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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
// Created on: 2006-04-13
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// Created by: Andrey BETENEV
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// Copyright (c) 2006-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and / or modify it
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// under the terms of the GNU Lesser General Public version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// On Windows, function TryEnterCriticalSection has appeared in Windows NT
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// and is surrounded by #ifdef in MS VC++ 7.1 headers.
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// Thus to use it we need to define appropriate macro saying that we wil
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// run on Windows NT 4.0 at least
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#if ((defined(_WIN32) || defined(__WIN32__)) && !defined(_WIN32_WINNT))
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#define _WIN32_WINNT 0x0400
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#endif
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#include <Standard_Mutex.hxx>
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#include <Standard_OStream.hxx>
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//=============================================
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// Standard_Mutex::Standard_Mutex
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//=============================================
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Standard_Mutex::Standard_Mutex ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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InitializeCriticalSection (&myMutex);
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#else
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pthread_mutexattr_t anAttr;
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pthread_mutexattr_init (&anAttr);
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pthread_mutexattr_settype (&anAttr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init (&myMutex, &anAttr);
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pthread_mutexattr_destroy (&anAttr);
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#endif
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}
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//=============================================
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// Standard_Mutex::~Standard_Mutex
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//=============================================
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Standard_Mutex::~Standard_Mutex ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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DeleteCriticalSection (&myMutex);
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#else
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pthread_mutex_destroy (&myMutex);
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#endif
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}
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//=============================================
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// Standard_Mutex::Lock
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//=============================================
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void Standard_Mutex::Lock ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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EnterCriticalSection (&myMutex);
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#else
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pthread_mutex_lock (&myMutex);
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#endif
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}
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//=============================================
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// Standard_Mutex::TryLock
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//=============================================
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Standard_Boolean Standard_Mutex::TryLock ()
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{
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#if (defined(_WIN32) || defined(__WIN32__))
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return (TryEnterCriticalSection (&myMutex) != 0);
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#else
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return (pthread_mutex_trylock (&myMutex) != EBUSY);
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#endif
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}
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//=============================================
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// Standard_Mutex::DestroyCallback
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//=============================================
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void Standard_Mutex::DestroyCallback ()
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{
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UnregisterCallback();
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Unlock();
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}
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