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pantheios/internal/threading.h

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00001 /* /////////////////////////////////////////////////////////////////////////
00002  * File:        pantheios/internal/threading.h
00003  *
00004  * Purpose:     Detects whether the library is being built single- or
00005  *              multi-threaded.
00006  *
00007  * Created:     20th November 2007
00008  * Updated:     21st February 2010
00009  *
00010  * Home:        http://www.pantheios.org/
00011  *
00012  * Copyright (c) 2007-2010, Matthew Wilson and Synesis Software
00013  * All rights reserved.
00014  *
00015  * Redistribution and use in source and binary forms, with or without
00016  * modification, are permitted provided that the following conditions are
00017  * met:
00018  *
00019  * - Redistributions of source code must retain the above copyright notice,
00020  *   this list of conditions and the following disclaimer.
00021  * - Redistributions in binary form must reproduce the above copyright
00022  *   notice, this list of conditions and the following disclaimer in the
00023  *   documentation and/or other materials provided with the distribution.
00024  * - Neither the names of Matthew Wilson and Synesis Software nor the names
00025  *   of any contributors may be used to endorse or promote products derived
00026  *   from this software without specific prior written permission.
00027  *
00028  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00029  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
00030  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00031  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
00032  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00033  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00034  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00035  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00036  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00037  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00038  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00039  *
00040  * ////////////////////////////////////////////////////////////////////// */
00041 
00042 
00049 #ifndef PANTHEIOS_INCL_PANTHEIOS_INTERNAL_H_THREADING
00050 #define PANTHEIOS_INCL_PANTHEIOS_INTERNAL_H_THREADING
00051 
00052 /* /////////////////////////////////////////////////////////////////////////
00053  * Includes
00054  */
00055 
00056 #ifndef PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS
00057 # include <pantheios/pantheios.h>
00058 #endif /* !PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS */
00059 
00060 #ifndef PLATFORMSTL_INCL_PLATFORMSTL_H_PLATFORMSTL
00061 # include <platformstl/platformstl.h>
00062 #endif /* !PLATFORMSTL_INCL_PLATFORMSTL_H_PLATFORMSTL */
00063 #ifndef PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_UTIL_H_FEATURES
00064 # include <platformstl/synch/util/features.h>
00065 #endif /* !PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_UTIL_H_FEATURES */
00066 
00067 /* /////////////////////////////////////////////////////////////////////////
00068  * Feature discrimination
00069  */
00070 
00071 #ifdef PANTHEIOS_MT
00072 # undef PANTHEIOS_MT
00073 #endif /* PANTHEIOS_MT */
00074 
00075 #if defined(PANTHEIOS_FORCE_MT)
00076 # define PANTHEIOS_MT
00077 #elif !defined(PANTHEIOS_NO_MT)
00078 # if defined(PLATFORMSTL_OS_IS_UNIX)
00079 #  if defined(UNIXSTL_USING_PTHREADS)
00080 #   define PANTHEIOS_MT
00081 #  endif /* UNIXSTL_USING_PTHREADS */
00082 # elif defined(PLATFORMSTL_OS_IS_WINDOWS)
00083 #  if defined(__MT__) || \
00084       defined(_REENTRANT) || \
00085       defined(_MT)
00086 #   define PANTHEIOS_MT
00087 #  endif /* ?? mt ?? */
00088 # else /* ? OS */
00089 #  error Platform is not yet discriminated
00090 # endif /* OS */
00091 #endif /* PANTHEIOS_FORCE_MT || PANTHEIOS_NO_MT */
00092 
00093 /* ////////////////////////////////////////////////////////////////////// */
00094 
00095 #endif /* PANTHEIOS_INCL_PANTHEIOS_INTERNAL_H_THREADING */
00096 
00097 /* ///////////////////////////// end of file //////////////////////////// */

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