Logo ROOT   6.19/01
Reference Guide
TThread Class Reference

Definition at line 37 of file TThread.h.

Public Types

enum  EPriority { kLowPriority, kNormalPriority, kHighPriority }
 
enum  EState {
  kInvalidState, kNewState, kRunningState, kTerminatedState,
  kFinishedState, kCancelingState, kCanceledState, kDeletingState
}
 
typedef void(* VoidFunc_t) (void *)
 
typedef void *(* VoidRtnFunc_t) (void *)
 
- 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)
}
 

Public Member Functions

 TThread (VoidRtnFunc_t fn, void *arg=0, EPriority pri=kNormalPriority)
 Create a thread. More...
 
 TThread (VoidFunc_t fn, void *arg=0, EPriority pri=kNormalPriority)
 Create a detached thread. More...
 
 TThread (const char *thname, VoidRtnFunc_t fn, void *arg=0, EPriority pri=kNormalPriority)
 Create thread with a name. More...
 
 TThread (const char *thname, VoidFunc_t fn, void *arg=0, EPriority pri=kNormalPriority)
 Create a detached thread with a name. More...
 
 TThread (Long_t id=0)
 Create a TThread for a already running thread. More...
 
virtual ~TThread ()
 Cleanup the thread. More...
 
void Delete (Option_t *option="")
 Delete this object. More...
 
Long_t GetId () const
 
EPriority GetPriority () const
 
EState GetState () const
 
Long_t Join (void **ret=0)
 Join this thread. More...
 
Int_t Kill ()
 Kill this thread. More...
 
Int_t Run (void *arg=0)
 Start the thread. More...
 
void SetPriority (EPriority pri)
 Set thread priority. 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 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...
 

Static Public Member Functions

static Int_t CancelPoint ()
 Static method to set a cancellation point. More...
 
static Int_t CleanUp ()
 Static method to cleanup the calling thread. More...
 
static Int_t CleanUpPop (Int_t exe=0)
 Static method which pops thread cleanup method off stack. More...
 
static Int_t CleanUpPush (void *free, void *arg=0)
 Static method which pushes thread cleanup method on stack. More...
 
static Int_t Delete (TThread *&th)
 Static method to delete the specified thread. More...
 
static Int_t Exists ()
 Static method to check if threads exist. More...
 
static Int_t Exit (void *ret=0)
 Static method which terminates the execution of the calling thread. More...
 
static TThreadGetThread (Long_t id)
 Static method to find a thread by id. More...
 
static TThreadGetThread (const char *name)
 Static method to find a thread by name. More...
 
static Int_t GetTime (ULong_t *absSec, ULong_t *absNanoSec)
 Static method to get the current time. More...
 
static void Initialize ()
 Initialize the Thread package. More...
 
static Bool_t IsInitialized ()
 Return true, if the TThread objects have been initialize. More...
 
static Long_t Join (Long_t id, void **ret=0)
 Static method to join a thread by id. More...
 
static Int_t Kill (Long_t id)
 Static method to kill the thread by id. More...
 
static Int_t Kill (const char *name)
 Static method to kill thread by name. More...
 
static Int_t Lock ()
 Static method to lock the main thread mutex. More...
 
static void Printf (const char *fmt,...)
 Static method providing a thread safe printf. Appends a newline. More...
 
static void Ps ()
 Static method listing the existing threads. More...
 
static void ps ()
 
static TThreadSelf ()
 Static method returning pointer to current thread. More...
 
static Long_t SelfId ()
 Static method returning the id for the current thread. More...
 
static Int_t SetCancelAsynchronous ()
 Static method to set the cancellation response type of the calling thread to asynchronous, i.e. More...
 
static Int_t SetCancelDeferred ()
 Static method to set the cancellation response type of the calling thread to deferred, i.e. More...
 
static Int_t SetCancelOff ()
 Static method to turn off thread cancellation. More...
 
static Int_t SetCancelOn ()
 Static method to turn on thread cancellation. More...
 
static Int_t Sleep (ULong_t secs, ULong_t nanos=0)
 Static method to sleep the calling thread. More...
 
static Int_t TryLock ()
 Static method to try to lock the main thread mutex. More...
 
static void ** Tsd (void *dflt, Int_t k)
 Static method returning a pointer to thread specific data container of the calling thread. More...
 
static Int_t UnLock ()
 Static method to unlock the main thread mutex. More...
 
static void XAction ()
 Static method called via the thread timer to execute in the main thread certain commands. 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...
 

