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Coin / src / threads / threadsutilp.h

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Lars J. Aas 92263e4 



Marius Kintel 3ba6b41 




























Lars J. Aas 92263e4 




















Tom Fredrik Blen… 9244e9d 
Lars J. Aas 92263e4 




Tom Fredrik Blen… 9244e9d 
Lars J. Aas 92263e4 


Tom Fredrik Blen… 9244e9d 
Lars J. Aas 92263e4 

Tom Fredrik Blen… 9244e9d 
Lars J. Aas 92263e4 






















#ifndef CC_THREADUTILP_H
#define CC_THREADUTILP_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 */

#ifdef HAVE_THREADS

#include <Inventor/C/threads/mutex.h>
#include <Inventor/C/threads/sync.h>

#include "threads/mutexp.h"

#define CC_MUTEX_CONSTRUCT(_mymutex_) \
  do { \
    cc_mutex_global_lock(); \
    if (_mymutex_ == NULL) { \
      _mymutex_ = static_cast<void*>(cc_mutex_construct()); \
    } \
    cc_mutex_global_unlock(); \
  } while (0)

#define CC_MUTEX_DESTRUCT(_mymutex_) \
  cc_mutex_destruct(static_cast<cc_mutex*>(_mymutex_));     \
  _mymutex_ = NULL

#define CC_MUTEX_LOCK(_mymutex_) \
  cc_mutex_lock(static_cast<cc_mutex *>(_mymutex_))

#define CC_MUTEX_UNLOCK(_mymutex_) \
  cc_mutex_unlock(static_cast<cc_mutex *>(_mymutex_))

#define CC_SYNC_BEGIN(_myid_) \
  void * coin_mydummysyncptr = cc_sync_begin((void*) _myid_)

#define CC_SYNC_END(_myid_) \
  cc_sync_end(coin_mydummysyncptr)

#define CC_GLOBAL_LOCK cc_mutex_global_lock()
#define CC_GLOBAL_UNLOCK cc_mutex_global_unlock()

#else /* ! HAVE_THREADS */

#define CC_MUTEX_CONSTRUCT(_mymutex_)  do { } while (0)
#define CC_MUTEX_DESTRUCT(_mymutex_)  do { } while (0)
#define CC_MUTEX_LOCK(_mymutex_)  do { } while (0)
#define CC_MUTEX_UNLOCK(_mymutex_)  do { } while (0)
#define CC_SYNC_BEGIN(_myid_)  do { } while (0)
#define CC_SYNC_END(_myid_)  do { } while (0)
#define CC_GLOBAL_LOCK  do { } while (0)
#define CC_GLOBAL_UNLOCK  do { } while (0)

#endif /* ! HAVE_THREADS */

#endif /* CC_THREADUTILP_H */