swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: aae8eaf25a72a262c43d81878cbc440e72f206f6 authored by Fons Rademakers on 21 February 2008, 16:35:34 UTC
patch release v5-18-00a.
patch release v5-18-00a.
Tip revision: aae8eaf
TWin32Mutex.cxx
// @(#)root/thread:$Id$
// Author: Bertrand Bellenot 23/10/04
/*************************************************************************
* Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
//////////////////////////////////////////////////////////////////////////
// //
// TWin32Mutex //
// //
// This class provides an interface to the Win32 mutex routines. //
// //
//////////////////////////////////////////////////////////////////////////
#include "TThread.h"
#include "TWin32Mutex.h"
ClassImp(TWin32Mutex)
//______________________________________________________________________________
TWin32Mutex::TWin32Mutex()
{
// Create a Win32 mutex lock.
::InitializeCriticalSection(&fCritSect);
}
//______________________________________________________________________________
TWin32Mutex::~TWin32Mutex()
{
// TMutex dtor.
::DeleteCriticalSection(&fCritSect);
}
//______________________________________________________________________________
Int_t TWin32Mutex::Lock()
{
// Lock the mutex.
::EnterCriticalSection(&fCritSect);
return 0;
}
//______________________________________________________________________________
Int_t TWin32Mutex::TryLock()
{
// Try locking the mutex. Returns 0 if mutex can be locked.
if (::TryEnterCriticalSection(&fCritSect))
return 0;
return 1;
}
//______________________________________________________________________________
Int_t TWin32Mutex::UnLock(void)
{
// Unlock the mutex.
::LeaveCriticalSection(&fCritSect);
return 0;
}