NonRecursiveMutex.cpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 Novell, Inc. All rights reserved.
00004 *
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 *
00008 *  - Redistributions of source code must retain the above copyright notice,
00009 *    this list of conditions and the following disclaimer.
00010 *
00011 *  - Redistributions in binary form must reproduce the above copyright notice,
00012 *    this list of conditions and the following disclaimer in the documentation
00013 *    and/or other materials provided with the distribution.
00014 *
00015 *  - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its
00016 *    contributors may be used to endorse or promote products derived from this
00017 *    software without specific prior written permission.
00018 *
00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 
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00031 
00032 
00038 #include "blocxx/BLOCXX_config.h"
00039 #include "blocxx/NonRecursiveMutex.hpp"
00040 #include "blocxx/Assertion.hpp"
00041 #include "blocxx/Exception.hpp"
00042 #include "blocxx/Format.hpp"
00043 #include "blocxx/NonRecursiveMutexImpl.hpp"
00044 #include "blocxx/ExceptionIds.hpp"
00045 
00046 #include <cstring>
00047 
00048 namespace BLOCXX_NAMESPACE
00049 {
00050 
00051 BLOCXX_DEFINE_EXCEPTION_WITH_ID(Deadlock);
00052 NonRecursiveMutex::NonRecursiveMutex()
00053 {
00054    if (NonRecursiveMutexImpl::createMutex(m_mutex) != 0)
00055    {
00056       BLOCXX_THROW(AssertionException, "NonRecursiveMutexImpl::createMutex failed");
00057    }
00058 }
00059 NonRecursiveMutex::~NonRecursiveMutex()
00060 {
00061    if (NonRecursiveMutexImpl::destroyMutex(m_mutex) == -1)
00062    {
00063       NonRecursiveMutexImpl::releaseMutex(m_mutex);
00064       NonRecursiveMutexImpl::destroyMutex(m_mutex);
00065    }
00066 }
00067 void 
00068 NonRecursiveMutex::acquire()
00069 {
00070    int rv = NonRecursiveMutexImpl::acquireMutex(m_mutex);
00071    if (rv != 0)
00072    {
00073       BLOCXX_THROW(AssertionException,
00074          "NonRecursiveMutexImpl::acquireMutex returned with error");
00075    }
00076 }
00077 bool
00078 NonRecursiveMutex::release()
00079 {
00080    int rc = NonRecursiveMutexImpl::releaseMutex(m_mutex);
00081    if (rc != 0)
00082    {
00083       BLOCXX_THROW(AssertionException, Format("NonRecursiveMutexImpl::releaseMutex returned with error %1", rc).c_str());
00084    }
00085    return true;
00086 }
00087 void 
00088 NonRecursiveMutex::conditionPreWait(NonRecursiveMutexLockState& state)
00089 {
00090    if (NonRecursiveMutexImpl::conditionPreWait(m_mutex, state) != 0)
00091    {
00092       BLOCXX_THROW(AssertionException, "NonRecursiveMutexImpl::releaseMutex returned with error");
00093    }
00094 }
00095 void
00096 NonRecursiveMutex::conditionPostWait(NonRecursiveMutexLockState& state)
00097 {
00098    if (NonRecursiveMutexImpl::conditionPostWait(m_mutex, state) != 0)
00099    {
00100       BLOCXX_THROW(AssertionException, "NonRecursiveMutexImpl::releaseMutex returned with error");
00101    }
00102 }
00103 
00104 } // end namespace BLOCXX_NAMESPACE
00105 

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