Logo ROOT   6.21/01
Reference Guide
TAlienSystem Class Reference

Definition at line 29 of file TAlienSystem.h.

Public Member Functions

 TAlienSystem (const char *name="Generic", const char *title="Generic System")
 Create a new OS interface. More...
 
virtual ~TAlienSystem ()
 Delete the OS interface. More...
 
virtual Bool_t AccessPathName (const char *path, EAccessMode mode=kFileExists)
 Returns FALSE if one can access a file using the specified access mode. More...
 
virtual int AlienFilestat (const char *fpath, FileStat_t &buf)
 Get info about a file. More...
 
Bool_t cd (const char *path)
 
virtual Bool_t ChangeDirectory (const char *path)
 Change directory. More...
 
virtual int Chmod (const char *file, UInt_t mode)
 Set the file permission bits. Returns -1 in case or error, 0 otherwise. More...
 
virtual int CopyFile (const char *from, const char *to, Bool_t overwrite=kFALSE)
 Copy a file. More...
 
virtual const char * FindFile (const char *search, TString &file, EAccessMode mode=kFileExists)
 Find location of file in a search path. More...
 
virtual void FreeDirectory (void *dirp)
 Free a directory. More...
 
virtual const char * GetDirEntry (void *dirp)
 Get a directory entry. Returns 0 if no more entries. More...
 
virtual voidGetDirPtr () const
 
virtual Int_t GetEffectiveGid ()
 Returns the effective group id. More...
 
virtual Int_t GetEffectiveUid ()
 Returns the effective user id. More...
 
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. More...
 
virtual Int_t GetGid (const char *group=0)
 Returns the group's id. If group = 0, returns current user's group. More...
 
virtual UserGroup_tGetGroupInfo (Int_t gid)
 Returns all group info in the UserGroup_t structure. More...
 
virtual UserGroup_tGetGroupInfo (const char *group=0)
 Returns all group info in the UserGroup_t structure. More...
 
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. More...
 
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. More...
 
virtual int GetPathInfo (const char *path, FileStat_t &buf)
 Get info about a file. More...
 
virtual Int_t GetUid (const char *user=0)
 Returns the user's id. If user = 0, returns current user's id. More...
 
virtual UserGroup_tGetUserInfo (Int_t uid)
 Returns all user info in the UserGroup_t structure. More...
 
virtual UserGroup_tGetUserInfo (const char *user=0)
 Returns all user info in the UserGroup_t structure. More...
 
virtual const char * HomeDirectory (const char *userName=0)
 Return the user's home directory. More...
 
virtual Bool_t Init ()
 Initialize the OS interface. More...
 
virtual int Link (const char *from, const char *to)
 Create a link from file1 to file2. More...
 
virtual int MakeDirectory (const char *name)
 Make a directory. More...
 
virtual int mkdir (const char *name, Bool_t recursive=kFALSE)
 Make a file system directory. More...
 
virtual voidOpenDirectory (const char *name)
 Open a directory. Returns 0 if directory does not exist. More...
 
const char * pwd ()
 
virtual int Rename (const char *from, const char *to)
 Rename a file. More...
 
virtual int Symlink (const char *from, const char *to)
 Create a symbolic link from file1 to file2. More...
 
virtual int Umask (Int_t mask)
 Set the process file creation mode mask. More...
 
virtual int Unlink (const char *name)
 Unlink, i.e. remove, a file. More...
 
virtual int Utime (const char *file, Long_t modtime, Long_t actime)
 Set the a files modification and access times. More...
 
virtual const char * WorkingDirectory ()
 Return working directory. More...
 
- Public Member Functions inherited from TSystem
 TSystem (const char *name="Generic", const char *title="Generic System")
 Create a new OS interface. More...
 
virtual ~TSystem ()
 Delete the OS interface. More...
 
virtual void Abort (int code=0)
 Abort the application. More...
 
virtual int AcceptConnection (int sock)
 Accept a connection. More...
 
virtual void AddDynamicPath (const char *pathname)
 Add a new directory to the dynamic path. More...
 
virtual void AddFileHandler (TFileHandler *fh)
 Add a file handler to the list of system file handlers. More...
 
virtual void AddIncludePath (const char *includePath)
 Add includePath to the already set include path. More...
 
