00001 /* ///////////////////////////////////////////////////////////////////////// 00002 * File: platformstl/synch/process_mutex.hpp 00003 * 00004 * Purpose: Definition of the process_mutex type. 00005 * 00006 * Created: 20th March 2005 00007 * Updated: 10th August 2009 00008 * 00009 * Home: http://stlsoft.org/ 00010 * 00011 * Copyright (c) 2005-2009, Matthew Wilson and Synesis Software 00012 * All rights reserved. 00013 * 00014 * Redistribution and use in source and binary forms, with or without 00015 * modification, are permitted provided that the following conditions are met: 00016 * 00017 * - Redistributions of source code must retain the above copyright notice, this 00018 * list of conditions and the following disclaimer. 00019 * - Redistributions in binary form must reproduce the above copyright notice, 00020 * this list of conditions and the following disclaimer in the documentation 00021 * and/or other materials provided with the distribution. 00022 * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of 00023 * any contributors may be used to endorse or promote products derived from 00024 * this software without specific prior written permission. 00025 * 00026 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00027 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00028 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00029 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00030 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00031 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00032 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00033 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00034 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00035 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00036 * POSSIBILITY OF SUCH DAMAGE. 00037 * 00038 * ////////////////////////////////////////////////////////////////////// */ 00039 00040 00047 #ifndef PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX 00048 #define PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX 00049 00050 /* File version */ 00051 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION 00052 # define PLATFORMSTL_VER_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX_MAJOR 2 00053 # define PLATFORMSTL_VER_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX_MINOR 2 00054 # define PLATFORMSTL_VER_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX_REVISION 1 00055 # define PLATFORMSTL_VER_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX_EDIT 18 00056 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ 00057 00058 /* ///////////////////////////////////////////////////////////////////////// 00059 * Includes 00060 */ 00061 00062 #ifndef PLATFORMSTL_INCL_PLATFORMSTL_HPP_PLATFORMSTL 00063 # include <platformstl/platformstl.hpp> 00064 #endif /* !PLATFORMSTL_INCL_PLATFORMSTL_HPP_PLATFORMSTL */ 00065 00066 #if defined(PLATFORMSTL_OS_IS_UNIX) 00067 # ifndef UNIXSTL_INCL_UNIXSTL_SYNCH_HPP_PROCESS_MUTEX 00068 # include <unixstl/synch/process_mutex.hpp> 00069 # endif /* !UNIXSTL_INCL_UNIXSTL_SYNCH_HPP_PROCESS_MUTEX */ 00070 #elif defined(PLATFORMSTL_OS_IS_WINDOWS) 00071 # ifndef WINSTL_INCL_WINSTL_SYNCH_HPP_PROCESS_MUTEX 00072 # include <winstl/synch/process_mutex.hpp> 00073 # endif /* !WINSTL_INCL_WINSTL_SYNCH_HPP_PROCESS_MUTEX */ 00074 #else /* ? operating system */ 00075 # error Operating system not discriminated 00076 #endif /* operating system */ 00077 00078 /* ///////////////////////////////////////////////////////////////////////// 00079 * Namespace 00080 */ 00081 00082 #if defined(_STLSOFT_NO_NAMESPACE) || \ 00083 defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) 00084 /* There is no stlsoft namespace, so must define ::platformstl */ 00085 namespace platformstl 00086 { 00087 #else 00088 /* Define stlsoft::platformstl_project */ 00089 00090 namespace stlsoft 00091 { 00092 00093 namespace platformstl_project 00094 { 00095 #endif /* _STLSOFT_NO_NAMESPACE */ 00096 00097 /* ////////////////////////////////////////////////////////////////////// */ 00098 00099 #if defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) 00100 00114 class process_mutex 00115 { 00118 public: 00119 #if defined(PLATFORMSTL_OS_IS_UNIX) 00120 typedef pthread_mutex_t *handle_type; 00121 #elif defined(PLATFORMSTL_OS_IS_WINDOWS) 00122 typedef HANDLE handle_type; 00123 #else /* ? OS */ 00124 # error Operating system not discriminated 00125 #endif /* OS */ 00126 typedef process_mutex class_type; 00127 00128 typedef handle_type resource_type; 00130 00133 public: 00135 process_mutex(); 00137 ~process_mutex(); 00139 00142 public: 00144 void lock(); 00148 bool try_lock(); 00150 void unlock(); 00152 00155 public: 00157 handle_type get(); 00159 }; 00160 00161 #elif defined(PLATFORMSTL_OS_IS_UNIX) 00162 00163 # ifdef _UNIXSTL_NO_NAMESPACE 00164 using ::process_mutex; 00165 # else /* ? _UNIXSTL_NO_NAMESPACE */ 00166 using ::unixstl::process_mutex; 00167 # endif /* _UNIXSTL_NO_NAMESPACE */ 00168 00169 #elif defined(PLATFORMSTL_OS_IS_WINDOWS) 00170 00171 # ifdef _WINSTL_NO_NAMESPACE 00172 using ::process_mutex; 00173 # else /* ? _WINSTL_NO_NAMESPACE */ 00174 using ::winstl::process_mutex; 00175 # endif /* _WINSTL_NO_NAMESPACE */ 00176 00177 #else /* ? operating system */ 00178 # error Operating system not discriminated 00179 #endif /* operating system */ 00180 00181 /* ////////////////////////////////////////////////////////////////////// */ 00182 00183 #if defined(_STLSOFT_NO_NAMESPACE) || \ 00184 defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) 00185 } // namespace platformstl 00186 #else 00187 } // namespace platformstl_project 00188 } // namespace stlsoft 00189 #endif /* _STLSOFT_NO_NAMESPACE */ 00190 00191 /* ////////////////////////////////////////////////////////////////////// */ 00192 00193 #endif /* !PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_HPP_PROCESS_MUTEX */ 00194 00195 /* ///////////////////////////// end of file //////////////////////////// */