS interface.

virtual TStdExceptionHandler *	RemoveStdExceptionHandler (TStdExceptionHandler *eh)
	Remove an exception handler from list of exception handlers.

virtual void	Run ()
	System event loop.

virtual void	SetAclicMode (EAclicMode mode)
	AclicMode indicates whether the library should be built in debug mode or optimized.

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.

void	SetErrorStr (const char *errstr)
	Set the system error string.

virtual void	SetFlagsDebug (const char *)
	FlagsDebug should contain the options to pass to the C++ compiler in order to compile the library in debug mode.

virtual void	SetFlagsOpt (const char *)
	FlagsOpt should contain the options to pass to the C++ compiler in order to compile the library in optimized mode.

virtual void	SetIncludePath (const char *includePath)
	IncludePath should contain the list of compiler flags to indicate where to find user defined header files.

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 additional linkdef information that ACLiC should used to produce the dictionary.

virtual void	SetLinkedLibs (const char *linkedLibs)
	LinkedLibs should contain the library directory and list of libraries needed to recreate the current executable.

virtual void	SetMakeExe (const char *directives)
	Directives has the same syntax as the argument of SetMakeSharedLib but is used to create an executable.

virtual void	SetMakeSharedLib (const char *directives)
	Directives should contain the description on how to compile and link a shared lib.

virtual void	SetObjExt (const char *objExt)
	Set object files extension, should be either .o, .obj, etc.

virtual void	SetSoExt (const char *soExt)
	Set shared library extension, should be either .so, .sl, .a, .dll, etc.

virtual void	ShowOutput (RedirectHandle_t *h)
	Display the content associated with the redirection described by the opaque handle 'h'.

virtual TString	SplitAclicMode (const char *filename, TString &mode, TString &args, TString &io) const
	This method split a filename of the form:

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual const char *	UnixPathName (const char *unixpathname)
	Convert from a local pathname to a Unix pathname.

virtual char *	Which (const char search, const char file, EAccessMode mode=kFileExists)
	Find location of file in a search path.

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

void	Clear (Option_t *option="") override
	Set name and title to empty strings ("").

TObject *	Clone (const char *newname="") const override
	Make a clone of an object using the Streamer facility.

Int_t	Compare (const TObject *obj) const override
	Compare two TNamed objects.

void	Copy (TObject &named) const override
	Copy this to obj.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

const char *	GetName () const override
	Returns name of object.

const char *	GetTitle () const override
	Returns title of object.

ULong_t	Hash () const override
	Return hash value for this object.

Bool_t	IsSortable () const override

void	ls (Option_t *option="") const override
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

void	Print (Option_t *option="") const override
	Print TNamed name and title.

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TSystem
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Int_t	GetErrno ()
	Static function returning system error number.

static void	ResetErrno ()
	Static function resetting system error number.

Static Public Member Functions inherited from TNamed
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Protected Member Functions
const char *	GetLinkedLibraries () override
	Get list of shared libraries loaded at the start of the executable.

Protected Member Functions inherited from TSystem
virtual Bool_t	ConsistentWith (const char path, void dirptr=nullptr)
	Check consistency of this helper with the one required by 'path' or 'dirptr'.

virtual void	DoBeep (Int_t=-1, Int_t=-1) const

virtual const char *	ExpandFileName (const char *fname)
	Expand a pathname getting rid of special shell characters like ~.

virtual Bool_t	ExpandFileName (TString &fname)
	Expand a pathname getting rid of special shell characters like ~.

TSystem *	FindHelper (const char path, void dirptr=nullptr)
	Create helper TSystem to handle file and directory operations that might be special for remote file access.

TString &	GetLastErrorString ()
	Return the thread local storage for the custom last error message.

const TString &	GetLastErrorString () const
	Return the thread local storage for the custom last error message.

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Static Protected Member Functions
static int	UnixFilestat (const char *path, FileStat_t &buf)
	Get info about a file.

static int	UnixFSstat (const char path, Long_t id, Long_t bsize, Long_t blocks, Long_t *bfree)
	Get info about a file system: id, bsize, bfree, blocks.

static const char *	UnixGetdirentry (void *dir)
	Returns the next directory entry.

static const char *	UnixHomedirectory (const char user, char path, char *mydir)
	Returns the user's home directory.

static const char *	UnixHomedirectory (const char *user=nullptr)
	Returns the user's home directory.

static void	UnixIgnoreSignal (ESignals sig, Bool_t ignore)
	If ignore is true ignore the specified signal, else restore previous behaviour.

static int	UnixMakedir (const char *name)
	Make a Unix file system directory.

static Long64_t	UnixNow ()
	Get current time in milliseconds since 0:00 Jan 1 1995.

static void *	UnixOpendir (const char *name)
	Open a directory.

static int	UnixRecv (int sock, void *buf, int len, int flag)
	Receive exactly length bytes into buffer.

static void	UnixResetSignal (ESignals sig)
	Restore old signal handler for specified signal.

static void	UnixResetSignals ()
	Restore old signal handlers.

static int	UnixSelect (Int_t nfds, TFdSet readready, TFdSet writeready, Long_t timeout)
	Wait for events on the file descriptors specified in the readready and writeready masks or for timeout (in milliseconds) to occur.

static int	UnixSend (int sock, const void *buf, int len, int flag)
	Send exactly length bytes from buffer.

static int	UnixSetitimer (Long_t ms)
	Set interval timer to time-out in ms milliseconds.

static void	UnixSigAlarmInterruptsSyscalls (Bool_t set)
	When the argument is true the SIGALRM signal handler is set so that interrupted syscalls will not be restarted by the kernel.

static void	UnixSignal (ESignals sig, SigHandler_t h)
	Set a signal handler for a signal.

static const char *	UnixSigname (ESignals sig)
	Return the signal name associated with a signal.

static int	UnixTcpConnect (const char *hostname, int port, int tcpwindowsize)
	Open a TCP/IP connection to server and connect to a service (i.e.

static int	UnixTcpService (int port, Bool_t reuse, int backlog, int tcpwindowsize)
	Open a socket, bind to it and start listening for TCP/IP connections on the port.

static int	UnixUdpConnect (const char *hostname, int port)
	Creates a UDP socket connection Is called via the TSocket constructor.

static int	UnixUdpService (int port, int backlog)
	Open a socket, bind to it and start listening for UDP connections on the port.

static int	UnixUnixConnect (const char *path)
	Connect to a Unix domain socket. Returns -1 in case of error.

static int	UnixUnixConnect (int port)
	Connect to a Unix domain socket.

static int	UnixUnixService (const char *sockpath, int backlog)
	Open a socket on path 'sockpath', bind to it and start listening for Unix domain connections to it.

static int	UnixUnixService (int port, int backlog)
	Open a socket, bind to it and start listening for Unix domain connections to it.

static int	UnixWaitchild ()
	Wait till child is finished.

Static Protected Member Functions inherited from TSystem
static const char *	StripOffProto (const char path, const char proto)
	Strip off protocol string from specified path.

Private Member Functions
void	FillWithCwd (char *cwd) const
	Fill buffer with current working directory.