virtual void AddLinkedLibs (const char *linkedLib)
 Add linkedLib to already set linked libs. More...
 
virtual void AddSignalHandler (TSignalHandler *sh)
 Add a signal handler to list of system signal handlers. More...
 
virtual void AddStdExceptionHandler (TStdExceptionHandler *eh)
 Add an exception handler to list of system exception handlers. More...
 
virtual void AddTimer (TTimer *t)
 Add timer to list of system timers. More...
 
virtual int AnnounceTcpService (int port, Bool_t reuse, int backlog, int tcpwindowsize=-1)
 Announce TCP/IP service. More...
 
virtual int AnnounceUdpService (int port, int backlog)
 Announce UDP service. More...
 
virtual int AnnounceUnixService (int port, int backlog)
 Announce unix domain service. More...
 
virtual int AnnounceUnixService (const char *sockpath, int backlog)
 Announce unix domain service. More...
 
virtual const char * BaseName (const char *pathname)
 Base name of a file name. Base name of /user/root is root. More...
 
void Beep (Int_t freq=-1, Int_t duration=-1, Bool_t setDefault=kFALSE)
 Beep for duration milliseconds with a tone of frequency freq. More...
 
Bool_t cd (const char *path)
 
virtual void CleanCompiledMacros ()
 Remove the shared libs produced by the CompileMacro() function. More...
 
virtual void CloseConnection (int sock, Bool_t force=kFALSE)
 Close socket connection. More...
 
virtual void Closelog ()
 Close connection to system log daemon. More...
 
virtual int ClosePipe (FILE *pipe)
 Close the pipe. More...
 
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". More...
 
virtual char * ConcatFileName (const char *dir, const char *name)
 Concatenate a directory and a file name. User must delete returned string. More...
 
virtual const char * DirName (const char *pathname)
 Return the directory name in pathname. More...
 
virtual void DispatchOneEvent (Bool_t pendingOnly=kFALSE)
 Dispatch a single event. More...
 
char * DynamicPathName (const char *lib, Bool_t quiet=kFALSE)
 Find a dynamic library called lib using the system search paths. More...
 
virtual Func_t DynFindSymbol (const char *module, const char *entry)
 Find specific entry point in specified library. More...
 
virtual Int_t Exec (const char *shellcmd)
 Execute a command. More...
 
virtual void Exit (int code, Bool_t mode=kTRUE)
 Exit the application. More...
 
virtual void ExitLoop ()
 Exit from event loop. More...
 
virtual Bool_t ExpandPathName (TString &path)
 Expand a pathname getting rid of special shell characters like ~. More...
 
virtual char * ExpandPathName (const char *path)
 Expand a pathname getting rid of special shell characters like ~. More...
 
virtual const char * FindDynamicLibrary (TString &lib, Bool_t quiet=kFALSE)
 Find a dynamic library using the system search paths. More...
 
virtual EAclicMode GetAclicMode () const
 AclicMode indicates whether the library should be built in debug mode or optimized. More...
 
virtual Int_t GetAclicProperties () const
 Return the ACLiC properties field. More...
 
void GetBeepDefaults (Int_t &freq, Int_t &duration) const
 
virtual const char * GetBuildArch () const
 Return the build architecture. More...
 
virtual const char * GetBuildCompiler () const
 Return the build compiler. More...
 
virtual const char * GetBuildCompilerVersion () const
 Return the build compiler version. More...
 
virtual const char * GetBuildDir () const
 Return the path of the build directory. More...
 
virtual const char * GetBuildNode () const
 Return the build node name. More...
 
virtual int GetCpuInfo (CpuInfo_t *info, Int_t sampleTime=1000) const
 Returns cpu load average and load info into the CpuInfo_t structure. More...
 
virtual TString GetDirName (const char *pathname)
 Return the directory name in pathname. More...
 
virtual const char * GetDynamicPath ()
 Return the dynamic path (used to find shared libraries). More...
 
virtual const char * Getenv (const char *env)
 Get environment variable. More...
 
virtual const char * GetError ()
 Return system error string. More...
 
const char * GetErrorStr () const
 
virtual const char * GetFlagsDebug () const
 Return the debug flags. More...
 
virtual const char * GetFlagsOpt () const
 Return the optimization flags. More...
 
