blocxx

NonRecursiveMutex.cpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2006, 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 *     * Redistributions in binary form must reproduce the above copyright
00011 *       notice, this list of conditions and the following disclaimer in the
00012 *       documentation and/or other materials provided with the distribution.
00013 *     * Neither the name of 
00014 *       Vintela, Inc., 
00015 *       nor Novell, Inc., 
00016 *       nor the names of its contributors or employees may be used to 
00017 *       endorse or promote products derived from this software without 
00018 *       specific prior written permission.
00019 * 
00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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00032 
00033 
00039 #include "blocxx/BLOCXX_config.h"
00040 #include "blocxx/NonRecursiveMutex.hpp"
00041 #include "blocxx/Assertion.hpp"
00042 #include "blocxx/Exception.hpp"
00043 #include "blocxx/Format.hpp"
00044 #include "blocxx/NonRecursiveMutexImpl.hpp"
00045 #include "blocxx/ExceptionIds.hpp"
00046 
00047 #include <cstring>
00048 
00049 namespace BLOCXX_NAMESPACE
00050 {
00051 
00052 BLOCXX_DEFINE_EXCEPTION_WITH_ID(Deadlock);
00053 NonRecursiveMutex::NonRecursiveMutex()
00054 {
00055    if (NonRecursiveMutexImpl::createMutex(m_mutex) != 0)
00056    {
00057       BLOCXX_THROW(AssertionException, "NonRecursiveMutexImpl::createMutex failed");
00058    }
00059 }
00060 NonRecursiveMutex::~NonRecursiveMutex()
00061 {
00062    if (NonRecursiveMutexImpl::destroyMutex(m_mutex) == -1)
00063    {
00064       NonRecursiveMutexImpl::releaseMutex(m_mutex);
00065       NonRecursiveMutexImpl::destroyMutex(m_mutex);
00066    }
00067 }
00068 void 
00069 NonRecursiveMutex::acquire()
00070 {
00071    int rv = NonRecursiveMutexImpl::acquireMutex(m_mutex);
00072    if (rv != 0)
00073    {
00074       BLOCXX_THROW(AssertionException,
00075          "NonRecursiveMutexImpl::acquireMutex returned with error");
00076    }
00077 }
00078 bool
00079 NonRecursiveMutex::release()
00080 {
00081    int rc = NonRecursiveMutexImpl::releaseMutex(m_mutex);
00082    if (rc != 0)
00083    {
00084       BLOCXX_THROW(AssertionException, Format("NonRecursiveMutexImpl::releaseMutex returned with error %1", rc).c_str());
00085    }
00086    return true;
00087 }
00088 void 
00089 NonRecursiveMutex::conditionPreWait(NonRecursiveMutexLockState& state)
00090 {
00091    if (NonRecursiveMutexImpl::conditionPreWait(m_mutex, state) != 0)
00092    {
00093       BLOCXX_THROW(AssertionException, "NonRecursiveMutexImpl::releaseMutex returned with error");
00094    }
00095 }
00096 void
00097 NonRecursiveMutex::conditionPostWait(NonRecursiveMutexLockState& state)
00098 {
00099    if (NonRecursiveMutexImpl::conditionPostWait(m_mutex, state) != 0)
00100    {
00101       BLOCXX_THROW(AssertionException, "NonRecursiveMutexImpl::releaseMutex returned with error");
00102    }
00103 }
00104 
00105 } // end namespace BLOCXX_NAMESPACE
00106