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author | Moritz 'Morty' Strübe <moritz.struebe@redheads.de> | 2020-03-20 09:20:05 (GMT) |
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committer | Moritz 'Morty' Strübe <moritz.struebe@redheads.de> | 2020-03-21 10:31:58 (GMT) |
commit | 739e9c039b6678b0565922f8a38e062cc83fd702 (patch) | |
tree | 7ee58dcf44cb1c6032ab93ee0bec52b9cb8bd333 /qtools/qwaitcondition_unix.cpp | |
parent | 475b4d7388cfc408fed097d80521db289c4522b9 (diff) | |
download | Doxygen-739e9c039b6678b0565922f8a38e062cc83fd702.zip Doxygen-739e9c039b6678b0565922f8a38e062cc83fd702.tar.gz Doxygen-739e9c039b6678b0565922f8a38e062cc83fd702.tar.bz2 |
Remove thread-related Qt-Code
Diffstat (limited to 'qtools/qwaitcondition_unix.cpp')
-rw-r--r-- | qtools/qwaitcondition_unix.cpp | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/qtools/qwaitcondition_unix.cpp b/qtools/qwaitcondition_unix.cpp deleted file mode 100644 index 0a6a09b..0000000 --- a/qtools/qwaitcondition_unix.cpp +++ /dev/null @@ -1,134 +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 "qwaitcondition.h" -#include "qmutex.h" -#include <pthread.h> - -#define MIN(a,b) ((a)<(b)?(a):(b)) - -static void report_error(int code, const char *where, const char *what) -{ - if (code != 0) - qWarning("%s: %s failure: %d", where, what, code); -} - -class QWaitConditionPrivate -{ - public: - pthread_mutex_t mutex; - pthread_cond_t cond; - int waiters; - int wakeups; - - void wait() - { - int code; - for (;;) - { - code = pthread_cond_wait(&cond, &mutex); - if (code == 0 && wakeups == 0) - { - // many vendors warn of spurious wakeups from - // pthread_cond_wait(), especially after signal delivery, - // even though POSIX doesn't allow for it... sigh - continue; - } - break; - } - - --waiters; - if (code == 0) - { - --wakeups; - } - else - { - report_error(code, "QWaitCondition::wait()", "cv wait"); - } - report_error(pthread_mutex_unlock(&mutex), "QWaitCondition::wait()", "mutex unlock"); - } -}; - - -QWaitCondition::QWaitCondition() -{ - d = new QWaitConditionPrivate; - report_error(pthread_mutex_init(&d->mutex, NULL), "QWaitCondition", "mutex init"); - report_error(pthread_cond_init(&d->cond, NULL), "QWaitCondition", "cv init"); - d->waiters = d->wakeups = 0; -} - - -QWaitCondition::~QWaitCondition() -{ - report_error(pthread_cond_destroy(&d->cond), "QWaitCondition", "cv destroy"); - report_error(pthread_mutex_destroy(&d->mutex), "QWaitCondition", "mutex destroy"); - delete d; -} - -void QWaitCondition::wakeOne() -{ - report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wakeOne()", "mutex lock"); - d->wakeups = MIN(d->wakeups + 1, d->waiters); - report_error(pthread_cond_signal(&d->cond), "QWaitCondition::wakeOne()", "cv signal"); - report_error(pthread_mutex_unlock(&d->mutex), "QWaitCondition::wakeOne()", "mutex unlock"); -} - -void QWaitCondition::wakeAll() -{ - report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wakeAll()", "mutex lock"); - d->wakeups = d->waiters; - report_error(pthread_cond_broadcast(&d->cond), "QWaitCondition::wakeAll()", "cv broadcast"); - report_error(pthread_mutex_unlock(&d->mutex), "QWaitCondition::wakeAll()", "mutex unlock"); -} - -void QWaitCondition::wait(QMutex *mutex) -{ - if (!mutex) return; - - report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wait()", "mutex lock"); - ++d->waiters; - mutex->unlock(); - d->wait(); - mutex->lock(); -} - |