/*
* Copyright 2014-2017, Intel Corporation
*
* 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
* OWNER 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.
*/
/*
* libpmemobj/thread.h -- definitions of libpmemobj thread/locking entry points
*/
#ifndef LIBPMEMOBJ_THREAD_H
#define LIBPMEMOBJ_THREAD_H 1
#include <time.h>
#include <libpmemobj/base.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Locking.
*/
#define _POBJ_CL_SIZE 64 /* cache line size */
typedef union {
long long align;
char padding[_POBJ_CL_SIZE];
} PMEMmutex;
typedef union {
long long align;
char padding[_POBJ_CL_SIZE];
} PMEMrwlock;
typedef union {
long long align;
char padding[_POBJ_CL_SIZE];
} PMEMcond;
void pmemobj_mutex_zero(PMEMobjpool *pop, PMEMmutex *mutexp);
int pmemobj_mutex_lock(PMEMobjpool *pop, PMEMmutex *mutexp);
int pmemobj_mutex_timedlock(PMEMobjpool *pop, PMEMmutex *__restrict mutexp,
const struct timespec *__restrict abs_timeout);
int pmemobj_mutex_trylock(PMEMobjpool *pop, PMEMmutex *mutexp);
int pmemobj_mutex_unlock(PMEMobjpool *pop, PMEMmutex *mutexp);
void pmemobj_rwlock_zero(PMEMobjpool *pop, PMEMrwlock *rwlockp);
int pmemobj_rwlock_rdlock(PMEMobjpool *pop, PMEMrwlock *rwlockp);
int pmemobj_rwlock_wrlock(PMEMobjpool *pop, PMEMrwlock *rwlockp);
int pmemobj_rwlock_timedrdlock(PMEMobjpool *pop,
PMEMrwlock *__restrict rwlockp,
const struct timespec *__restrict abs_timeout);
int pmemobj_rwlock_timedwrlock(PMEMobjpool *pop,
PMEMrwlock *__restrict rwlockp,
const struct timespec *__restrict abs_timeout);
int pmemobj_rwlock_tryrdlock(PMEMobjpool *pop, PMEMrwlock *rwlockp);
int pmemobj_rwlock_trywrlock(PMEMobjpool *pop, PMEMrwlock *rwlockp);
int pmemobj_rwlock_unlock(PMEMobjpool *pop, PMEMrwlock *rwlockp);
void pmemobj_cond_zero(PMEMobjpool *pop, PMEMcond *condp);
int pmemobj_cond_broadcast(PMEMobjpool *pop, PMEMcond *condp);
int pmemobj_cond_signal(PMEMobjpool *pop, PMEMcond *condp);
int pmemobj_cond_timedwait(PMEMobjpool *pop, PMEMcond *__restrict condp,
PMEMmutex *__restrict mutexp,
const struct timespec *__restrict abs_timeout);
int pmemobj_cond_wait(PMEMobjpool *pop, PMEMcond *condp,
PMEMmutex *__restrict mutexp);
#ifdef __cplusplus
}
#endif
#endif /* libpmemobj/thread.h */