osx_barrier.h

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/*
 * University of Illinois Open Source License
 * Copyright 2012-2018 Luthey-Schulten Group,
 * All rights reserved.
 * 
 * Developed by: Luthey-Schulten Group
 *               University of Illinois at Urbana-Champaign
 *               http://www.scs.uiuc.edu/~schulten
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the Software), to deal with 
 * the Software without restriction, including without limitation the rights to 
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
 * of the Software, and to permit persons to whom the Software is furnished to 
 * do so, subject to the following conditions:
 * 
 * - Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimers.
 * 
 * - Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimers in the documentation 
 * and/or other materials provided with the distribution.
 * 
 * - Neither the names of the Luthey-Schulten Group, University of Illinois at
 * Urbana-Champaign, nor the names of its contributors may be used to endorse or
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
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 * Author(s): Mike Hallock
 */
 
#if defined(MACOSX)
#ifndef ___FAKE_BARRIER___
#define ___FAKE_BARRIER___
 
#include <pthread.h>
 
struct osx_barrier
{
    int participants;
    int current;
    pthread_mutex_t mutex;
    pthread_cond_t condition;
};
typedef struct osx_barrier pthread_barrier_t;
 
#define PTHREAD_BARRIER_SERIAL_THREAD 1
 
int pthread_barrier_init(pthread_barrier_t *b, void *attrs, int count);
int pthread_barrier_wait(pthread_barrier_t *b);
 
#endif
#endif