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 00023 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00024 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00025 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 00026 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00027 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00028 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 00029 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 *******************************************************************************/ 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