diff options
Diffstat (limited to 'qtools/qmutex_unix.cpp')
| -rw-r--r-- | qtools/qmutex_unix.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/qtools/qmutex_unix.cpp b/qtools/qmutex_unix.cpp deleted file mode 100644 index 4fe9a58..0000000 --- a/qtools/qmutex_unix.cpp +++ /dev/null @@ -1,117 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <errno.h> -#include <pthread.h> - -#include "qglobal.h" -#include "qmutex.h" -#include "qmutex_p.h" - -static pthread_mutex_t qAtomicMutex = PTHREAD_MUTEX_INITIALIZER; - -static void report_error(int code, const char *where, const char *what) -{ - if (code != 0) - qWarning("%s: %s failure: %d", where, what, code); -} - - -QMutexPrivate::QMutexPrivate() - : contenders(0), wakeup(FALSE) -{ - report_error(pthread_mutex_init(&mutex, NULL), "QMutex", "mutex init"); - report_error(pthread_cond_init(&cond, NULL), "QMutex", "cv init"); -} - -QMutexPrivate::~QMutexPrivate() -{ - report_error(pthread_cond_destroy(&cond), "QMutex", "cv destroy"); - report_error(pthread_mutex_destroy(&mutex), "QMutex", "mutex destroy"); -} - -void QMutexPrivate::wait() -{ - report_error(pthread_mutex_lock(&mutex), "QMutex::lock", "mutex lock"); - int errorCode = 0; - while (!wakeup) - { - errorCode = pthread_cond_wait(&cond, &mutex); - if (errorCode) - { - report_error(errorCode, "QMutex::lock()", "cv wait"); - } - } - wakeup = FALSE; - report_error(pthread_mutex_unlock(&mutex), "QMutex::lock", "mutex unlock"); -} - -void QMutexPrivate::wakeUp() -{ - report_error(pthread_mutex_lock(&mutex), "QMutex::unlock", "mutex lock"); - wakeup = TRUE; - report_error(pthread_cond_signal(&cond), "QMutex::unlock", "cv signal"); - report_error(pthread_mutex_unlock(&mutex), "QMutex::unlock", "mutex unlock"); -} - -bool QAtomicInt::testAndSet(int expectedValue,int newValue) -{ - bool returnValue = false; - pthread_mutex_lock(&qAtomicMutex); - if (m_value == expectedValue) - { - m_value = newValue; - returnValue = true; - } - pthread_mutex_unlock(&qAtomicMutex); - return returnValue; -} - -int QAtomicInt::fetchAndAdd(int valueToAdd) -{ - int returnValue; - pthread_mutex_lock(&qAtomicMutex); - returnValue = m_value; - m_value += valueToAdd; - pthread_mutex_unlock(&qAtomicMutex); - return returnValue; -} - |