Additional Inherited Members
Public Types inherited from TSystem
enum	EAclicMode { kDefault , kDebug , kOpt }

enum	EAclicProperties { kFlatBuildDir = (1ULL << ( 0 )) }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

Protected Attributes inherited from TSystem
EAclicMode	fAclicMode {kDefault}

Int_t	fAclicProperties {0}

Int_t	fBeepDuration {0}

Int_t	fBeepFreq {0}

TString	fBuildArch

TString	fBuildCompiler

TString	fBuildCompilerVersion

TString	fBuildCompilerVersionStr

TString	fBuildDir

TString	fBuildNode

TSeqCollection *	fCompiled {nullptr}

Bool_t	fDone {kFALSE}

TSeqCollection *	fFileHandler {nullptr}

TString	fFlagsDebug

TString	fFlagsOpt

TSeqCollection *	fHelpers {nullptr}

TString	fHostname

TString	fIncludePath

Bool_t	fInControl {kFALSE}

std::atomic< Bool_t >	fInsideNotify {kFALSE}

Int_t	fLevel {0}

TString	fLinkdefSuffix

TString	fLinkedLibs

TString	fListLibs

TString	fListPaths

TString	fMakeExe

TString	fMakeSharedLib

Int_t	fMaxrfd {-1}

Int_t	fMaxwfd {-1}

Int_t	fNfd {0}
	Signals that were trapped.

TString	fObjExt

TSeqCollection *	fOnExitList {nullptr}

TFdSet *	fReadmask {nullptr}

TFdSet *	fReadready {nullptr}
	Files that should be checked for write events.

Int_t	fSigcnt {0}

TSeqCollection *	fSignalHandler {nullptr}

TFdSet *	fSignals {nullptr}
	Files with writes waiting.

TString	fSoExt

TSeqCollection *	fStdExceptionHandler {nullptr}

TList *	fTimers {nullptr}

TString	fWdpath

TFdSet *	fWritemask {nullptr}
	Files that should be checked for read events.

TFdSet *	fWriteready {nullptr}
	Files with reads waiting.

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

#include <TUnixSystem.h>

Inheritance diagram for TUnixSystem:

[legend]

Constructor & Destructor Documentation

◆ TUnixSystem()

TUnixSystem::TUnixSystem ( )

Definition at line 575 of file TUnixSystem.cxx.

◆ ~TUnixSystem()

TUnixSystem::~TUnixSystem ( )

virtual

Reset to original state.

Definition at line 581 of file TUnixSystem.cxx.

Member Function Documentation

◆ Abort()

void TUnixSystem::Abort ( int code = 0 )

overridevirtual

Abort the application.

Reimplemented from TSystem.

Definition at line 2202 of file TUnixSystem.cxx.

◆ AcceptConnection()

int TUnixSystem::AcceptConnection ( int sock )

overridevirtual

Accept a connection.

In case of an error return -1. In case non-blocking I/O is enabled and no connections are available return -2.

Reimplemented from TSystem.

Definition at line 3276 of file TUnixSystem.cxx.

◆ AccessPathName()

Bool_t TUnixSystem::AccessPathName	(	const char *	path,
		EAccessMode	mode = `kFileExists`
	)

overridevirtual

Returns FALSE if one can access a file using the specified access mode.

Mode is the same as for the Unix access(2) function. Attention, bizarre convention of return value!!

Reimplemented from TSystem.

Definition at line 1579 of file TUnixSystem.cxx.

◆ AddDynamicPath()

void TUnixSystem::AddDynamicPath ( const char * lib )

overridevirtual

Add a new directory to the dynamic path.

Reimplemented from TSystem.

Definition at line 4725 of file TUnixSystem.cxx.

◆ AddFileHandler()

void TUnixSystem::AddFileHandler ( TFileHandler * h )

overridevirtual

Add a file handler to the list of system file handlers.

Only adds the handler if it is not already in the list of file handlers.

Reimplemented from TSystem.

Definition at line 782 of file TUnixSystem.cxx.

◆ AddSignalHandler()

void TUnixSystem::AddSignalHandler ( TSignalHandler * h )

overridevirtual

Add a signal handler to list of system signal handlers.

Only adds the handler if it is not already in the list of signal handlers.

Reimplemented from TSystem.

Definition at line 837 of file TUnixSystem.cxx.

◆ AddTimer()

void TUnixSystem::AddTimer ( TTimer * ti )

overridevirtual

Add timer to list of system timers.

Reimplemented from TSystem.

Definition at line 3009 of file TUnixSystem.cxx.

◆ AnnounceTcpService()

int TUnixSystem::AnnounceTcpService	(	int	port,
		Bool_t	reuse,
		int	backlog,
		int	tcpwindowsize = `-1`
	)

overridevirtual

Announce TCP/IP service.

Open a socket, bind to it and start listening for TCP/IP connections on the port. If reuse is true reuse the address, backlog specifies how many sockets can be waiting to be accepted. Use tcpwindowsize to specify the size of the receive buffer, it has to be specified here to make sure the window scale option is set (for tcpwindowsize > 65KB and for platforms supporting window scaling). Returns socket fd or -1 if socket() failed, -2 if bind() failed or -3 if listen() failed.

Reimplemented from TSystem.

Definition at line 3241 of file TUnixSystem.cxx.

◆ AnnounceUdpService()

int TUnixSystem::AnnounceUdpService	(	int	port,
		int	backlog
	)

overridevirtual

Announce UDP service.

Reimplemented from TSystem.

Definition at line 3250 of file TUnixSystem.cxx.

◆ AnnounceUnixService() [1/2]

int TUnixSystem::AnnounceUnixService	(	const char *	sockpath,
		int	backlog
	)

overridevirtual

Announce unix domain service on path 'sockpath'.

Reimplemented from TSystem.

Definition at line 3266 of file TUnixSystem.cxx.

◆ AnnounceUnixService() [2/2]

int TUnixSystem::AnnounceUnixService	(	int	port,
		int	backlog
	)

overridevirtual

Announce unix domain service on path "kServerPath/<port>".

Reimplemented from TSystem.

Definition at line 3258 of file TUnixSystem.cxx.

◆ ChangeDirectory()

Bool_t TUnixSystem::ChangeDirectory ( const char * path )

overridevirtual

Change directory. Returns kTRUE in case of success, kFALSE otherwise.

Reimplemented from TSystem.

Definition at line 1434 of file TUnixSystem.cxx.

◆ CheckChilds()

void TUnixSystem::CheckChilds ( )

Check if children have finished.

Definition at line 1317 of file TUnixSystem.cxx.

◆ CheckDescriptors()

Bool_t TUnixSystem::CheckDescriptors ( )

Check if there is activity on some file descriptors and call their Notify() member.

Definition at line 1337 of file TUnixSystem.cxx.

◆ CheckSignals()

Bool_t TUnixSystem::CheckSignals ( Bool_t sync )

Check if some signals were raised and call their Notify() member.

Definition at line 1286 of file TUnixSystem.cxx.

◆ Chmod()

int TUnixSystem::Chmod	(	const char *	file,
		UInt_t	mode
	)

overridevirtual

Set the file permission bits. Returns -1 in case or error, 0 otherwise.

