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/src/FreeImage/Source/OpenEXR/IlmThread/IlmThreadWin32.cpp

https://bitbucket.org/cabalistic/ogredeps/
C++ | 95 lines | 38 code | 18 blank | 39 comment | 4 complexity | 730392473df4fb8a7f5b8628e2aa63a9 MD5 | raw file
 1///////////////////////////////////////////////////////////////////////////
 2//
 3// Copyright (c) 2005, Industrial Light & Magic, a division of Lucas
 4// Digital Ltd. LLC
 5// 
 6// All rights reserved.
 7// 
 8// Redistribution and use in source and binary forms, with or without
 9// modification, are permitted provided that the following conditions are
10// met:
11// *       Redistributions of source code must retain the above copyright
12// notice, this list of conditions and the following disclaimer.
13// *       Redistributions in binary form must reproduce the above
14// copyright notice, this list of conditions and the following disclaimer
15// in the documentation and/or other materials provided with the
16// distribution.
17// *       Neither the name of Industrial Light & Magic nor the names of
18// its contributors may be used to endorse or promote products derived
19// from this software without specific prior written permission. 
20// 
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33///////////////////////////////////////////////////////////////////////////
34
35//-----------------------------------------------------------------------------
36//
37//	class Thread -- implementation for Windows
38//
39//-----------------------------------------------------------------------------
40
41
42#include "IlmThread.h"
43#include "Iex.h"
44#include <iostream>
45#include <assert.h>
46
47namespace IlmThread {
48
49
50bool
51supportsThreads ()
52{
53    return true;
54}
55
56namespace {
57
58unsigned __stdcall
59threadLoop (void * t)
60{
61    reinterpret_cast<Thread*>(t)->run();
62    _endthreadex (0);
63    return 0;
64}
65
66} // namespace
67
68
69Thread::Thread ()
70{
71    // empty
72}
73
74
75Thread::~Thread ()
76{
77    DWORD status = ::WaitForSingleObject (_thread, INFINITE);
78    assert (status ==  WAIT_OBJECT_0);
79    bool ok = ::CloseHandle (_thread) != FALSE;
80    assert (ok);
81}
82
83
84void
85Thread::start ()
86{
87    unsigned id;
88    _thread = (HANDLE)::_beginthreadex (0, 0, &threadLoop, this, 0, &id);
89
90    if (_thread == 0)
91	Iex::throwErrnoExc ("Cannot create new thread (%T).");
92}
93
94
95} // namespace IlmThread