Private Member Functions

 TThread (const TThread &)
 
void Constructor ()
 Common thread constructor. More...
 
void DoError (Int_t level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler. More...
 
void ErrorHandler (int level, const char *location, const char *fmt, va_list ap) const
 Thread specific error handler function. More...
 
TThreadoperator= (const TThread &)
 
void SetComment (const char *txt=0)
 

Static Private Member Functions

static void AfterCancel (TThread *th)
 Static method which is called after the thread has been canceled. More...
 
static voidFunction (void *ptr)
 Static method which is called by the system thread function and which in turn calls the actual user function. More...
 
static void ** GetTls (Int_t k)
 Static method that initializes the TLS array of a thread and returns the reference to a given position in that array. More...
 
static void Init ()
 Initialize global state and variables once. More...
 
static Int_t XARequest (const char *xact, Int_t nb, void **ar, Int_t *iret)
 Static method used to allow commands to be executed by the main thread. More...
 

Private Attributes

voidfClean
 
char fComment [100]
 
Bool_t fDetached
 
VoidRtnFunc_t fFcnRetn
 
VoidFunc_t fFcnVoid
 
Long_t fHandle
 
TThread ** fHolder
 
Long_t fId
 
Bool_t fNamed
 
TThreadfNext
 
TThreadfPrev
 
EPriority fPriority
 
EState fState
 
EState fStateComing
 
voidfThreadArg
 

Static Private Attributes

static TThreadfgMain = 0
 
static Long_t fgMainId = 0
 
static TMutexfgMainMutex
 
static TThreadImpfgThreadImp = 0
 
static char *volatile fgXAct = 0
 
static TConditionfgXActCondi = 0
 
static TMutexfgXActMutex = 0
 
static volatile Int_t fgXAnb = 0
 
static void **volatile fgXArr = 0
 
static volatile Int_t fgXArt = 0
 

Friends

class TJoinHelper
 
class TPosixThread
 
class TThreadCleaner
 
class TThreadImp
 
class TThreadTearDownGuard
 
class TThreadTimer
 
class TWin32Thread
 

Additional Inherited Members

- Protected Member Functions inherited from TObject
void MakeZombie ()
 
- Protected Attributes inherited from TNamed
TString fName
 
TString fTitle
 

#include <TThread.h>

Inheritance diagram for TThread:
[legend]

Member Typedef Documentation

◆ VoidFunc_t

typedef void(* TThread::VoidFunc_t) (void *)

Definition at line 50 of file TThread.h.

◆ VoidRtnFunc_t

typedef void*(* TThread::VoidRtnFunc_t) (void *)

Definition at line 49 of file TThread.h.

Member Enumeration Documentation

◆ EPriority

Enumerator
kLowPriority 
kNormalPriority 
kHighPriority 

Definition at line 52 of file TThread.h.

◆ EState

Enumerator
kInvalidState 
kNewState 
kRunningState 
kTerminatedState 
kFinishedState 
kCancelingState 
kCanceledState 
kDeletingState 

Definition at line 58 of file TThread.h.

Constructor & Destructor Documentation

◆ TThread() [1/6]

TThread::TThread ( const TThread )
private

◆ TThread() [2/6]

TThread::TThread ( VoidRtnFunc_t  fn,
void arg = 0,
EPriority  pri = kNormalPriority 
)

Create a thread.

Specify the function or static class method to be executed by the thread and a pointer to the argument structure. The user function should return a void*. To start the thread call Run().

Definition at line 205 of file TThread.cxx.

◆ TThread() [3/6]

TThread::TThread ( VoidFunc_t  fn,
void arg = 0,
EPriority  pri = kNormalPriority 
)

Create a detached thread.

Specify the function or static class method to be executed by the thread and a pointer to the argument structure. To start the thread call Run().

Definition at line 222 of file TThread.cxx.

◆ TThread() [4/6]

TThread::TThread ( const char *  thname,
VoidRtnFunc_t  fn,
void arg = 0,
EPriority  pri = kNormalPriority 
)

Create thread with a name.

Specify the function or static class method to be executed by the thread and a pointer to the argument structure. The user function should return a void*. To start the thread call Run().

Definition at line 239 of file TThread.cxx.

◆ TThread() [5/6]

TThread::TThread ( const char *  thname,
VoidFunc_t  fn,
void arg = 0,
EPriority  pri = kNormalPriority 
)

Create a detached thread with a name.

Specify the function or static class method to be executed by the thread and a pointer to the argument structure. To start the thread call Run().

Definition at line 256 of file TThread.cxx.