Reimplemented from TSystem.

Definition at line 1893 of file TUnixSystem.cxx.

◆ Class()

static TClass * TUnixSystem::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TUnixSystem::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TUnixSystem::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 219 of file TUnixSystem.h.

◆ CloseConnection()

void TUnixSystem::CloseConnection	(	int	sock,
		Bool_t	force = `kFALSE`
	)

overridevirtual

Close socket.

Reimplemented from TSystem.

Definition at line 3298 of file TUnixSystem.cxx.

◆ Closelog()

void TUnixSystem::Closelog ( )

overridevirtual

Close connection to system log daemon.

Reimplemented from TSystem.

Definition at line 2663 of file TUnixSystem.cxx.

◆ ClosePipe()

int TUnixSystem::ClosePipe ( FILE * pipe )

overridevirtual

Close the pipe.

Reimplemented from TSystem.

Definition at line 2171 of file TUnixSystem.cxx.

◆ ConnectService()

int TUnixSystem::ConnectService	(	const char *	server,
		int	port,
		int	tcpwindowsize,
		const char *	protocol = `"tcp"`
	)

Connect to service servicename on server servername.

Definition at line 3201 of file TUnixSystem.cxx.

◆ CopyFile()

int TUnixSystem::CopyFile	(	const char *	f,
		const char *	t,
		Bool_t	overwrite = `kFALSE`
	)

overridevirtual

Copy a file.

If overwrite is true and file already exists the file will be overwritten. Returns 0 when successful, -1 in case of file open failure, -2 in case the file already exists and overwrite was false and -3 in case of error during copy.

Reimplemented from TSystem.

Definition at line 1598 of file TUnixSystem.cxx.

◆ DeclFileName()

static const char * TUnixSystem::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 219 of file TUnixSystem.h.

◆ DispatchOneEvent()

void TUnixSystem::DispatchOneEvent ( Bool_t pendingOnly = kFALSE )

overridevirtual

Dispatch a single event.

Reimplemented from TSystem.

Definition at line 1093 of file TUnixSystem.cxx.

◆ DispatchSignals()

void TUnixSystem::DispatchSignals ( ESignals sig )

Handle and dispatch signals.

Definition at line 3648 of file TUnixSystem.cxx.

◆ DispatchTimers()

Bool_t TUnixSystem::DispatchTimers ( Bool_t mode )

Handle and dispatch timers.

If mode = kTRUE dispatch synchronous timers else a-synchronous timers.

Definition at line 2979 of file TUnixSystem.cxx.

◆ DynFindSymbol()

Func_t TUnixSystem::DynFindSymbol	(	const char *	module,
		const char *	entry
	)

overridevirtual

dynamic linking of module

Reimplemented from TSystem.

Definition at line 2814 of file TUnixSystem.cxx.

◆ Exec()

int TUnixSystem::Exec ( const char * shellcmd )

overridevirtual

Execute a command.

Reimplemented from TSystem.

Definition at line 2155 of file TUnixSystem.cxx.

◆ Exit()

void TUnixSystem::Exit	(	int	code,
		Bool_t	mode = `kTRUE`
	)

overridevirtual

Exit the application.

Reimplemented from TSystem.

Definition at line 2187 of file TUnixSystem.cxx.

◆ ExpandPathName() [1/2]

char * TUnixSystem::ExpandPathName ( const char * path )

overridevirtual

Expand a pathname getting rid of special shell characaters like ~.

$, etc. For Unix/Win32 compatibility use instead of $XXX when using environment variables in a pathname. If compatibility is not an issue you can use on Unix directly $XXX. The user must delete returned string. Returns the expanded pathname or 0 in case of error. The user must delete returned string (delete []).

Reimplemented from TSystem.

Definition at line 1882 of file TUnixSystem.cxx.

◆ ExpandPathName() [2/2]

Bool_t TUnixSystem::ExpandPathName ( TString & path )

overridevirtual

Expand a pathname getting rid of special shell characters like ~.

$, etc. For Unix/Win32 compatibility use instead of $XXX when using environment variables in a pathname. If compatibility is not an issue you can use on Unix directly $XXX. Returns kFALSE in case of success or kTRUE in case of error.

Reimplemented from TSystem.

Definition at line 1749 of file TUnixSystem.cxx.

◆ FillWithCwd()

void TUnixSystem::FillWithCwd ( char * cwd ) const

private

Fill buffer with current working directory.

Definition at line 1473 of file TUnixSystem.cxx.

◆ FindDynamicLibrary()

const char * TUnixSystem::FindDynamicLibrary	(	TString &	sLib,
		Bool_t	quiet = `kFALSE`
	)

overridevirtual

Returns the path of a shared library (searches for library in the shared library search path).

If no file name extension is provided it first tries .so, .sl, .dl and then .a (for AIX).

Reimplemented from TSystem.

Definition at line 4761 of file TUnixSystem.cxx.

◆ FindFile()

const char * TUnixSystem::FindFile	(	const char *	search,
		TString &	wfil,
		EAccessMode	mode = `kFileExists`
	)

overridevirtual

Find location of file "wfil" in a search path.

The search path is specified as a : separated list of directories. Return value is pointing to wfile for compatibility with Which(const char*,const char*,EAccessMode) version.

Reimplemented from TSystem.

Definition at line 1927 of file TUnixSystem.cxx.

◆ FreeDirectory()

void TUnixSystem::FreeDirectory ( void * dirp )

overridevirtual

Close a Unix file system directory.

Reimplemented from TSystem.

Definition at line 1404 of file TUnixSystem.cxx.

◆ GetCpuInfo()

int TUnixSystem::GetCpuInfo	(	CpuInfo_t *	info,
		Int_t	sampleTime = `1000`
	)		const

overridevirtual

Returns cpu load average and load info into the CpuInfo_t structure.

Returns -1 in case of error, 0 otherwise. Use sampleTime to set the interval over which the CPU load will be measured, in ms (default 1000).

Reimplemented from TSystem.

Definition at line 5344 of file TUnixSystem.cxx.

◆ GetCryptoRandom()

Int_t TUnixSystem::GetCryptoRandom	(	void *	buf,
		Int_t	len
	)

overridevirtual

Return cryptographic random number Fill provided buffer with random values Returns number of bytes written to buffer or -1 in case of error.

Reimplemented from TSystem.

Definition at line 740 of file TUnixSystem.cxx.

◆ GetDirEntry()

const char * TUnixSystem::GetDirEntry ( void * dirp )

overridevirtual

Get next Unix file system directory entry. Returns 0 if no more entries.

Reimplemented from TSystem.

Definition at line 1419 of file TUnixSystem.cxx.

◆ GetDynamicPath()

const char * TUnixSystem::GetDynamicPath ( )

overridevirtual

Return the dynamic path (used to find shared libraries).

Reimplemented from TSystem.

Definition at line 4738 of file TUnixSystem.cxx.

◆ GetEffectiveGid()

Int_t TUnixSystem::GetEffectiveGid ( )

overridevirtual

Returns the effective group id.

The effective group id corresponds to the set id bit on the file being executed.

Reimplemented from TSystem.

Definition at line 2045 of file TUnixSystem.cxx.

