pthreads.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2009
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <gecode/support.hh>
#ifdef GECODE_THREADS_PTHREADS
namespace Gecode { namespace Support {
void*
bootstrap(void* p) {
static_cast<Thread::Run*>(p)->exec();
pthread_exit(NULL);
return NULL;
}
Thread::Run::Run(Runnable* r0) {
m.acquire();
r = r0;
m.release();
// The Pthread specific thread datastructure
pthread_t p_t;
if (pthread_create(&p_t, NULL, bootstrap, this) != 0)
throw OperatingSystemError("Thread::run[pthread_create]");
}
}}
#endif
// STATISTICS: support-any
Gecode::OperatingSystemError
Exception: operating system error
Definition exception.hpp:75
Gecode::Support::Mutex::release
void release(void)
Release the mutex.
Definition none.hpp:48
Gecode::Support::Mutex::acquire
void acquire(void)
Acquire the mutex and possibly block.
Definition none.hpp:42
Gecode::Support::Thread::Run
A real thread.
Definition thread.hpp:299
Gecode::Support::Thread::Run::r
Runnable * r
Runnable object to execute.
Definition thread.hpp:304
Gecode::Support::Thread::Run::Run
Run(Runnable *r)
Create a new thread.
Definition none.hpp:70
Gecode::Support::Thread::Run::m
Mutex m
Mutex for synchronization.
Definition thread.hpp:308
Gecode::Support
Support algorithms and datastructures
Gecode::Support::bootstrap
void * bootstrap(void *p)
Function to start execution.
Definition pthreads.cpp:42
Gecode
Gecode toplevel namespace
support.hh