◆ TThread() [6/6]

TThread::TThread ( Long_t  id = 0)

Create a TThread for a already running thread.

Definition at line 271 of file TThread.cxx.

◆ ~TThread()

TThread::~TThread ( )
virtual

Cleanup the thread.

Definition at line 388 of file TThread.cxx.

Member Function Documentation

◆ AfterCancel()

void TThread::AfterCancel ( TThread th)
staticprivate

Static method which is called after the thread has been canceled.

Definition at line 724 of file TThread.cxx.

◆ CancelPoint()

Int_t TThread::CancelPoint ( )
static

Static method to set a cancellation point.

Returns 0 on success, otherwise an error number will be returned.

Definition at line 671 of file TThread.cxx.

◆ CleanUp()

Int_t TThread::CleanUp ( )
static

Static method to cleanup the calling thread.

Definition at line 703 of file TThread.cxx.

◆ CleanUpPop()

Int_t TThread::CleanUpPop ( Int_t  exe = 0)
static

Static method which pops thread cleanup method off stack.

Returns 0 in case of success and -1 in case of error.

Definition at line 692 of file TThread.cxx.

◆ CleanUpPush()

Int_t TThread::CleanUpPush ( void free,
void arg = 0 
)
static

Static method which pushes thread cleanup method on stack.

Returns 0 in case of success and -1 in case of error.

Definition at line 680 of file TThread.cxx.

◆ Constructor()

void TThread::Constructor ( )
private

Common thread constructor.

Definition at line 362 of file TThread.cxx.

◆ Delete() [1/2]

void TThread::Delete ( Option_t option = "")
inlinevirtual

Delete this object.

Typically called as a command via the interpreter. Normally use "delete" operator when object has been allocated on the heap.

Reimplemented from TObject.

Definition at line 124 of file TThread.h.

◆ Delete() [2/2]

Int_t TThread::Delete ( TThread *&  th)
static

Static method to delete the specified thread.

Returns -1 in case the thread was running and has been killed. Returns 0 in case the thread has been Delete and Cleaned up. The th pointer is not valid anymore in that case.

Definition at line 414 of file TThread.cxx.

◆ DoError()

void TThread::DoError ( Int_t  level,
const char *  location,
const char *  fmt,
va_list  va 
) const
privatevirtual

Interface to ErrorHandler.

User has to specify the class name as part of the location, just like for the global Info(), Warning() and Error() functions.

Reimplemented from TObject.

Definition at line 999 of file TThread.cxx.

◆ ErrorHandler()

void TThread::ErrorHandler ( int  level,
const char *  location,
const char *  fmt,
va_list  ap 
) const
private

Thread specific error handler function.

It calls the user set error handler in the main thread.

Definition at line 955 of file TThread.cxx.

◆ Exists()

Int_t TThread::Exists ( )
static

Static method to check if threads exist.

Returns the number of running threads.

Definition at line 437 of file TThread.cxx.

◆ Exit()

Int_t TThread::Exit ( void ret = 0)
static

Static method which terminates the execution of the calling thread.

Definition at line 737 of file TThread.cxx.

◆ Function()

void * TThread::Function ( void ptr)
staticprivate

Static method which is called by the system thread function and which in turn calls the actual user function.

Definition at line 792 of file TThread.cxx.

◆ GetId()

Long_t TThread::GetId ( ) const
inline

Definition at line 127 of file TThread.h.

◆ GetPriority()

EPriority TThread::GetPriority ( ) const
inline

Definition at line 125 of file TThread.h.

◆ GetState()

EState TThread::GetState ( ) const
inline

Definition at line 126 of file TThread.h.

◆ GetThread() [1/2]

TThread * TThread::GetThread ( Long_t  id)
static

Static method to find a thread by id.

Definition at line 461 of file TThread.cxx.

◆ GetThread() [2/2]

TThread * TThread::GetThread ( const char *  name)
static

Static method to find a thread by name.

Definition at line 477 of file TThread.cxx.

◆ GetTime()

Int_t TThread::GetTime ( ULong_t absSec,
ULong_t absNanoSec 
)
static

Static method to get the current time.

Returns the number of seconds.

Definition at line 756 of file TThread.cxx.

◆ GetTls()

void ** TThread::GetTls ( Int_t  k)
staticprivate

Static method that initializes the TLS array of a thread and returns the reference to a given position in that array.

Definition at line 902 of file TThread.cxx.

◆ Init()

void TThread::Init ( )
staticprivate

Initialize global state and variables once.

Definition at line 316 of file TThread.cxx.

