blocxx
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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 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00033 00039 #include "blocxx/BLOCXX_config.h" 00040 #include "blocxx/Mutex.hpp" 00041 #include "blocxx/Assertion.hpp" 00042 #include "blocxx/MutexImpl.hpp" 00043 00044 #include <cassert> 00045 00046 namespace BLOCXX_NAMESPACE 00047 { 00048 00049 Mutex::Mutex() 00050 { 00051 if (MutexImpl::createMutex(m_mutex) != 0) 00052 { 00053 BLOCXX_THROW(AssertionException, "MutexImpl::createMutex failed"); 00054 } 00055 } 00056 Mutex::~Mutex() 00057 { 00058 int rv = MutexImpl::destroyMutex(m_mutex); 00059 if (rv == -1) 00060 { 00061 assert(0 == "MutexImpl::destroyMutex failed because it is currently locked."); 00062 } 00063 else if (rv != 0) 00064 { 00065 assert(0 == "MutexImpl::destroyMutex failed."); 00066 } 00067 } 00068 void 00069 Mutex::acquire() 00070 { 00071 int rv = MutexImpl::acquireMutex(m_mutex); 00072 if (rv != 0) 00073 { 00074 BLOCXX_THROW(AssertionException, 00075 "MutexImpl::acquireMutex returned with error"); 00076 } 00077 } 00078 bool 00079 Mutex::release() 00080 { 00081 if (MutexImpl::releaseMutex(m_mutex) != 0) 00082 { 00083 BLOCXX_THROW(AssertionException, "MutexImpl::releaseMutex returned with error"); 00084 } 00085 return true; 00086 } 00087 00088 } // end namespace BLOCXX_NAMESPACE 00089