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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2007 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
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***************************************************************************/ |
***************************************************************************/ |
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#ifdef HAVE_CONFIG_H |
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# include <config.h> |
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#endif |
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#ifndef _GNU_SOURCE |
#ifndef _GNU_SOURCE |
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# define _GNU_SOURCE 1 /* so _XOPEN_SOURCE will be defined by features.h */ |
# define _GNU_SOURCE 1 /* so _XOPEN_SOURCE will be defined by features.h */ |
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#endif |
#endif |
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#include <features.h> |
#ifdef HAVE_FEATURES_H |
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# include <features.h> |
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#endif |
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#if !defined(_XOPEN_SOURCE) || _XOPEN_SOURCE < 500 |
#if !defined(_XOPEN_SOURCE) || _XOPEN_SOURCE < 500 |
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# undef _XOPEN_SOURCE |
# undef _XOPEN_SOURCE |
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#include "Mutex.h" |
#include "Mutex.h" |
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namespace LinuxSampler { |
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Mutex::Mutex() { |
Mutex::Mutex() { |
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pthread_mutexattr_init(&__posix_mutexattr); |
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// the following function call only works on UNIX98 compatible systems |
// the following function call only works on UNIX98 compatible systems |
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#if (_XOPEN_SOURCE > 500) |
#if (_XOPEN_SOURCE > 500) || defined(__APPLE__) |
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// Mac OS X Note: 10.4 (and later) does support PTHREAD_MUTEX_ERRORCHECK, and |
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// actually LinuxSampler does not work if this call is omitted. However, |
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// defining _XOPEN_SOURCE macro seems to cause other problems. As a workaround, |
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// the symbol __APPLE__ is checked here. There should be a better solution |
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// to this problem. (Toshi Nagata, 27 Mar 2007) |
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if (pthread_mutexattr_settype(&__posix_mutexattr, PTHREAD_MUTEX_ERRORCHECK)) { |
if (pthread_mutexattr_settype(&__posix_mutexattr, PTHREAD_MUTEX_ERRORCHECK)) { |
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std::cout << "Mutex Constructor: Fatal error - unable to pthread_mutexattr_settype(PTHREAD_MUTEX_ERRORCHECK)\n" << std::flush; |
std::cout << "Mutex Constructor: Fatal error - unable to pthread_mutexattr_settype(PTHREAD_MUTEX_ERRORCHECK)\n" << std::flush; |
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exit(-1); |
exit(-1); |
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Mutex::~Mutex() { |
Mutex::~Mutex() { |
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pthread_mutex_destroy(&__posix_mutex); |
pthread_mutex_destroy(&__posix_mutex); |
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pthread_mutexattr_destroy(&__posix_mutexattr); |
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} |
} |
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void Mutex::Lock() { |
void Mutex::Lock() { |
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void Mutex::Unlock() { |
void Mutex::Unlock() { |
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pthread_mutex_unlock(&__posix_mutex); |
pthread_mutex_unlock(&__posix_mutex); |
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} |
} |
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} // namespace LinuxSampler |