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 * 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.
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 *     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
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 */



// rwlock.cpp: wrappers of Slim Reader/Writer (SRW) Locks

#include "rwlock.h"


#include <stdlib.h>
void wtlock(prwlock_t lock)
{
    int ret = pthread_rwlock_wrlock(lock);
    if(0 != ret)
        abort();
}

void wtunlock(prwlock_t lock)
{
    int ret = pthread_rwlock_unlock(lock);
    if(0 != ret)
        abort();
}


void rdlock(prwlock_t lock)
{
    int ret = pthread_rwlock_rdlock(lock);
    if(0 != ret)
        abort();
}

void rdunlock(prwlock_t lock)
{
    int ret = pthread_rwlock_unlock(lock);
    if(0 != ret)
        abort();
}

void init_rwlock(prwlock_t lock)
{
    //use the default attribute.
    int ret = pthread_rwlock_init(lock, NULL);
    if(0 != ret)
        abort();
}

void fini_rwlock(prwlock_t lock)
{
    int ret = pthread_rwlock_destroy(lock);
    if(0 != ret)
        abort();
}