virtual Int_t GetFPEMask ()
 Return the bitmap of conditions that trigger a floating point exception. More...
 
virtual TString GetFromPipe (const char *command)
 Execute command and return output in TString. More...
 
virtual std::string GetHomeDirectory (const char *userName=nullptr) const
 Return the user's home directory. More...
 
virtual TInetAddress GetHostByName (const char *server)
 Get Internet Protocol (IP) address of host. More...
 
virtual const char * GetIncludePath ()
 Get the list of include path. More...
 
virtual const char * GetLibraries (const char *regexp="", const char *option="", Bool_t isRegexp=kTRUE)
 Return a space separated list of loaded shared libraries. More...
 
virtual const char * GetLinkdefSuffix () const
 Return the linkdef suffix chosen by the user for ACLiC. More...
 
virtual const char * GetLinkedLibs () const
 Return the list of library linked to this executable. More...
 
virtual TSeqCollectionGetListOfFileHandlers () const
 
virtual TSeqCollectionGetListOfSignalHandlers () const
 
virtual TSeqCollectionGetListOfStdExceptionHandlers () const
 
virtual TSeqCollectionGetListOfTimers () const
 
virtual const char * GetMakeExe () const
 Return the command line use to make an executable. More...
 
virtual const char * GetMakeSharedLib () const
 Return the command line use to make a shared library. More...
 
virtual int GetMemInfo (MemInfo_t *info) const
 Returns ram and swap memory usage info into the MemInfo_t structure. More...
 
virtual const char * GetObjExt () const
 Get the object file extension. More...
 
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. More...
 
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. More...
 
virtual TInetAddress GetPeerName (int sock)
 Get Internet Protocol (IP) address of remote host and port #. More...
 
virtual int GetPid ()
 Get process id. More...
 
virtual int GetProcInfo (ProcInfo_t *info) const
 Returns cpu and memory used by this process into the ProcInfo_t structure. More...
 
virtual int GetServiceByName (const char *service)
 Get port # of internet service. More...
 
virtual char * GetServiceByPort (int port)
 Get name of internet service. More...
 
virtual TInetAddress GetSockName (int sock)
 Get Internet Protocol (IP) address of host and port #. More...
 
virtual int GetSockOpt (int sock, int kind, int *val)
 Get socket option. More...
 
virtual const char * GetSoExt () const
 Get the shared library extension. More...
 
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 structure. More...
 
virtual TListGetVolumes (Option_t *) const
 
virtual std::string GetWorkingDirectory () const
 Return working directory. More...
 
virtual const char * HostName ()
 Return the system's host name. More...
 
virtual void IgnoreInterrupt (Bool_t ignore=kTRUE)
 If ignore is true ignore the interrupt signal, else restore previous behaviour. More...
 
virtual void IgnoreSignal (ESignals sig, Bool_t ignore=kTRUE)
 If ignore is true ignore the specified signal, else restore previous behaviour. More...
 
Bool_t InControl () const
 
virtual void InnerLoop ()
 Inner event loop. More...
 
virtual Bool_t IsAbsoluteFileName (const char *dir)
 Return true if dir is an absolute pathname. More...
 
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. More...
 
virtual Bool_t IsPathLocal (const char *path)
 Returns TRUE if the url in 'path' points to the local file system. More...
 
virtual void ListLibraries (const char *regexp="")
 List all loaded shared libraries. More...
 
virtual void ListSymbols (const char *module, const char *re="")
 List symbols in a shared library. More...
 
virtual int Load (const char *module, const char *entry="", Bool_t system=kFALSE)
 Load a shared library. More...
 
virtual UInt_t LoadAllLibraries ()
 Load all libraries known to ROOT via the rootmap system. More...
 
virtual Long_t NextTimeOut (Bool_t mode)
 Time when next timer of mode (synchronous=kTRUE or asynchronous=kFALSE) will time-out (in ms). More...
 
virtual void NotifyApplicationCreated ()
 Hook to tell TSystem that the TApplication object has been created. More...
 
virtual TTime Now ()
 Get current time in milliseconds since 0:00 Jan 1 1995. More...
 
virtual int OpenConnection (const char *server, int port, int tcpwindowsize=-1, const char *protocol="tcp")
 Open a connection to another host. More...
 
