author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 11 May 2010 17:13:44 +0300 | |
branch | RCL_3 |
changeset 70 | 8bfb9186a8b8 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2007 Apple Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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* its contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef Threading_h |
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#define Threading_h |
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#include <wtf/Noncopyable.h> |
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#include <pthread.h> |
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namespace WebCore { |
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class ThreadCondition; |
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class Mutex : Noncopyable { |
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friend class ThreadCondition; |
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public: |
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Mutex() { pthread_mutex_init(&m_mutex, NULL); } |
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~Mutex() { pthread_mutex_destroy(&m_mutex); } |
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int lock() { return pthread_mutex_lock(&m_mutex);} |
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int tryLock() { return pthread_mutex_trylock(&m_mutex); } |
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int unlock() { return pthread_mutex_unlock(&m_mutex); } |
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private: |
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pthread_mutex_t m_mutex; |
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}; |
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class MutexLocker : Noncopyable { |
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public: |
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MutexLocker(Mutex& mutex) : m_mutex(mutex) { m_mutex.lock(); } |
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~MutexLocker() { m_mutex.unlock(); } |
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private: |
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Mutex& m_mutex; |
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}; |
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class ThreadCondition : Noncopyable { |
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public: |
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ThreadCondition() { pthread_cond_init(&m_condition, NULL); } |
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~ThreadCondition() { pthread_cond_destroy(&m_condition); } |
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int wait(Mutex& mutex) { return pthread_cond_wait(&m_condition, &mutex.m_mutex); } |
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int signal() { return pthread_cond_signal(&m_condition); } |
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int broadcast() { return pthread_cond_broadcast(&m_condition); } |
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private: |
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pthread_cond_t m_condition; |
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}; |
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void callOnMainThread(void (*)()); |
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#if PLATFORM(WIN) |
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void initializeThreading(); |
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#else |
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inline void initializeThreading() |
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{ |
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} |
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#endif |
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} // namespace WebCore |
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#endif // Threading_h |