◆ GetEffectiveUid()

Int_t TUnixSystem::GetEffectiveUid ( )

overridevirtual

Returns the effective user id.

The effective id corresponds to the set id bit on the file being executed.

Reimplemented from TSystem.

Definition at line 2021 of file TUnixSystem.cxx.

◆ Getenv()

const char * TUnixSystem::Getenv ( const char * name )

overridevirtual

Get environment variable.

Reimplemented from TSystem.

Definition at line 2137 of file TUnixSystem.cxx.

◆ GetError()

const char * TUnixSystem::GetError ( )

overridevirtual

Return system error string.

Reimplemented from TSystem.

Definition at line 719 of file TUnixSystem.cxx.

◆ GetFPEMask()

Int_t TUnixSystem::GetFPEMask ( )

overridevirtual

Return the bitmap of conditions that trigger a floating point exception.

Reimplemented from TSystem.

Definition at line 916 of file TUnixSystem.cxx.

◆ GetFsInfo()

int TUnixSystem::GetFsInfo	(	const char *	path,
		Long_t *	id,
		Long_t *	bsize,
		Long_t *	blocks,
		Long_t *	bfree
	)

overridevirtual

Get info about a file system: id, bsize, bfree, blocks.

Id is file system type (machine dependend, see statfs()) Bsize is block size of file system Blocks is total number of blocks in file system Bfree is number of free blocks in file system The function returns 0 in case of success and 1 if the file system could not be stat'ed.

Reimplemented from TSystem.

Definition at line 1676 of file TUnixSystem.cxx.

◆ GetGid()

Int_t TUnixSystem::GetGid ( const char * group = nullptr )

overridevirtual

Returns the group's id. If group = 0, returns current user's group.

Reimplemented from TSystem.

Definition at line 2029 of file TUnixSystem.cxx.

◆ GetGroupInfo() [1/2]

UserGroup_t * TUnixSystem::GetGroupInfo ( const char * group = nullptr )

overridevirtual

Returns all group info in the UserGroup_t structure.

The only active fields in the UserGroup_t structure for this call are: fGid and fGroup If group = 0, returns current user's group. The returned structure must be deleted by the user. In case of error 0 is returned.

Reimplemented from TSystem.

Definition at line 2119 of file TUnixSystem.cxx.

◆ GetGroupInfo() [2/2]

UserGroup_t * TUnixSystem::GetGroupInfo ( Int_t gid )

overridevirtual

Returns all group info in the UserGroup_t structure.

The only active fields in the UserGroup_t structure for this call are: fGid and fGroup The returned structure must be deleted by the user. In case of error 0 is returned.

Reimplemented from TSystem.

Definition at line 2099 of file TUnixSystem.cxx.

◆ GetHomeDirectory()

std::string TUnixSystem::GetHomeDirectory ( const char * userName = nullptr ) const

overridevirtual

Return the user's home directory.

Reimplemented from TSystem.

Definition at line 1491 of file TUnixSystem.cxx.

◆ GetHostByName()

TInetAddress TUnixSystem::GetHostByName ( const char * hostname )

overridevirtual

Get Internet Protocol (IP) address of host.

Returns an TInetAddress object. To see if the hostname lookup was successfull call TInetAddress::IsValid().

Reimplemented from TSystem.

Definition at line 3046 of file TUnixSystem.cxx.

◆ GetLinkedLibraries()

const char * TUnixSystem::GetLinkedLibraries ( )

overrideprotectedvirtual

Get list of shared libraries loaded at the start of the executable.

Returns 0 in case list cannot be obtained or in case of error.

Reimplemented from TSystem.

Definition at line 2857 of file TUnixSystem.cxx.

◆ GetMemInfo()

int TUnixSystem::GetMemInfo ( MemInfo_t * info ) const

overridevirtual

Returns ram and swap memory usage info into the MemInfo_t structure.

Returns -1 in case of error, 0 otherwise.

Reimplemented from TSystem.

Definition at line 5363 of file TUnixSystem.cxx.

◆ GetPathInfo()

int TUnixSystem::GetPathInfo	(	const char *	path,
		FileStat_t &	buf
	)

overridevirtual

Get info about a file.

Info is returned in the form of a FileStat_t structure (see TSystem.h). The function returns 0 in case of success and 1 if the file could not be stat'ed.

Reimplemented from TSystem.

Definition at line 1658 of file TUnixSystem.cxx.

◆ GetPeerName()

TInetAddress TUnixSystem::GetPeerName ( int sock )

overridevirtual

Get Internet Protocol (IP) address of remote host and port #.

Reimplemented from TSystem.

Definition at line 3141 of file TUnixSystem.cxx.

◆ GetPid()

int TUnixSystem::GetPid ( )

overridevirtual

Get process id.

Reimplemented from TSystem.

Definition at line 2179 of file TUnixSystem.cxx.

◆ GetProcInfo()

int TUnixSystem::GetProcInfo ( ProcInfo_t * info ) const

overridevirtual

Returns cpu and memory used by this process into the ProcInfo_t structure.

Returns -1 in case of error, 0 otherwise.

Reimplemented from TSystem.

Definition at line 5380 of file TUnixSystem.cxx.

◆ GetServiceByName()

int TUnixSystem::GetServiceByName ( const char * service )

overridevirtual

Get port # of internet service.

Reimplemented from TSystem.

Definition at line 3171 of file TUnixSystem.cxx.

◆ GetServiceByPort()

char * TUnixSystem::GetServiceByPort ( int port )

overridevirtual

Get name of internet service.

Reimplemented from TSystem.

Definition at line 3186 of file TUnixSystem.cxx.

◆ GetSockName()

TInetAddress TUnixSystem::GetSockName ( int sock )

overridevirtual

Get Internet Protocol (IP) address of host and port #.

Reimplemented from TSystem.

Definition at line 3111 of file TUnixSystem.cxx.

◆ GetSockOpt()

int TUnixSystem::GetSockOpt	(	int	sock,
		int	option,
		int *	val
	)

overridevirtual

Get socket option.

Reimplemented from TSystem.

Definition at line 3507 of file TUnixSystem.cxx.

◆ GetSysInfo()

int TUnixSystem::GetSysInfo ( SysInfo_t * info ) const

overridevirtual

Returns static system info, like OS type, CPU type, number of CPUs RAM size, etc into the SysInfo_t structure.

Returns -1 in case of error, 0 otherwise.

Reimplemented from TSystem.

Definition at line 5318 of file TUnixSystem.cxx.

◆ GetUid()

Int_t TUnixSystem::GetUid ( const char * user = nullptr )

overridevirtual

Returns the user's id. If user = 0, returns current user's id.

Reimplemented from TSystem.

Definition at line 2005 of file TUnixSystem.cxx.

◆ GetUserInfo() [1/2]

UserGroup_t * TUnixSystem::GetUserInfo ( const char * user = nullptr )

overridevirtual

Returns all user info in the UserGroup_t structure.

If user = 0, returns current user's id info. The returned structure must be deleted by the user. In case of error 0 is returned.

Reimplemented from TSystem.

Definition at line 2087 of file TUnixSystem.cxx.

