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Open Source Computer Vision Library
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116 lines
3.5 KiB
116 lines
3.5 KiB
/////////////////////////////////////////////////////////////////////////// |
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// |
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// Copyright (c) 2005-2012, 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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//----------------------------------------------------------------------------- |
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// |
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// class Thread -- this file contains two implementations of thread: |
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// - dummy implementation for platforms that do not support threading |
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// when OPENEXR_FORCE_CXX03 is on |
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// - c++11 and newer version |
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// |
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//----------------------------------------------------------------------------- |
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#include "IlmBaseConfig.h" |
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#include "IlmThread.h" |
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#include "Iex.h" |
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ILMTHREAD_INTERNAL_NAMESPACE_SOURCE_ENTER |
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#ifndef ILMBASE_FORCE_CXX03 |
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//----------------------------------------------------------------------------- |
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// C++11 and newer implementation |
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//----------------------------------------------------------------------------- |
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bool |
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supportsThreads () |
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{ |
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return true; |
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} |
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Thread::Thread () |
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{ |
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// empty |
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} |
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Thread::~Thread () |
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{ |
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// hopefully the thread has basically exited and we are just |
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// cleaning up, because run is a virtual function, so the v-table |
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// has already been partly destroyed... |
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if ( _thread.joinable () ) |
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_thread.join (); |
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} |
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void |
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Thread::start () |
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{ |
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_thread = std::thread (&Thread::run, this); |
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} |
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#else |
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# if !defined (_WIN32) &&!(_WIN64) && !(HAVE_PTHREAD) |
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//----------------------------------------------------------------------------- |
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// OPENEXR_FORCE_CXX03 with no windows / pthread support |
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//----------------------------------------------------------------------------- |
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bool |
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supportsThreads () |
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{ |
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return false; |
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} |
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Thread::Thread () |
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{ |
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throw IEX_NAMESPACE::NoImplExc ("Threads not supported on this platform."); |
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} |
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Thread::~Thread () |
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{ |
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throw IEX_NAMESPACE::NoImplExc ("Threads not supported on this platform."); |
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} |
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void |
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Thread::start () |
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{ |
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throw IEX_NAMESPACE::NoImplExc ("Threads not supported on this platform."); |
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} |
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# endif |
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#endif |
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ILMTHREAD_INTERNAL_NAMESPACE_SOURCE_EXIT |
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