zfs/lib/libspl/include/thread.h

83 lines
2.1 KiB
C

/*
* Copyright (c) 2006 OmniTI, Inc. All rights reserved
* This header file distributed under the terms of the CDDL.
* Portions Copyright 2004 Sun Microsystems, Inc. All Rights reserved.
*/
#ifndef _SYS_THREAD_H
#define _SYS_THREAD_H
#include <pthread.h>
#include <sys/time.h>
#include <sys/types.h>
typedef pthread_t thread_t;
typedef pthread_mutex_t mutex_t;
typedef pthread_cond_t cond_t;
#define THR_BOUND 1
#define THR_DETACHED 2
#define THR_DAEMON 4
#define USYNC_THREAD 0x00 /* private to a process */
#define USYNC_PROCESS 0x01 /* shared by processes */
#define thr_self() pthread_self()
#define thr_sigsetmask pthread_sigmask
#define __nthreads() 2 /* XXX: Force multi-thread */
static inline int
thr_create(void *stack_base, size_t stack_size,
void *(*start_func)(void *), void *arg,
long flags, thread_t *new_thread_id)
{
pthread_attr_t attr;
int rc;
pthread_attr_init(&attr);
if (flags & THR_DETACHED)
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(new_thread_id, &attr, start_func, arg);
pthread_attr_destroy(&attr);
return rc;
}
static inline int
mutex_held(mutex_t *mp)
{
int rc;
rc = pthread_mutex_trylock(mp);
if (rc)
return rc;
pthread_mutex_unlock(mp);
return rc;
}
#define MUTEX_HELD(mp) mutex_held(mp)
#define mutex_init(mp, type, arg) pthread_mutex_init(mp, NULL)
#define mutex_lock(mp) pthread_mutex_lock(mp)
#define mutex_unlock(mp) pthread_mutex_unlock(mp)
#define mutex_destroy(mp) pthread_mutex_destroy(mp)
#define mutex_trylock(mp) pthread_mutex_trylock(mp)
#define DEFAULTMUTEX PTHREAD_MUTEX_INITIALIZER
#define DEFAULTCV PTHREAD_COND_INITIALIZER
#define cond_init(c, type, arg) pthread_cond_init(c, NULL)
#define cond_wait(c, m) pthread_cond_wait(c, m)
#define _cond_wait(c, m) pthread_cond_wait(c, m)
#define cond_signal(c) pthread_cond_signal(c)
#define cond_broadcast(c) pthread_cond_broadcast(c)
#define cond_destroy(c) pthread_cond_destroy(c)
#define cond_timedwait pthread_cond_timedwait
#define _cond_timedwait pthread_cond_timedwait
#ifndef RTLD_FIRST
#define RTLD_FIRST 0
#endif
#endif /* _SYS_THREAD_H */