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path: root/qmake/tools/qmutexpool.cpp
authorllornkcor <llornkcor>2003-07-10 02:40:10 (UTC)
committer llornkcor <llornkcor>2003-07-10 02:40:10 (UTC)
commit155d68c1e7d7dc0fed2534ac43d6d77ce2781f55 (patch) (side-by-side diff)
treee6edaa5a7040fe6c224c3943d1094dcf02e4f74c /qmake/tools/qmutexpool.cpp
parent86703e8a5527ef114facd02c005b6b3a7e62e263 (diff)
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update qmake to 1.05a
Diffstat (limited to 'qmake/tools/qmutexpool.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--qmake/tools/qmutexpool.cpp78
1 files changed, 50 insertions, 28 deletions
diff --git a/qmake/tools/qmutexpool.cpp b/qmake/tools/qmutexpool.cpp
index 9ed2829..a8e7402 100644
--- a/qmake/tools/qmutexpool.cpp
+++ b/qmake/tools/qmutexpool.cpp
@@ -1,30 +1,49 @@
+/****************************************************************************
+** $Id$
+**
+** ...
+**
+** Copyright (C) 2002 Trolltech AS. All rights reserved.
+**
+** This file is part of the tools module of the Qt GUI Toolkit.
+**
+** This file may be distributed under the terms of the Q Public License
+** as defined by Trolltech AS of Norway and appearing in the file
+** LICENSE.QPL included in the packaging of this file.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+** information about Qt Commercial License Agreements.
+** See http://www.trolltech.com/qpl/ for QPL licensing information.
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
#include "qmutexpool_p.h"
#ifdef QT_THREAD_SUPPORT
#include <qthread.h>
-#include <stdio.h>
QMutexPool *qt_global_mutexpool = 0;
-// this is an internal class used only for inititalizing the global mutexpool
-class QGlobalMutexPoolInitializer
-{
-public:
- inline QGlobalMutexPoolInitializer()
- {
- /*
- Purify will report a leak here. However, this mutex pool must be alive
- until *everything* in Qt has been destructed. Unfortunately there is
- no way to guarantee this, so we never destroy this mutex pool.
- */
- qt_global_mutexpool = new QMutexPool( TRUE );
- }
-};
-QGlobalMutexPoolInitializer qt_global_mutexpool_initializer;
/*!
\class QMutexPool qmutexpool_p.h
\brief The QMutexPool class provides a pool of QMutex objects.
\internal
@@ -82,49 +101,52 @@ QGlobalMutexPoolInitializer qt_global_mutexpool_initializer;
mutexes; otherwise they will all be non-recursive (the default).
The QMutexes are created when needed, and deleted when the
QMutexPool is destructed.
*/
QMutexPool::QMutexPool( bool recursive, int size )
- : mutex( FALSE ), mutexes( size ), recurs( recursive )
+ : mutex( FALSE ), count( size ), recurs( recursive )
{
- mutexes.fill( 0 );
+ mutexes = new QMutex*[count];
+ for ( int index = 0; index < count; ++index ) {
+ mutexes[index] = 0;
+ }
}
/*!
Destructs a QMutexPool. All QMutexes that were created by the pool
are deleted.
*/
QMutexPool::~QMutexPool()
{
QMutexLocker locker( &mutex );
- QMutex **d = mutexes.data();
- for ( int index = 0; (uint) index < mutexes.size(); index++ ) {
- delete d[index];
- d[index] = 0;
+ for ( int index = 0; index < count; ++index ) {
+ delete mutexes[index];
+ mutexes[index] = 0;
}
+ delete [] mutexes;
+ mutexes = 0;
}
/*!
Returns a QMutex from the pool. QMutexPool uses the value \a
address to determine which mutex is retured from the pool.
*/
QMutex *QMutexPool::get( void *address )
{
- QMutex **d = mutexes.data();
- int index = (int)( (ulong) address % mutexes.size() );
+ int index = (int) ( (unsigned long) address % count );
- if ( ! d[index] ) {
+ if ( ! mutexes[index] ) {
// mutex not created, create one
QMutexLocker locker( &mutex );
// we need to check once again that the mutex hasn't been created, since
// 2 threads could be trying to create a mutex as the same index...
- if ( ! d[index] ) {
- d[index] = new QMutex( recurs );
+ if ( ! mutexes[index] ) {
+ mutexes[index] = new QMutex( recurs );
}
}
- return d[index];
+ return mutexes[index];
}
#endif