Thread.cpp

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00001 /* ES40 emulator.
00002  * Copyright (C) 2007-2008 by the ES40 Emulator Project
00003  *
00004  * WWW    : http://sourceforge.net/projects/es40
00005  * E-mail : camiel@camicom.com
00006  * 
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  * 
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00020  * 
00021  * Although this is not required, the author would appreciate being notified of, 
00022  * and receiving any modifications you may make to the source code that might serve
00023  * the general public.
00024  */
00025 
00037 //
00038 // Thread.cpp
00039 //
00040 // $Id: Thread.cpp,v 1.1 2008/03/31 19:13:33 iamcamiel Exp $
00041 //
00042 // Library: Foundation
00043 // Package: Threading
00044 // Module:  Thread
00045 //
00046 // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
00047 // and Contributors.
00048 //
00049 // Permission is hereby granted, free of charge, to any person or organization
00050 // obtaining a copy of the software and accompanying documentation covered by
00051 // this license (the "Software") to use, reproduce, display, distribute,
00052 // execute, and transmit the Software, and to prepare derivative works of the
00053 // Software, and to permit third-parties to whom the Software is furnished to
00054 // do so, all subject to the following:
00055 // 
00056 // The copyright notices in the Software and this entire statement, including
00057 // the above license grant, this restriction and the following disclaimer,
00058 // must be included in all copies of the Software, in whole or in part, and
00059 // all derivative works of the Software, unless such copies or derivative
00060 // works are solely in the form of machine-executable object code generated by
00061 // a source language processor.
00062 // 
00063 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00064 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00065 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
00066 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
00067 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
00068 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00069 // DEALINGS IN THE SOFTWARE.
00070 //
00071 
00072 
00073 #include "VMS/Thread.h"
00074 #include "VMS/Mutex.h"
00075 #include "VMS/Exception.h"
00076 #include "VMS/ThreadLocal.h"
00077 #include <sstream>
00078 
00079 #include "VMS/Thread_POSIX.cpp"
00080 
00081 namespace Poco {
00082 
00083 
00084 Thread::Thread(): 
00085         _id(uniqueId()), 
00086         _name(makeName()), 
00087         _pTLS(0)
00088 {
00089 }
00090 
00091 
00092 Thread::Thread(const std::string& name): 
00093         _id(uniqueId()), 
00094         _name(name), 
00095         _pTLS(0)
00096 {
00097 }
00098 
00099 
00100 Thread::~Thread()
00101 {
00102         delete _pTLS;
00103 }
00104 
00105 
00106 void Thread::setPriority(Priority prio)
00107 {
00108         setPriorityImpl(prio);
00109 }
00110 
00111 
00112 Thread::Priority Thread::getPriority() const
00113 {
00114         return Priority(getPriorityImpl());
00115 }
00116 
00117 
00118 void Thread::start(Runnable& target)
00119 {
00120         startImpl(target);
00121 }
00122 
00123 
00124 void Thread::join()
00125 {
00126         joinImpl();
00127 }
00128 
00129 
00130 void Thread::join(long milliseconds)
00131 {
00132         if (!joinImpl(milliseconds))
00133                 throw TimeoutException();
00134 }
00135 
00136 
00137 bool Thread::tryJoin(long milliseconds)
00138 {
00139         return joinImpl(milliseconds);
00140 }
00141 
00142 
00143 ThreadLocalStorage& Thread::tls()
00144 {
00145         if (!_pTLS)
00146                 _pTLS = new ThreadLocalStorage;
00147         return *_pTLS;
00148 }
00149 
00150 
00151 void Thread::clearTLS()
00152 {
00153         if (_pTLS)
00154         {
00155                 delete _pTLS;
00156                 _pTLS = 0;
00157         }
00158 }
00159 
00160 
00161 std::string Thread::makeName()
00162 {
00163         std::ostringstream name;
00164         name << '#' << _id;
00165         return name.str();
00166 }
00167 
00168 
00169 int Thread::uniqueId()
00170 {
00171         static FastMutex mtx;
00172         FastMutex::ScopedLock lock(mtx);
00173 
00174         static unsigned count = 0;
00175         ++count;
00176         return count;
00177 }
00178 
00179 
00180 void Thread::setName(const std::string& name)
00181 {
00182         FastMutex::ScopedLock lock(_mutex);
00183 
00184         _name = name;
00185 }
00186 
00187 
00188 } // namespace Poco

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