virtual void Openlog (const char *name, Int_t options, ELogFacility facility)
 Open connection to system log daemon. More...
 
virtual FILE * OpenPipe (const char *command, const char *mode)
 Open a pipe. More...
 
virtual const char * PrependPathName (const char *dir, TString &name)
 Concatenate a directory and a file name. More...
 
virtual Bool_t ProcessEvents ()
 Process pending events (GUI, timers, sockets). More...
 
const char * pwd ()
 
virtual int RecvBuf (int sock, void *buffer, int length)
 Receive a buffer headed by a length indicator. More...
 
virtual int RecvRaw (int sock, void *buffer, int length, int flag)
 Receive exactly length bytes into buffer. More...
 
virtual Int_t RedirectOutput (const char *name, const char *mode="a", RedirectHandle_t *h=nullptr)
 Redirect standard output (stdout, stderr) to the specified file. More...
 
virtual TFileHandlerRemoveFileHandler (TFileHandler *fh)
 Remove a file handler from the list of file handlers. More...
 
void RemoveOnExit (TObject *obj)
 Objects that should be deleted on exit of the OS interface. More...
 
virtual TSignalHandlerRemoveSignalHandler (TSignalHandler *sh)
 Remove a signal handler from list of signal handlers. More...
 
virtual TStdExceptionHandlerRemoveStdExceptionHandler (TStdExceptionHandler *eh)
 Remove an exception handler from list of exception handlers. More...
 
virtual TTimerRemoveTimer (TTimer *t)
 Remove timer from list of system timers. More...
 
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, else restore previous behaviour. More...
 
virtual void ResetSignals ()
 Reset signals handlers to previous behaviour. More...
 
virtual void ResetTimer (TTimer *)
 
virtual void Run ()
 System event loop. More...
 
virtual Int_t Select (TList *active, Long_t timeout)
 Select on active file descriptors (called by TMonitor). More...
 
virtual Int_t Select (TFileHandler *fh, Long_t timeout)
 Select on active file descriptors (called by TMonitor). More...
 
virtual int SendBuf (int sock, const void *buffer, int length)
 Send a buffer headed by a length indicator. More...
 
virtual int SendRaw (int sock, const void *buffer, int length, int flag)
 Send exactly length bytes from buffer. More...
 
virtual void SetAclicMode (EAclicMode mode)
 AclicMode indicates whether the library should be built in debug mode or optimized. More...
 
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. More...
 
virtual void SetDisplay ()
 Set DISPLAY environment variable based on utmp entry. Only for UNIX. More...
 
virtual void SetDynamicPath (const char *pathname)
 Set the dynamic path to a new value. More...
 
virtual void Setenv (const char *name, const char *value)
 Set environment variable. More...
 
void SetErrorStr (const char *errstr)
 Set the system error string. More...
 
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. More...
 
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. More...
 
virtual Int_t SetFPEMask (Int_t mask=kDefaultMask)
 Set which conditions trigger a floating point exception. More...
 
virtual void SetIncludePath (const char *includePath)
 IncludePath should contain the list of compiler flags to indicate where to find user defined header files. More...
 
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. More...
 
virtual void SetLinkedLibs (const char *linkedLibs)
 LinkedLibs should contain the library directory and list of libraries needed to recreate the current executable. More...
 
virtual void SetMakeExe (const char *directives)
 Directives has the same syntax as the argument of SetMakeSharedLib but is used to create an executable. More...
 
virtual void SetMakeSharedLib (const char *directives)
 Directives should contain the description on how to compile and link a shared lib. More...
 
virtual void SetObjExt (const char *objExt)
 Set object files extension, should be either .o, .obj, etc. More...
 
virtual void SetProgname (const char *name)
 Set the application name (from command line, argv[0]) and copy it in gProgName. More...
 
virtual int SetSockOpt (int sock, int kind, int val)
 Set socket option. More...
 
virtual void SetSoExt (const char *soExt)
 Set shared library extension, should be either .so, .sl, .a, .dll, etc. More...
 
virtual void ShowOutput (RedirectHandle_t *h)
 Display the content associated with the redirection described by the opaque handle 'h'. More...
 
virtual void Sleep (UInt_t milliSec)
 Sleep milliSec milli seconds. More...
 
