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Open Source Computer Vision Library
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96 lines
2.7 KiB
96 lines
2.7 KiB
12 years ago
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2005, 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 -- implementation for Windows
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//
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//-----------------------------------------------------------------------------
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#include "IlmThread.h"
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#include "Iex.h"
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#include <iostream>
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#include <assert.h>
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namespace IlmThread {
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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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namespace {
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unsigned __stdcall
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threadLoop (void * t)
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{
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reinterpret_cast<Thread*>(t)->run();
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_endthreadex (0);
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return 0;
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}
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} // namespace
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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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DWORD status = ::WaitForSingleObject (_thread, INFINITE);
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assert (status == WAIT_OBJECT_0);
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bool ok = ::CloseHandle (_thread) != FALSE;
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assert (ok);
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}
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void
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Thread::start ()
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{
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unsigned id;
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_thread = (HANDLE)::_beginthreadex (0, 0, &threadLoop, this, 0, &id);
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if (_thread == 0)
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Iex::throwErrnoExc ("Cannot create new thread (%T).");
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}
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} // namespace IlmThread
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