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/* /////////////////////////////////////////////////////////////////////////
* File: pantheios/internal/threading.h * * Purpose: Detects whether the library is being built single- or * multi-threaded. * * Created: 20th November 2007 * Updated: 18th March 2012 * * Home: http://www.pantheios.org/
* * Copyright (c) 2007-2012, Matthew Wilson and Synesis Software * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - Neither the names of Matthew Wilson and Synesis Software nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * ////////////////////////////////////////////////////////////////////// */
/** \file pantheios/internal/threading.h
* * \brief [C, C++] INTERNAL FILE: Detects whether the library is being built * single- or multi-threaded. */
#ifndef PANTHEIOS_INCL_PANTHEIOS_INTERNAL_H_THREADING
#define PANTHEIOS_INCL_PANTHEIOS_INTERNAL_H_THREADING
/* /////////////////////////////////////////////////////////////////////////
* Includes */
#ifndef PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS
# include <pantheios/pantheios.h>
#endif /* !PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS */
#ifndef PLATFORMSTL_INCL_PLATFORMSTL_H_PLATFORMSTL
# include <platformstl/platformstl.h>
#endif /* !PLATFORMSTL_INCL_PLATFORMSTL_H_PLATFORMSTL */
#ifndef PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_UTIL_H_FEATURES
# include <platformstl/synch/util/features.h>
#endif /* !PLATFORMSTL_INCL_PLATFORMSTL_SYNCH_UTIL_H_FEATURES */
/* /////////////////////////////////////////////////////////////////////////
* Feature discrimination */
#ifdef PANTHEIOS_MT
# undef PANTHEIOS_MT
#endif /* PANTHEIOS_MT */
#ifdef PANTHEIOS_MT_HAS_ATOMIC_INTEGER_OPERATIONS
# undef PANTHEIOS_MT_HAS_ATOMIC_INTEGER_OPERATIONS
#endif /* PANTHEIOS_MT_HAS_ATOMIC_INTEGER_OPERATIONS */
/* Detect whether we're multithreaded */
#if defined(PANTHEIOS_FORCE_MT)
# define PANTHEIOS_MT
#elif !defined(PANTHEIOS_NO_MT)
# if defined(PLATFORMSTL_OS_IS_UNIX)
# if defined(UNIXSTL_USING_PTHREADS)
# define PANTHEIOS_MT
# endif /* UNIXSTL_USING_PTHREADS */
# elif defined(PLATFORMSTL_OS_IS_WINDOWS)
# if defined(__MT__) || \
defined(_REENTRANT) || \ defined(_MT)# define PANTHEIOS_MT
# endif /* ?? mt ?? */
# else /* ? OS */
# error Platform is not yet discriminated
# endif /* OS */
#endif /* PANTHEIOS_FORCE_MT || PANTHEIOS_NO_MT */
/* Detect whether, if we're multithreaded, we're using atomic integer ops */
#ifdef PANTHEIOS_MT
# if defined(PLATFORMSTL_HAS_ATOMIC_INTEGER_OPERATIONS) && \
!defined(PANTHEIOS_FORCE_NO_ATOMIC_INTEGER_OPERATIONS)# define PANTHEIOS_MT_HAS_ATOMIC_INTEGER_OPERATIONS
# endif
#endif /* PANTHEIOS_MT */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* PANTHEIOS_INCL_PANTHEIOS_INTERNAL_H_THREADING */
/* ///////////////////////////// end of file //////////////////////////// */
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