virtual TString SplitAclicMode (const char *filename, TString &mode, TString &args, TString &io) const
 This method split a filename of the form: ~~~ {.cpp} [path/]macro.C[+|++[k|f|g|O|c|s|d|v|-]][(args)]. More...
 
virtual void StackTrace ()
 Print a stack trace. More...
 
virtual void Syslog (ELogLevel level, const char *mess)
 Send mess to syslog daemon. More...
 
virtual const char * TempDirectory () const
 Return a user configured or systemwide directory to create temporary files in. More...
 
virtual FILE * TempFileName (TString &base, const char *dir=nullptr)
 Create a secure temporary file by appending a unique 6 letter string to base. More...
 
virtual const char * UnixPathName (const char *unixpathname)
 Convert from a local pathname to a Unix pathname. More...
 
virtual void Unload (const char *module)
 Unload a shared library. More...
 
virtual void Unsetenv (const char *name)
 Unset environment variable. More...
 
virtual char * Which (const char *search, const char *file, EAccessMode mode=kFileExists)
 Find location of file in a search path. More...
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TString &name, const TString &title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor. More...
 
virtual ~TNamed ()
 TNamed destructor. More...
 
virtual void Clear (Option_t *option="")
 Set name and title to empty strings (""). More...
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare two TNamed objects. More...
 
virtual void Copy (TObject &named) const
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t IsSortable () const
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual void SetName (const char *name)
 Set the name of the TNamed. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
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. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
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. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
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). More...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
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. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 

Protected Attributes

char fWorkingDirectory [1024]
 
- 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 fBuildDir
 
TString fBuildNode
 
TSeqCollectionfCompiled {nullptr}
 
Bool_t fDone {kFALSE}
 
TSeqCollectionfFileHandler {nullptr}
 
TString fFlagsDebug
 
TString fFlagsOpt
 
TSeqCollectionfHelpers {nullptr}
 
TString fHostname
 
TString fIncludePath
 
Bool_t fInControl {kFALSE}
 
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. More...
 
TString fObjExt
 
TSeqCollectionfOnExitList {nullptr}
 
TFdSet * fReadmask {nullptr}
 
TFdSet * fReadready {nullptr}
 Files that should be checked for write events. More...
 
Int_t fSigcnt {0}
 
TSeqCollectionfSignalHandler {nullptr}
 
TFdSet * fSignals {nullptr}
 Files with writes waiting. More...
 
TString fSoExt
 
TSeqCollectionfStdExceptionHandler {nullptr}
 
TSeqCollectionfTimers {nullptr}
 
TString fWdpath
 
TFdSet * fWritemask {nullptr}
 Files that should be checked for read events. More...
 
TFdSet * fWriteready {nullptr}
 Files with reads waiting. More...
 
- Protected Attributes inherited from TNamed
TString fName
 
TString fTitle
 

Additional Inherited Members

- Public Types inherited from TSystem
enum  EAclicMode { kDefault, kDebug, kOpt }
 
enum  EAclicProperties { kFlatBuildDir = BIT(0) }
 
- Public Types inherited from TObject
enum  {
  kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000,
  kBitMask = 0x00ffffff
}
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
 
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5),
  kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 
- Static Public Member Functions inherited from TSystem
static Int_t GetErrno ()
 Static function returning system error number. More...
 
static void ResetErrno ()
 Static function resetting system error number. More...
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- 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'. More...
 
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 ~. More...
 
virtual Bool_t ExpandFileName (TString &fname)
 Expand a pathname getting rid of special shell characters like ~. More...
 
TSystemFindHelper (const char *path, void *dirptr=nullptr)
 Create helper TSystem to handle file and directory operations that might be special for remote file access. More...
 
TStringGetLastErrorString ()
 Return the thread local storage for the custom last error message. More...
 
const TStringGetLastErrorString () const
 Return the thread local storage for the custom last error message. More...
 
virtual const char * GetLinkedLibraries ()
 Get list of shared libraries loaded at the start of the executable. More...
 
virtual void SigAlarmInterruptsSyscalls (Bool_t)
 
- 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). More...
 
void MakeZombie ()
 
- Static Protected Member Functions inherited from TSystem
static const char * StripOffProto (const char *path, const char *proto)
 Strip off protocol string from specified path. More...
 