◆ GetUserInfo() [2/2]

UserGroup_t * TUnixSystem::GetUserInfo ( Int_t uid )

overridevirtual

Returns all user info in the UserGroup_t structure.

The returned structure must be deleted by the user. In case of error 0 is returned.

Reimplemented from TSystem.

Definition at line 2054 of file TUnixSystem.cxx.

◆ GetWorkingDirectory()

std::string TUnixSystem::GetWorkingDirectory ( ) const

overridevirtual

Return working directory.

Reimplemented from TSystem.

Definition at line 1463 of file TUnixSystem.cxx.

◆ HomeDirectory()

const char * TUnixSystem::HomeDirectory ( const char * userName = nullptr )

overridevirtual

Return the user's home directory.

Reimplemented from TSystem.

Definition at line 1483 of file TUnixSystem.cxx.

◆ HostName()

const char * TUnixSystem::HostName ( )

overridevirtual

Return the system's host name.

Reimplemented from TSystem.

Definition at line 762 of file TUnixSystem.cxx.

◆ IgnoreSignal()

void TUnixSystem::IgnoreSignal	(	ESignals	sig,
		Bool_t	ignore = `kTRUE`
	)

overridevirtual

If ignore is true ignore the specified signal, else restore previous behaviour.

Reimplemented from TSystem.

Definition at line 895 of file TUnixSystem.cxx.

◆ Init()

Bool_t TUnixSystem::Init ( )

overridevirtual

Initialize Unix system interface.

Reimplemented from TSystem.

Definition at line 595 of file TUnixSystem.cxx.

◆ IsA()

TClass * TUnixSystem::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TSystem.

Definition at line 219 of file TUnixSystem.h.

◆ IsPathLocal()

Bool_t TUnixSystem::IsPathLocal ( const char * path )

overridevirtual

Returns TRUE if the url in 'path' points to the local file system.

This is used to avoid going through the NIC card for local operations.

Reimplemented from TSystem.

Definition at line 1643 of file TUnixSystem.cxx.

◆ Link()

int TUnixSystem::Link	(	const char *	from,
		const char *	to
	)

overridevirtual

Create a link from file1 to file2.

Returns 0 when successful, -1 in case of failure.

Reimplemented from TSystem.

Definition at line 1686 of file TUnixSystem.cxx.

◆ ListLibraries()

void TUnixSystem::ListLibraries ( const char * regexp = "" )

overridevirtual

List all loaded shared libraries.

Reimplemented from TSystem.

Definition at line 2848 of file TUnixSystem.cxx.

◆ ListSymbols()

void TUnixSystem::ListSymbols	(	const char *	module,
		const char *	re = `""`
	)

overridevirtual

List symbols in a shared library.

Reimplemented from TSystem.

Definition at line 2840 of file TUnixSystem.cxx.

◆ Load()

int TUnixSystem::Load	(	const char *	module,
		const char *	entry = `""`,
		Bool_t	system = `kFALSE`
	)

overridevirtual

Load a shared library.

Returns 0 on successful loading, 1 in case lib was already loaded and -1 in case lib does not exist or in case of error.

Reimplemented from TSystem.

Definition at line 2824 of file TUnixSystem.cxx.

◆ MakeDirectory()

int TUnixSystem::MakeDirectory ( const char * name )

overridevirtual

Make a Unix file system directory.

Returns 0 in case of success and -1 if the directory could not be created.

Reimplemented from TSystem.

Definition at line 1380 of file TUnixSystem.cxx.

◆ Now()

TTime TUnixSystem::Now ( )

overridevirtual

Get current time in milliseconds since 0:00 Jan 1 1995.

Reimplemented from TSystem.

Definition at line 2970 of file TUnixSystem.cxx.

◆ OpenConnection()

int TUnixSystem::OpenConnection	(	const char *	server,
		int	port,
		int	tcpwindowsize = `-1`,
		const char *	protocol = `"tcp"`
	)

overridevirtual

Open a connection to a service on a server.

Returns -1 in case connection cannot be opened. Use tcpwindowsize to specify the size of the receive buffer, it has to be specified here to make sure the window scale option is set (for tcpwindowsize > 65KB and for platforms supporting window scaling). Is called via the TSocket constructor.

Reimplemented from TSystem.

Definition at line 3225 of file TUnixSystem.cxx.

◆ OpenDirectory()

void * TUnixSystem::OpenDirectory ( const char * name )

overridevirtual

Open a Unix file system directory. Returns 0 if directory does not exist.

Reimplemented from TSystem.

Definition at line 1392 of file TUnixSystem.cxx.

◆ Openlog()

void TUnixSystem::Openlog	(	const char *	name,
		Int_t	options,
		ELogFacility	facility
	)

overridevirtual

Open connection to system log daemon.

For the use of the options and facility see the Unix openlog man page.

Reimplemented from TSystem.

Definition at line 2616 of file TUnixSystem.cxx.

◆ OpenPipe()

FILE * TUnixSystem::OpenPipe	(	const char *	shellcmd,
		const char *	mode
	)

overridevirtual

Open a pipe.

Reimplemented from TSystem.

Definition at line 2163 of file TUnixSystem.cxx.

◆ PrependPathName()

const char * TUnixSystem::PrependPathName	(	const char *	dir,
		TString &	name
	)

overridevirtual

Concatenate a directory and a file name.

Reimplemented from TSystem.

Definition at line 1552 of file TUnixSystem.cxx.

◆ RecvBuf()

int TUnixSystem::RecvBuf	(	int	sock,
		void *	buf,
		int	length
	)

overridevirtual

Receive a buffer headed by a length indicator.

Length is the size of the buffer. Returns the number of bytes received in buf or -1 in case of error.

Reimplemented from TSystem.

Definition at line 3316 of file TUnixSystem.cxx.

◆ RecvRaw()

int TUnixSystem::RecvRaw	(	int	sock,
		void *	buf,
		int	length,
		int	opt
	)

overridevirtual

Receive exactly length bytes into buffer.

Use opt to receive out-of-band data or to have a peek at what is in the buffer (see TSocket). Buffer must be able to store at least length bytes. Returns the number of bytes received (can be 0 if other side of connection was closed) or -1 in case of error, -2 in case of MSG_OOB and errno == EWOULDBLOCK, -3 in case of MSG_OOB and errno == EINVAL and -4 in case of kNoBlock and errno == EWOULDBLOCK. Returns -5 if pipe broken or reset by peer (EPIPE || ECONNRESET).

Reimplemented from TSystem.

Definition at line 3368 of file TUnixSystem.cxx.

◆ RedirectOutput()

Int_t TUnixSystem::RedirectOutput	(	const char *	file,
		const char *	mode = `"a"`,
		RedirectHandle_t *	h = `nullptr`
	)

overridevirtual

Redirect standard output (stdout, stderr) to the specified file.

If the file argument is 0 the output is set again to stderr, stdout. The second argument specifies whether the output should be added to the file ("a", default) or the file be truncated before ("w"). This function saves internally the current state into a static structure. The call can be made reentrant by specifying the opaque structure pointed by 'h', which is filled with the relevant information. The handle 'h' obtained on the first call must then be used in any subsequent call, included ShowOutput, to display the redirected output. Returns 0 on success, -1 in case of error.

