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1.8.4
gecode
support
thread
thread.hpp
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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: 2013-07-01 06:38:48 +0200 (Mon, 01 Jul 2013) $ by $Author: tack $
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* $Revision: 13740 $
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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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namespace
Gecode {
namespace
Support {
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/*
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* Runnable objects
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*/
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forceinline
void
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Runnable::operator
delete
(
void
*
p
) {
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heap
.
rfree
(
p
);
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}
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forceinline
void
*
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Runnable::operator
new
(
size_t
s) {
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return
heap
.
ralloc
(s);
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}
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/*
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* Mutexes
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*
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*/
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forceinline
void
*
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Mutex::operator
new
(
size_t
s) {
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return
Gecode::heap
.
ralloc
(s);
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}
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forceinline
void
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Mutex::operator
delete
(
void
*
p
) {
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Gecode::heap
.
rfree
(
p
);
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}
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#if defined(GECODE_THREADS_OSX) || defined(GECODE_THREADS_PTHREADS_SPINLOCK)
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/*
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* Fast mutexes
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*
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*/
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forceinline
void
*
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FastMutex::operator
new
(
size_t
s) {
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return
Gecode::heap
.
ralloc
(s);
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}
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forceinline
void
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FastMutex::operator
delete
(
void
*
p
) {
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Gecode::heap
.
rfree
(
p
);
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}
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#endif
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/*
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* Locks
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*/
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forceinline
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Lock::Lock
(
Mutex
& m0) : m(m0) {
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m.
acquire
();
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}
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forceinline
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Lock::~Lock
(
void
) {
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m.
release
();
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}
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/*
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* Threads
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*/
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inline
void
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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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e
.
signal
();
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}
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inline
void
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Thread::run
(
Runnable
*
r
) {
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m
()->
acquire
();
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if
(
idle
!= NULL) {
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Run
*
i
=
idle
;
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idle
=
idle
->
n
;
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m
()->
release
();
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i->
run
(r);
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}
else
{
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m
()->
release
();
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(void)
new
Run
(r);
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}
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}
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forceinline
void
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Thread::Run::operator
delete
(
void
*
p
) {
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heap
.
rfree
(
p
);
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}
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forceinline
void
*
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Thread::Run::operator
new
(
size_t
s) {
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return
heap
.
ralloc
(s);
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}
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}}
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// STATISTICS: support-any