#include <TAlienSystem.h>

Inheritance diagram for TAlienSystem:
[legend]

Constructor & Destructor Documentation

◆ TAlienSystem()

TAlienSystem::TAlienSystem ( const char *  name = "Generic",
const char *  title = "Generic System" 
)

Create a new OS interface.

Definition at line 35 of file TAlienSystem.cxx.

◆ ~TAlienSystem()

TAlienSystem::~TAlienSystem ( )
virtual

Delete the OS interface.

Definition at line 43 of file TAlienSystem.cxx.

Member Function Documentation

◆ AccessPathName()

Bool_t TAlienSystem::AccessPathName ( const char *  path,
EAccessMode  mode = kFileExists 
)
virtual

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

The file name must not contain any special shell characters line ~ or $, in those cases first call ExpandPathName(). Attention, bizarre convention of return value!!

Reimplemented from TSystem.

Definition at line 406 of file TAlienSystem.cxx.

◆ AlienFilestat()

int TAlienSystem::AlienFilestat ( const char *  fpath,
FileStat_t buf 
)
virtual

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 318 of file TAlienSystem.cxx.

◆ cd()

Bool_t TAlienSystem::cd ( const char *  path)
inline

Definition at line 51 of file TAlienSystem.h.

◆ ChangeDirectory()

Bool_t TAlienSystem::ChangeDirectory ( const char *  dirname)
virtual

Change directory.

AbstractMethod("ChangeDirectory"); return kFALSE;

Reimplemented from TSystem.

Definition at line 120 of file TAlienSystem.cxx.

◆ Chmod()

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

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

Reimplemented from TSystem.

Definition at line 360 of file TAlienSystem.cxx.

◆ CopyFile()

int TAlienSystem::CopyFile ( const char *  from,
const char *  to,
Bool_t  overwrite = kFALSE 
)
virtual

Copy a file.

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

Reimplemented from TSystem.

Definition at line 187 of file TAlienSystem.cxx.

◆ FindFile()

const char * TAlienSystem::FindFile ( const char *  search,
TString file,
EAccessMode  mode = kFileExists 
)
virtual

Find location of file in a search path.

Returns 0 in case file is not found.

Reimplemented from TSystem.

Definition at line 394 of file TAlienSystem.cxx.

◆ FreeDirectory()

void TAlienSystem::FreeDirectory ( void dirp)
virtual

Free a directory.

Reimplemented from TSystem.

Definition at line 96 of file TAlienSystem.cxx.

◆ GetDirEntry()

const char * TAlienSystem::GetDirEntry ( void dirp)
virtual

Get a directory entry. Returns 0 if no more entries.

Reimplemented from TSystem.

Definition at line 105 of file TAlienSystem.cxx.

◆ GetDirPtr()

virtual void* TAlienSystem::GetDirPtr ( ) const
inlinevirtual

Reimplemented from TSystem.

Definition at line 46 of file TAlienSystem.h.

◆ GetEffectiveGid()

Int_t TAlienSystem::GetEffectiveGid ( )
virtual

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 468 of file TAlienSystem.cxx.

◆ GetEffectiveUid()

Int_t TAlienSystem::GetEffectiveUid ( )
virtual

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 449 of file TAlienSystem.cxx.

◆ GetFsInfo()

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

Get info about a file system: fs type, block size, number of blocks, number of free blocks.

Reimplemented from TSystem.

Definition at line 351 of file TAlienSystem.cxx.

◆ GetGid()

Int_t TAlienSystem::GetGid ( const char *  group = 0)
virtual

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

Reimplemented from TSystem.

Definition at line 458 of file TAlienSystem.cxx.

◆ GetGroupInfo() [1/2]

UserGroup_t * TAlienSystem::GetGroupInfo ( Int_t  gid)
virtual

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 502 of file TAlienSystem.cxx.

◆ GetGroupInfo() [2/2]

UserGroup_t * TAlienSystem::GetGroupInfo ( const char *  group = 0)
virtual

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 515 of file TAlienSystem.cxx.

◆ GetPathInfo() [1/3]

int TAlienSystem::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.

Id is (statbuf.st_dev << 24) + statbuf.st_ino Size is the file size Flags is file type: 0 is regular file, bit 0 set executable, bit 1 set directory, bit 2 set special file (socket, fifo, pipe, etc.) Modtime is modification time. The function returns 0 in case of success and 1 if the file could not be stat'ed.

