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Diffstat (limited to 'Source/JavaScriptCore/wtf/ParallelJobsLibdispatch.h')
-rw-r--r-- | Source/JavaScriptCore/wtf/ParallelJobsLibdispatch.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/Source/JavaScriptCore/wtf/ParallelJobsLibdispatch.h b/Source/JavaScriptCore/wtf/ParallelJobsLibdispatch.h deleted file mode 100644 index ca7d9a4e8..000000000 --- a/Source/JavaScriptCore/wtf/ParallelJobsLibdispatch.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (C) 2011 University of Szeged - * Copyright (C) 2011 Gabor Loki <loki@webkit.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef ParallelJobsLibdispatch_h -#define ParallelJobsLibdispatch_h - -#if ENABLE(THREADING_LIBDISPATCH) - -#include <dispatch/dispatch.h> - -namespace WTF { - -class ParallelEnvironment { - WTF_MAKE_FAST_ALLOCATED; -public: - typedef void (*ThreadFunction)(void*); - - ParallelEnvironment(ThreadFunction threadFunction, size_t sizeOfParameter, int requestedJobNumber) - : m_threadFunction(threadFunction) - , m_sizeOfParameter(sizeOfParameter) - , m_numberOfJobs(requestedJobNumber) - { - // We go with the requested number of jobs. libdispatch will distribute the work optimally. - ASSERT_ARG(requestedJobNumber, requestedJobNumber > 0); - } - - int numberOfJobs() - { - return m_numberOfJobs; - } - - void execute(unsigned char* parameters) - { - static dispatch_queue_t globalQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); - - dispatch_apply(m_numberOfJobs, globalQueue, ^(size_t i) { (*m_threadFunction)(parameters + (m_sizeOfParameter * i)); }); - } - -private: - ThreadFunction m_threadFunction; - size_t m_sizeOfParameter; - int m_numberOfJobs; -}; - -} // namespace WTF - -#endif // ENABLE(THREADING_LIBDISPATCH) - -#endif // ParallelJobsLibdispatch_h |