Coin / src / threads / mutexp.h

#ifndef CC_MUTEXP_H
#define CC_MUTEXP_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * 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 name of the copyright holder nor the names of its
 * 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
 * HOLDER 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.
\**************************************************************************/

#ifndef COIN_INTERNAL
#error this is a private header file
#endif /* ! COIN_INTERNAL */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */

#define NO_IMPLEMENTATION
#ifdef USE_PTHREAD
#include <pthread.h>
#undef NO_IMPLEMENTATION
#endif /* USE_PTHREAD */

#ifdef USE_W32THREAD
#include <windows.h>
#undef NO_IMPLEMENTATION
#endif /* USE_W32THREAD */

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* ********************************************************************** */

struct cc_mutex {
#ifdef USE_PTHREAD
  struct cc_pthread_mutex_data {
    pthread_mutex_t mutexid;
  } pthread;
#endif /* USE_PTHREAD */
#ifdef USE_W32THREAD
  union cc_w32thread_mutex_data {
    HANDLE mutexhandle;
    CRITICAL_SECTION critical_section;
  } w32thread;
#endif /* USE_W32THREAD */
};

#ifdef NO_IMPLEMENTATION
#error missing threads implementation support
#endif /* ! NO_IMPLEMENTATION */

/* ********************************************************************** */

void cc_mutex_init(void);
void cc_mutex_global_lock(void);
void cc_mutex_global_unlock(void);
void cc_mutex_struct_init(cc_mutex * mutex_struct);
void cc_mutex_struct_clean(cc_mutex * mutex_struct);

/* ********************************************************************** */

#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */

#endif /* ! CC_MUTEXP_H */
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