Reimplemented from TSystem.

Definition at line 2682 of file TUnixSystem.cxx.

◆ RemoveFileHandler()

TFileHandler * TUnixSystem::RemoveFileHandler ( TFileHandler * h )

overridevirtual

Remove a file handler from the list of file handlers.

Returns the handler or 0 if the handler was not in the list of file handlers.

Reimplemented from TSystem.

Definition at line 804 of file TUnixSystem.cxx.

◆ RemoveSignalHandler()

TSignalHandler * TUnixSystem::RemoveSignalHandler ( TSignalHandler * h )

overridevirtual

Remove a signal handler from list of signal handlers.

Returns the handler or 0 if the handler was not in the list of signal handlers.

Reimplemented from TSystem.

Definition at line 849 of file TUnixSystem.cxx.

◆ RemoveTimer()

TTimer * TUnixSystem::RemoveTimer ( TTimer * ti )

overridevirtual

Remove timer from list of system timers.

Reimplemented from TSystem.

Definition at line 3018 of file TUnixSystem.cxx.

◆ Rename()

int TUnixSystem::Rename	(	const char *	from,
		const char *	to
	)

overridevirtual

Rename a file. Returns 0 when successful, -1 in case of failure.

Reimplemented from TSystem.

Definition at line 1632 of file TUnixSystem.cxx.

◆ ResetSignal()

void TUnixSystem::ResetSignal	(	ESignals	sig,
		Bool_t	reset = `kTRUE`
	)

overridevirtual

If reset is true reset the signal handler for the specified signal to the default handler, else restore previous behaviour.

Reimplemented from TSystem.

Definition at line 875 of file TUnixSystem.cxx.

◆ ResetSignals()

void TUnixSystem::ResetSignals ( )

overridevirtual

Reset signals handlers to previous behaviour.

Reimplemented from TSystem.

Definition at line 886 of file TUnixSystem.cxx.

◆ ResetTimer()

void TUnixSystem::ResetTimer ( TTimer * ti )

overridevirtual

Reset a-sync timer.

Reimplemented from TSystem.

Definition at line 3033 of file TUnixSystem.cxx.

◆ Select() [1/2]

Int_t TUnixSystem::Select	(	TFileHandler *	h,
		Long_t	to
	)

overridevirtual

Select on the file descriptor related to file handler h.

The timeout to is in millisec. Returns the number of ready descriptors, or 0 in case of timeout, or < 0 in case of an error, with -2 being EINTR and -3 EBADF. In case of EINTR the errno has been reset and the method can be called again. Returns -4 in case the file handler is 0 or does not have a file descriptor >= 0.

Reimplemented from TSystem.

Definition at line 1250 of file TUnixSystem.cxx.

◆ Select() [2/2]

Int_t TUnixSystem::Select	(	TList *	act,
		Long_t	to
	)

overridevirtual

Select on file descriptors.

The timeout to is in millisec. Returns the number of ready descriptors, or 0 in case of timeout, or < 0 in case of an error, with -2 being EINTR and -3 EBADF. In case of EINTR the errno has been reset and the method can be called again. Returns -4 in case the list did not contain any file handlers or file handlers with file descriptor >= 0.

Reimplemented from TSystem.

Definition at line 1202 of file TUnixSystem.cxx.

◆ SendBuf()

int TUnixSystem::SendBuf	(	int	sock,
		const void *	buf,
		int	length
	)

overridevirtual

Send a buffer headed by a length indicator.

Returns length of sent buffer or -1 in case of error.

Reimplemented from TSystem.

Definition at line 3341 of file TUnixSystem.cxx.

◆ SendRaw()

int TUnixSystem::SendRaw	(	int	sock,
		const void *	buf,
		int	length,
		int	opt
	)

overridevirtual

Send exactly length bytes from buffer.

Use opt to send out-of-band data (see TSocket). Returns the number of bytes sent or -1 in case of error. Returns -4 in case of kNoBlock and errno == EWOULDBLOCK. Returns -5 if pipe broken or reset by peer (EPIPE || ECONNRESET).

Reimplemented from TSystem.

Definition at line 3405 of file TUnixSystem.cxx.

◆ SetDisplay()

void TUnixSystem::SetDisplay ( )

overridevirtual

Set DISPLAY environment variable based on utmp entry. Only for UNIX.

Reimplemented from TSystem.

Definition at line 663 of file TUnixSystem.cxx.

◆ SetDynamicPath()

void TUnixSystem::SetDynamicPath ( const char * path )

overridevirtual

Set the dynamic path to a new value.

If the value of 'path' is zero, the dynamic path is reset to its default value.

Reimplemented from TSystem.

Definition at line 4748 of file TUnixSystem.cxx.

◆ Setenv()

void TUnixSystem::Setenv	(	const char *	name,
		const char *	value
	)

overridevirtual

Set environment variable.

Reimplemented from TSystem.

Definition at line 2129 of file TUnixSystem.cxx.

◆ SetFPEMask()

Int_t TUnixSystem::SetFPEMask ( Int_t mask = kDefaultMask )

overridevirtual

Set which conditions trigger a floating point exception.

Return the previous set of conditions.

Reimplemented from TSystem.

Definition at line 999 of file TUnixSystem.cxx.

◆ SetProgname()

void TUnixSystem::SetProgname ( const char * name )

overridevirtual

Set the application name (from command line, argv[0]) and copy it in gProgName.

Copy the application pathname in gProgPath. If name is 0 let the system set the actual executable name and path (works on MacOS X and Linux).

Reimplemented from TSystem.

Definition at line 641 of file TUnixSystem.cxx.

◆ SetSockOpt()

int TUnixSystem::SetSockOpt	(	int	sock,
		int	option,
		int	val
	)

overridevirtual

Set socket option.

Reimplemented from TSystem.

Definition at line 3437 of file TUnixSystem.cxx.

◆ SigAlarmInterruptsSyscalls()

void TUnixSystem::SigAlarmInterruptsSyscalls ( Bool_t set )

overridevirtual

When the argument is true the SIGALRM signal handler is set so that interrupted syscalls will not be restarted by the kernel.

This is typically used in case one wants to put a timeout on an I/O operation. By default interrupted syscalls will always be restarted (for all signals). This can be controlled for each a-synchronous TTimer via the method TTimer::SetInterruptSyscalls().

Reimplemented from TSystem.

Definition at line 908 of file TUnixSystem.cxx.

◆ Sleep()

void TUnixSystem::Sleep ( UInt_t milliSec )

overridevirtual

Sleep milliSec milliseconds.

Reimplemented from TSystem.

Definition at line 1184 of file TUnixSystem.cxx.

◆ StackTrace()

void TUnixSystem::StackTrace ( )

overridevirtual

Print a stack trace.

Reimplemented from TSystem.

Definition at line 2281 of file TUnixSystem.cxx.

◆ Streamer()

void TUnixSystem::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TSystem.

◆ StreamerNVirtual()

void TUnixSystem::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 219 of file TUnixSystem.h.

◆ Symlink()

int TUnixSystem::Symlink	(	const char *	from,
		const char *	to
	)

overridevirtual

Create a symlink from file1 to file2.

