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878af7ada8
3rdparty: update OpenEXR 2.3.0 (#14725) * openexr 2.2.1 * openexr 2.3.0 * openexr: build fixes * openexr: build dwa tables on-demand
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
///////////////////////////////////////////////////////////////////////////
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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 Mutex -- implementation for
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// platforms that support Posix threads
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//
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//-----------------------------------------------------------------------------
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#include "IlmBaseConfig.h"
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#ifdef ILMBASE_FORCE_CXX03
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# if HAVE_PTHREAD
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# include "IlmThreadMutex.h"
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# include "Iex.h"
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# include <assert.h>
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ILMTHREAD_INTERNAL_NAMESPACE_SOURCE_ENTER
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Mutex::Mutex ()
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{
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if (int error = ::pthread_mutex_init (&_mutex, 0))
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IEX_INTERNAL_NAMESPACE::throwErrnoExc ("Cannot initialize mutex (%T).", error);
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}
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Mutex::~Mutex ()
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{
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int error = ::pthread_mutex_destroy (&_mutex);
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assert (error == 0);
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}
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void
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Mutex::lock () const
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{
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if (int error = ::pthread_mutex_lock (&_mutex))
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IEX_INTERNAL_NAMESPACE::throwErrnoExc ("Cannot lock mutex (%T).", error);
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}
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void
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Mutex::unlock () const
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{
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if (int error = ::pthread_mutex_unlock (&_mutex))
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IEX_INTERNAL_NAMESPACE::throwErrnoExc ("Cannot unlock mutex (%T).", error);
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}
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ILMTHREAD_INTERNAL_NAMESPACE_SOURCE_EXIT
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# endif
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#endif
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