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/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