◆ Initialize()

void TThread::Initialize ( )
static

Initialize the Thread package.

This initializes the TThread and ROOT global mutexes to make parts of ROOT thread safe/aware. This call is implicit in case a TThread is created.

Definition at line 297 of file TThread.cxx.

◆ IsInitialized()

Bool_t TThread::IsInitialized ( )
static

Return true, if the TThread objects have been initialize.

If false, the process is (from ROOT's point of view) single threaded.

Definition at line 306 of file TThread.cxx.

◆ Join() [1/2]

Long_t TThread::Join ( void **  ret = 0)

Join this thread.

Definition at line 508 of file TThread.cxx.

◆ Join() [2/2]

Long_t TThread::Join ( Long_t  id,
void **  ret = 0 
)
static

Static method to join a thread by id.

Definition at line 532 of file TThread.cxx.

◆ Kill() [1/3]

Int_t TThread::Kill ( )

Kill this thread.

Returns 0 on success, otherwise an error number will be returned.

Definition at line 585 of file TThread.cxx.

◆ Kill() [2/3]

Int_t TThread::Kill ( Long_t  id)
static

Static method to kill the thread by id.

Returns 0 on success, otherwise an error number will be returned.

Definition at line 601 of file TThread.cxx.

◆ Kill() [3/3]

Int_t TThread::Kill ( const char *  name)
static

Static method to kill thread by name.

Returns 0 on success, otherwise an error number will be returned.

Definition at line 617 of file TThread.cxx.

◆ Lock()

Int_t TThread::Lock ( )
static

Static method to lock the main thread mutex.

Definition at line 767 of file TThread.cxx.

◆ operator=()

TThread& TThread::operator= ( const TThread )
private

◆ Printf()

void TThread::Printf ( const char *  fmt,
  ... 
)
static

Static method providing a thread safe printf. Appends a newline.

Definition at line 919 of file TThread.cxx.

◆ Ps()

void TThread::Ps ( )
static

Static method listing the existing threads.

Definition at line 838 of file TThread.cxx.

◆ ps()

static void TThread::ps ( )
inlinestatic

Definition at line 129 of file TThread.h.

◆ Run()

Int_t TThread::Run ( void arg = 0)

Start the thread.

This starts the static method TThread::Function() which calls the user function specified in the TThread ctor with the arg argument. Returns 0 on success, otherwise an error number will be returned.

Definition at line 561 of file TThread.cxx.

◆ Self()

TThread * TThread::Self ( )
static

Static method returning pointer to current thread.

Definition at line 493 of file TThread.cxx.

◆ SelfId()

Long_t TThread::SelfId ( )
static

Static method returning the id for the current thread.

Definition at line 547 of file TThread.cxx.

◆ SetCancelAsynchronous()

Int_t TThread::SetCancelAsynchronous ( )
static

Static method to set the cancellation response type of the calling thread to asynchronous, i.e.

cancel as soon as the cancellation request is received.

Definition at line 652 of file TThread.cxx.

◆ SetCancelDeferred()

Int_t TThread::SetCancelDeferred ( )
static

Static method to set the cancellation response type of the calling thread to deferred, i.e.

cancel only at next cancellation point. Returns 0 on success, otherwise an error number will be returned.

Definition at line 662 of file TThread.cxx.

◆ SetCancelOff()

Int_t TThread::SetCancelOff ( )
static

Static method to turn off thread cancellation.

Returns 0 on success, otherwise an error number will be returned.

Definition at line 633 of file TThread.cxx.

◆ SetCancelOn()

Int_t TThread::SetCancelOn ( )
static

Static method to turn on thread cancellation.

Returns 0 on success, otherwise an error number will be returned.

Definition at line 642 of file TThread.cxx.

◆ SetComment()

void TThread::SetComment ( const char *  txt = 0)
inlineprivate

Definition at line 100 of file TThread.h.

◆ SetPriority()

void TThread::SetPriority ( EPriority  pri)

Set thread priority.

Definition at line 453 of file TThread.cxx.

◆ Sleep()

Int_t TThread::Sleep ( ULong_t  secs,
ULong_t  nanos = 0 
)
static

Static method to sleep the calling thread.

Definition at line 745 of file TThread.cxx.

◆ TryLock()

Int_t TThread::TryLock ( )
static

Static method to try to lock the main thread mutex.

Definition at line 775 of file TThread.cxx.