Definition at line 242 of file TAlienSystem.cxx.

◆ GetPathInfo() [2/3]

int TAlienSystem::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.

Id is (statbuf.st_dev << 24) + statbuf.st_ino Size is the file size Flags is file type: 0 is regular file, bit 0 set executable, bit 1 set directory, bit 2 set special file (socket, fifo, pipe, etc.) Modtime is modification time. The function returns 0 in case of success and 1 if the file could not be stat'ed.

Definition at line 272 of file TAlienSystem.cxx.

◆ GetPathInfo() [3/3]

int TAlienSystem::GetPathInfo ( const char *  path,
FileStat_t buf 
)
virtual

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 306 of file TAlienSystem.cxx.

◆ GetUid()

Int_t TAlienSystem::GetUid ( const char *  user = 0)
virtual

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

Reimplemented from TSystem.

Definition at line 439 of file TAlienSystem.cxx.

◆ GetUserInfo() [1/2]

UserGroup_t * TAlienSystem::GetUserInfo ( Int_t  uid)
virtual

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 478 of file TAlienSystem.cxx.

◆ GetUserInfo() [2/2]

UserGroup_t * TAlienSystem::GetUserInfo ( const char *  user = 0)
virtual

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 489 of file TAlienSystem.cxx.

◆ HomeDirectory()

const char * TAlienSystem::HomeDirectory ( const char *  userName = 0)
virtual

Return the user's home directory.

Reimplemented from TSystem.

Definition at line 143 of file TAlienSystem.cxx.

◆ Init()

Bool_t TAlienSystem::Init ( )
virtual

Initialize the OS interface.

Reimplemented from TSystem.

Definition at line 50 of file TAlienSystem.cxx.

◆ Link()

int TAlienSystem::Link ( const char *  from,
const char *  to 
)
virtual

Create a link from file1 to file2.

Reimplemented from TSystem.

Definition at line 206 of file TAlienSystem.cxx.

◆ MakeDirectory()

int TAlienSystem::MakeDirectory ( const char *  dirname)
virtual

Make a directory.

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

Reimplemented from TSystem.

Definition at line 60 of file TAlienSystem.cxx.

◆ mkdir()

int TAlienSystem::mkdir ( const char *  name,
Bool_t  recursive = kFALSE 
)
virtual

Make a 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). If 'recursive' is true, makes parent directories as needed.

Reimplemented from TSystem.

Definition at line 161 of file TAlienSystem.cxx.

◆ OpenDirectory()

void * TAlienSystem::OpenDirectory ( const char *  name)
virtual

Open a directory. Returns 0 if directory does not exist.

Reimplemented from TSystem.

Definition at line 82 of file TAlienSystem.cxx.

◆ pwd()

const char* TAlienSystem::pwd ( )
inline

Definition at line 52 of file TAlienSystem.h.

◆ Rename()

int TAlienSystem::Rename ( const char *  from,
const char *  to 
)
virtual

Rename a file.

Reimplemented from TSystem.

Definition at line 196 of file TAlienSystem.cxx.

◆ Symlink()

int TAlienSystem::Symlink ( const char *  from,
const char *  to 
)
virtual

Create a symbolic link from file1 to file2.

Reimplemented from TSystem.

Definition at line 215 of file TAlienSystem.cxx.

◆ Umask()

int TAlienSystem::Umask ( Int_t  mask)
virtual

Set the process file creation mode mask.

Reimplemented from TSystem.

Definition at line 374 of file TAlienSystem.cxx.

◆ Unlink()

int TAlienSystem::Unlink ( const char *  name)
virtual

Unlink, i.e. remove, a file.

Reimplemented from TSystem.

Definition at line 224 of file TAlienSystem.cxx.

◆ Utime()

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

Set the 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 384 of file TAlienSystem.cxx.

◆ WorkingDirectory()

const char * TAlienSystem::WorkingDirectory ( )
virtual

Return working directory.

Reimplemented from TSystem.

Definition at line 135 of file TAlienSystem.cxx.

Member Data Documentation

◆ fWorkingDirectory

char TAlienSystem::fWorkingDirectory[1024]
protected

Definition at line 32 of file TAlienSystem.h.


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