Returns 0 when successful, -1 in case of failure.

Reimplemented from TSystem.

Definition at line 1695 of file TUnixSystem.cxx.

◆ Syslog()

void TUnixSystem::Syslog	(	ELogLevel	level,
		const char *	mess
	)

overridevirtual

Send mess to syslog daemon.

Level is the logging level and mess the message that will be written on the log.

Reimplemented from TSystem.

Definition at line 2654 of file TUnixSystem.cxx.

◆ TempDirectory()

const char * TUnixSystem::TempDirectory ( ) const

overridevirtual

Return a user configured or systemwide directory to create temporary files in.

Reimplemented from TSystem.

Definition at line 1503 of file TUnixSystem.cxx.

◆ TempFileName()

FILE * TUnixSystem::TempFileName	(	TString &	base,
		const char *	dir = `nullptr`,
		const char *	suffix = `nullptr`
	)

overridevirtual

Create a secure temporary file by appending a unique 6 letter string to base.

The file will be created in a standard (system) directory or in the directory provided in dir. Optionally one can provide suffix append to the final name - like extension ".txt" or ".html". The full filename is returned in base and a filepointer is returned for safely writing to the file (this avoids certain security problems). Returns 0 in case of error.

Reimplemented from TSystem.

Definition at line 1523 of file TUnixSystem.cxx.

◆ Umask()

int TUnixSystem::Umask ( Int_t mask )

overridevirtual

Set the process file creation mode mask.

Reimplemented from TSystem.

Definition at line 1901 of file TUnixSystem.cxx.

◆ UnixFilestat()

int TUnixSystem::UnixFilestat	(	const char *	fpath,
		FileStat_t &	buf
	)

staticprotected

Get info about a file.

Info is returned in the form of a FileStat_t structure (see TSystem.h). The function returns 0 in case of success and 1 if the file could not be stat'ed.

Definition at line 4039 of file TUnixSystem.cxx.

◆ UnixFSstat()

int TUnixSystem::UnixFSstat	(	const char *	path,
		Long_t *	id,
		Long_t *	bsize,
		Long_t *	blocks,
		Long_t *	bfree
	)

staticprotected

Get info about a file system: id, bsize, bfree, blocks.

Id is file system type (machine dependend, see statfs()) Bsize is block size of file system Blocks is total number of blocks in file system Bfree is number of free blocks in file system The function returns 0 in case of success and 1 if the file system could not be stat'ed.

Definition at line 4083 of file TUnixSystem.cxx.

◆ UnixGetdirentry()

const char * TUnixSystem::UnixGetdirentry ( void * dir )

staticprotected

Returns the next directory entry.

Definition at line 4010 of file TUnixSystem.cxx.

◆ UnixHomedirectory() [1/2]

const char * TUnixSystem::UnixHomedirectory	(	const char *	user,
		char *	path,
		char *	mydir
	)

staticprotected

Returns the user's home directory.

Definition at line 3944 of file TUnixSystem.cxx.

◆ UnixHomedirectory() [2/2]

const char * TUnixSystem::UnixHomedirectory ( const char * user = nullptr )

staticprotected

Returns the user's home directory.

Definition at line 3935 of file TUnixSystem.cxx.

◆ UnixIgnoreSignal()

void TUnixSystem::UnixIgnoreSignal	(	ESignals	sig,
		Bool_t	ignore
	)

staticprotected

If ignore is true ignore the specified signal, else restore previous behaviour.

Definition at line 3742 of file TUnixSystem.cxx.

◆ UnixMakedir()

int TUnixSystem::UnixMakedir ( const char * dir )

staticprotected

Make a Unix file system directory.

Returns 0 in case of success and -1 if the directory could not be created (either already exists or illegal path name).

Definition at line 3976 of file TUnixSystem.cxx.

◆ UnixNow()

Long64_t TUnixSystem::UnixNow ( )

staticprotected

Get current time in milliseconds since 0:00 Jan 1 1995.

Definition at line 3847 of file TUnixSystem.cxx.

◆ UnixOpendir()

void * TUnixSystem::UnixOpendir ( const char * name )

staticprotected

Open a directory.

Definition at line 3984 of file TUnixSystem.cxx.

◆ UnixRecv()

int TUnixSystem::UnixRecv	(	int	sock,
		void *	buffer,
		int	length,
		int	flag
	)

staticprotected

Receive exactly length bytes into buffer.

Returns number of bytes received. Returns -1 in case of error, -2 in case of MSG_OOB and errno == EWOULDBLOCK, -3 in case of MSG_OOB and errno == EINVAL and -4 in case of kNoBlock and errno == EWOULDBLOCK. Returns -5 if pipe broken or reset by peer (EPIPE || ECONNRESET).

Definition at line 4508 of file TUnixSystem.cxx.

◆ UnixResetSignal()

void TUnixSystem::UnixResetSignal ( ESignals sig )

staticprotected

Restore old signal handler for specified signal.

Definition at line 3821 of file TUnixSystem.cxx.

◆ UnixResetSignals()

void TUnixSystem::UnixResetSignals ( )

staticprotected

Restore old signal handlers.

Definition at line 3836 of file TUnixSystem.cxx.

◆ UnixSelect()

int TUnixSystem::UnixSelect	(	Int_t	nfds,
		TFdSet *	readready,
		TFdSet *	writeready,
		Long_t	timeout
	)

staticprotected

Wait for events on the file descriptors specified in the readready and writeready masks or for timeout (in milliseconds) to occur.

Returns the number of ready descriptors, or 0 in case of timeout, or < 0 in case of an error, with -2 being EINTR and -3 EBADF. In case of EINTR the errno has been reset and the method can be called again.

Definition at line 3901 of file TUnixSystem.cxx.

◆ UnixSend()

int TUnixSystem::UnixSend	(	int	sock,
		const void *	buffer,
		int	length,
		int	flag
	)

staticprotected

Send exactly length bytes from buffer.

Returns -1 in case of error, otherwise number of sent bytes. Returns -4 in case of kNoBlock and errno == EWOULDBLOCK. Returns -5 if pipe broken or reset by peer (EPIPE || ECONNRESET).

Definition at line 4558 of file TUnixSystem.cxx.

◆ UnixSetitimer()

int TUnixSystem::UnixSetitimer ( Long_t ms )

staticprotected

Set interval timer to time-out in ms milliseconds.

Definition at line 3875 of file TUnixSystem.cxx.

◆ UnixSigAlarmInterruptsSyscalls()

void TUnixSystem::UnixSigAlarmInterruptsSyscalls ( Bool_t set )

staticprotected

When the argument is true the SIGALRM signal handler is set so that interrupted syscalls will not be restarted by the kernel.

This is typically used in case one wants to put a timeout on an I/O operation. By default interrupted syscalls will always be restarted (for all signals). This can be controlled for each a-synchronous TTimer via the method TTimer::SetInterruptSyscalls().

Definition at line 3777 of file TUnixSystem.cxx.

◆ UnixSignal()

void TUnixSystem::UnixSignal	(	ESignals	sig,
		SigHandler_t	h
	)

staticprotected

Set a signal handler for a signal.