◆ Tsd()

void ** TThread::Tsd ( void dflt,
Int_t  k 
)
static

Static method returning a pointer to thread specific data container of the calling thread.

k should be between 0 and kMaxUserThreadSlot for user application. (and between kMaxUserThreadSlot and kMaxThreadSlot for ROOT libraries). See ROOT::EThreadSlotReservation

Definition at line 889 of file TThread.cxx.

◆ UnLock()

Int_t TThread::UnLock ( void  )
static

Static method to unlock the main thread mutex.

Definition at line 783 of file TThread.cxx.

◆ XAction()

void TThread::XAction ( )
static

Static method called via the thread timer to execute in the main thread certain commands.

This to avoid sophisticated locking and possible deadlocking.

Definition at line 1070 of file TThread.cxx.

◆ XARequest()

Int_t TThread::XARequest ( const char *  xact,
Int_t  nb,
void **  ar,
Int_t iret 
)
staticprivate

Static method used to allow commands to be executed by the main thread.

Definition at line 1020 of file TThread.cxx.

Friends And Related Function Documentation

◆ TJoinHelper

friend class TJoinHelper
friend

Definition at line 45 of file TThread.h.

◆ TPosixThread

friend class TPosixThread
friend

Definition at line 40 of file TThread.h.

◆ TThreadCleaner

friend class TThreadCleaner
friend

Definition at line 42 of file TThread.h.

◆ TThreadImp

friend class TThreadImp
friend

Definition at line 39 of file TThread.h.

◆ TThreadTearDownGuard

friend class TThreadTearDownGuard
friend

Definition at line 44 of file TThread.h.

◆ TThreadTimer

friend class TThreadTimer
friend

Definition at line 41 of file TThread.h.

◆ TWin32Thread

friend class TWin32Thread
friend

Definition at line 43 of file TThread.h.

Member Data Documentation

◆ fClean

void* TThread::fClean
private

Definition at line 84 of file TThread.h.

◆ fComment

char TThread::fComment[100]
private

Definition at line 85 of file TThread.h.

◆ fDetached

Bool_t TThread::fDetached
private

Definition at line 79 of file TThread.h.

◆ fFcnRetn

VoidRtnFunc_t TThread::fFcnRetn
private

Definition at line 81 of file TThread.h.

◆ fFcnVoid

VoidFunc_t TThread::fFcnVoid
private

Definition at line 82 of file TThread.h.

◆ fgMain

TThread * TThread::fgMain = 0
staticprivate

Definition at line 93 of file TThread.h.

◆ fgMainId

Long_t TThread::fgMainId = 0
staticprivate

Definition at line 92 of file TThread.h.

◆ fgMainMutex

TMutex * TThread::fgMainMutex
staticprivate

Definition at line 94 of file TThread.h.

◆ fgThreadImp

TThreadImp * TThread::fgThreadImp = 0
staticprivate

Definition at line 87 of file TThread.h.

◆ fgXAct

char *volatile TThread::fgXAct = 0
staticprivate

Definition at line 88 of file TThread.h.

◆ fgXActCondi

TCondition * TThread::fgXActCondi = 0
staticprivate

Definition at line 96 of file TThread.h.

◆ fgXActMutex

TMutex * TThread::fgXActMutex = 0
staticprivate

Definition at line 95 of file TThread.h.

◆ fgXAnb

volatile Int_t TThread::fgXAnb = 0
staticprivate

Definition at line 90 of file TThread.h.

◆ fgXArr

void **volatile TThread::fgXArr = 0
staticprivate

Definition at line 89 of file TThread.h.

◆ fgXArt

volatile Int_t TThread::fgXArt = 0
staticprivate

Definition at line 91 of file TThread.h.

◆ fHandle

Long_t TThread::fHandle
private

Definition at line 78 of file TThread.h.

◆ fHolder

TThread** TThread::fHolder
private

Definition at line 73 of file TThread.h.

◆ fId

Long_t TThread::fId
private

Definition at line 77 of file TThread.h.

◆ fNamed

Bool_t TThread::fNamed
private

Definition at line 80 of file TThread.h.

◆ fNext

TThread* TThread::fNext
private

Definition at line 71 of file TThread.h.

◆ fPrev

TThread* TThread::fPrev
private

Definition at line 72 of file TThread.h.

◆ fPriority

EPriority TThread::fPriority
private

Definition at line 74 of file TThread.h.

◆ fState

EState TThread::fState
private

Definition at line 75 of file TThread.h.

◆ fStateComing

EState TThread::fStateComing
private

Definition at line 76 of file TThread.h.

◆ fThreadArg

void* TThread::fThreadArg
private

Definition at line 83 of file TThread.h.

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