67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2010-2011, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// 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 are
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// met:
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// * 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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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#ifndef _PyImathTask_h_
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#define _PyImathTask_h_
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#include <PyImathExport.h>
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#include <unistd.h>
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namespace PyImath {
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struct PYIMATH_EXPORT Task
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{
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virtual ~Task() {}
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virtual void execute(size_t start,size_t end) = 0;
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virtual void execute(size_t start,size_t end, int tid) {execute(start,end);}
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};
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struct PYIMATH_EXPORT WorkerPool
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{
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virtual ~WorkerPool() {}
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virtual size_t workers() const = 0;
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virtual void dispatch(Task &task,size_t length) = 0;
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virtual bool inWorkerThread() const = 0;
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static WorkerPool *currentPool();
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static void setCurrentPool(WorkerPool *pool);
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};
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PYIMATH_EXPORT void dispatchTask(Task &task,size_t length);
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PYIMATH_EXPORT size_t workers();
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}
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#endif
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