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TPosixMutex.h
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1 // @(#)root/thread:$Id$
2 // Author: Fons Rademakers 25/06/97
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
11 
12 #ifndef ROOT_TPosixMutex
13 #define ROOT_TPosixMutex
14 
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TPosixMutex //
19 // //
20 // This class provides an interface to the posix mutex routines. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 #include "TMutexImp.h"
25 
26 #ifndef __CINT__
27 #include <pthread.h>
28 #else
29 struct pthread_mutex_t;
30 #endif
31 
32 class TPosixMutex : public TMutexImp {
33 
34 friend class TPosixCondition;
35 
36 private:
37  pthread_mutex_t fMutex; // the pthread mutex
38 
39  constexpr static int kIsRecursive = BIT(14);
40 
41 public:
42  TPosixMutex(Bool_t recursive=kFALSE);
43  virtual ~TPosixMutex();
44 
45  Int_t Lock();
46  Int_t UnLock();
47  Int_t TryLock();
48 
49  ClassDef(TPosixMutex,0) // Posix mutex lock
50 };
51 
52 #endif
TPosixMutex::fMutex
pthread_mutex_t fMutex
Definition: TPosixMutex.h:37
TPosixMutex::TPosixMutex
TPosixMutex(Bool_t recursive=kFALSE)
Create a posix mutex lock.
Definition: TPosixMutex.cxx:29
bool
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:92
BIT
#define BIT(n)
Definition: Rtypes.h:85
TPosixMutex
Definition: TPosixMutex.h:32
TMutexImp.h
TPosixMutex::~TPosixMutex
virtual ~TPosixMutex()
TMutex dtor.
Definition: TPosixMutex.cxx:64
TPosixMutex::Lock
Int_t Lock()
Lock the mutex.
Definition: TPosixMutex.cxx:74
ClassDef
#define ClassDef(name, id)
Definition: Rtypes.h:325
TMutexImp
Definition: TMutexImp.h:27
TPosixMutex::kIsRecursive
constexpr static int kIsRecursive
Definition: TPosixMutex.h:39
TPosixMutex::UnLock
Int_t UnLock()
Unlock the mutex.
Definition: TPosixMutex.cxx:90
TPosixMutex::TryLock
Int_t TryLock()
Try locking the mutex. Returns 0 if mutex can be locked.
Definition: TPosixMutex.cxx:82
int
TPosixCondition
Definition: TPosixCondition.h:37