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gecode
support
thread
pthreads.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2009
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*
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* Last modified:
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* $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $
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* $Revision: 14967 $
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <
gecode/support.hh
>
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#ifdef GECODE_THREADS_PTHREADS
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namespace
Gecode
{
namespace
Support {
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void
*
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bootstrap
(
void
*
p
) {
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static_cast<
Thread::Run
*
>
(
p
)->exec();
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pthread_exit(NULL);
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return
NULL;
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}
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Thread::Run::Run
(Runnable* r0) {
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m
.
acquire
();
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r
= r0;
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m
.
release
();
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// The Pthread specific thread datastructure
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pthread_t p_t;
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if
(pthread_create(&p_t, NULL,
bootstrap
,
this
) != 0)
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throw
OperatingSystemError
(
"Thread::run[pthread_create]"
);
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}
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}}
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#endif
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// STATISTICS: support-any
Gecode::Support::Mutex::acquire
void acquire(void)
Acquire the mutex and possibly block.
Definition:
none.hpp:46
Gecode::Support::Thread::Run
A real thread.
Definition:
thread.hpp:291
Gecode
Gecode toplevel namespace
Gecode::Support::Thread::Run::Run
Run(Runnable *r)
Create a new thread.
Definition:
none.hpp:74
Gecode::Support::Thread::Run::m
Mutex m
Mutex for synchronization.
Definition:
thread.hpp:300
Gecode::Support::Thread::Run::r
Runnable * r
Runnable object to execute.
Definition:
thread.hpp:296
support.hh
Gecode::OperatingSystemError
Exception: operating system error
Definition:
exception.hpp:79
Gecode::Support::Mutex::release
void release(void)
Release the mutex.
Definition:
none.hpp:52
Gecode::Support::bootstrap
void * bootstrap(void *p)
Function to start execution.
Definition:
pthreads.cpp:46
p
int p
Number of positive literals for node type.
Definition:
bool-expr.cpp:236