Definition at line 3703 of file TUnixSystem.cxx.

◆ UnixSigname()

const char * TUnixSystem::UnixSigname ( ESignals sig )

staticprotected

Return the signal name associated with a signal.

Definition at line 3813 of file TUnixSystem.cxx.

◆ UnixTcpConnect()

int TUnixSystem::UnixTcpConnect	(	const char *	hostname,
		int	port,
		int	tcpwindowsize
	)

staticprotected

Open a TCP/IP connection to server and connect to a service (i.e.

port). Use tcpwindowsize to specify the size of the receive buffer, it has to be specified here to make sure the window scale option is set (for tcpwindowsize > 65KB and for platforms supporting window scaling). Is called via the TSocket constructor. Returns -1 in case of error.

Definition at line 4145 of file TUnixSystem.cxx.

◆ UnixTcpService()

int TUnixSystem::UnixTcpService	(	int	port,
		Bool_t	reuse,
		int	backlog,
		int	tcpwindowsize
	)

staticprotected

Open a socket, bind to it and start listening for TCP/IP connections on the port.

If reuse is true reuse the address, backlog specifies how many sockets can be waiting to be accepted. If port is 0 a port scan will be done to find a free port. This option is mutual exlusive with the reuse option. Use tcpwindowsize to specify the size of the receive buffer, it has to be specified here to make sure the window scale option is set (for tcpwindowsize > 65KB and for platforms supporting window scaling). Returns socket fd or -1 if socket() failed, -2 if bind() failed or -3 if listen() failed.

Definition at line 4297 of file TUnixSystem.cxx.

◆ UnixUdpConnect()

int TUnixSystem::UnixUdpConnect	(	const char *	hostname,
		int	port
	)

staticprotected

Creates a UDP socket connection Is called via the TSocket constructor.

Returns -1 in case of error.

Definition at line 4197 of file TUnixSystem.cxx.

◆ UnixUdpService()

int TUnixSystem::UnixUdpService	(	int	port,
		int	backlog
	)

staticprotected

Open a socket, bind to it and start listening for UDP connections on the port.

If reuse is true reuse the address, backlog specifies how many sockets can be waiting to be accepted. If port is 0 a port scan will be done to find a free port. This option is mutual exlusive with the reuse option.

Definition at line 4373 of file TUnixSystem.cxx.

◆ UnixUnixConnect() [1/2]

int TUnixSystem::UnixUnixConnect ( const char * path )

staticprotected

Connect to a Unix domain socket. Returns -1 in case of error.

Definition at line 4249 of file TUnixSystem.cxx.

◆ UnixUnixConnect() [2/2]

int TUnixSystem::UnixUnixConnect ( int port )

staticprotected

Connect to a Unix domain socket.

Definition at line 4241 of file TUnixSystem.cxx.

◆ UnixUnixService() [1/2]

int TUnixSystem::UnixUnixService	(	const char *	sockpath,
		int	backlog
	)

staticprotected

Open a socket on path 'sockpath', bind to it and start listening for Unix domain connections to it.

Returns socket fd or -1.

Definition at line 4458 of file TUnixSystem.cxx.

◆ UnixUnixService() [2/2]

int TUnixSystem::UnixUnixService	(	int	port,
		int	backlog
	)

staticprotected

Open a socket, bind to it and start listening for Unix domain connections to it.

Returns socket fd or -1.

Definition at line 4432 of file TUnixSystem.cxx.

◆ UnixWaitchild()

int TUnixSystem::UnixWaitchild ( )

staticprotected

Wait till child is finished.

Definition at line 4130 of file TUnixSystem.cxx.

◆ Unlink()

int TUnixSystem::Unlink ( const char * name )

overridevirtual

Unlink, i.e.

remove, a file or directory. Returns 0 when successful, -1 in case of failure.

Reimplemented from TSystem.

Definition at line 1708 of file TUnixSystem.cxx.

◆ Unload()

void TUnixSystem::Unload ( const char * module )

overridevirtual

Unload a shared library.

Reimplemented from TSystem.

Definition at line 2832 of file TUnixSystem.cxx.

◆ Unsetenv()

void TUnixSystem::Unsetenv ( const char * name )

overridevirtual

Unset environment variable.

Reimplemented from TSystem.

Definition at line 2145 of file TUnixSystem.cxx.

◆ Utime()

int TUnixSystem::Utime	(	const char *	file,
		Long_t	modtime,
		Long_t	actime
	)

overridevirtual

Set a files modification and access times.

If actime = 0 it will be set to the modtime. Returns 0 on success and -1 in case of error.

Reimplemented from TSystem.

Definition at line 1910 of file TUnixSystem.cxx.

◆ WorkingDirectory()

const char * TUnixSystem::WorkingDirectory ( )

overridevirtual

Return working directory.

Reimplemented from TSystem.

Definition at line 1445 of file TUnixSystem.cxx.

Libraries for TUnixSystem:

[legend]

The documentation for this class was generated from the following files:

core/unix/inc/TUnixSystem.h
core/unix/src/TUnixSystem.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TUnixSystem()

◆ ~TUnixSystem()

Member Function Documentation

◆ Abort()

◆ AcceptConnection()

◆ AccessPathName()

◆ AddDynamicPath()

◆ AddFileHandler()

◆ AddSignalHandler()

◆ AddTimer()

◆ AnnounceTcpService()

◆ AnnounceUdpService()

◆ AnnounceUnixService() [1/2]

◆ AnnounceUnixService() [2/2]

◆ ChangeDirectory()

◆ CheckChilds()

◆ CheckDescriptors()

◆ CheckSignals()

◆ Chmod()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ CloseConnection()

◆ Closelog()

◆ ClosePipe()

◆ ConnectService()

◆ CopyFile()

◆ DeclFileName()

◆ DispatchOneEvent()

◆ DispatchSignals()

◆ DispatchTimers()

◆ DynFindSymbol()

◆ Exec()

◆ Exit()

◆ ExpandPathName() [1/2]

◆ ExpandPathName() [2/2]

◆ FillWithCwd()

◆ FindDynamicLibrary()

◆ FindFile()

◆ FreeDirectory()

◆ GetCpuInfo()

◆ GetCryptoRandom()

◆ GetDirEntry()

◆ GetDynamicPath()

◆ GetEffectiveGid()

◆ GetEffectiveUid()

◆ Getenv()

◆ GetError()

◆ GetFPEMask()

◆ GetFsInfo()

◆ GetGid()

◆ GetGroupInfo() [1/2]

◆ GetGroupInfo() [2/2]

◆ GetHomeDirectory()

◆ GetHostByName()

◆ GetLinkedLibraries()

◆ GetMemInfo()

◆ GetPathInfo()

◆ GetPeerName()

◆ GetPid()

◆ GetProcInfo()

◆ GetServiceByName()

◆ GetServiceByPort()

◆ GetSockName()

◆ GetSockOpt()

◆ GetSysInfo()

◆ GetUid()

◆ GetUserInfo() [1/2]

◆ GetUserInfo() [2/2]

◆ GetWorkingDirectory()

◆ HomeDirectory()

◆ HostName()

◆ IgnoreSignal()