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/*-
* Copyright (c) 2002 Alfred Perlstein <alfred@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/sys/sys/_semaphore.h 201546 2010-01-05 02:37:59Z davidxu $
*/
#ifndef __SEMAPHORE_H_
#define __SEMAPHORE_H_
typedef intptr_t semid_t;
struct timespec;
#define SEM_VALUE_MAX __INT_MAX
#ifndef _KERNEL
__BEGIN_DECLS
int ksem_close(semid_t id);
int ksem_post(semid_t id);
int ksem_wait(semid_t id);
int ksem_trywait(semid_t id);
int ksem_timedwait(semid_t id, const struct timespec *abstime);
int ksem_init(semid_t *idp, unsigned int value);
int ksem_open(semid_t *idp, const char *name, int oflag, mode_t mode,
unsigned int value);
int ksem_unlink(const char *name);
int ksem_getvalue(semid_t id, int *val);
int ksem_destroy(semid_t id);
__END_DECLS
#endif /* !_KERNEL */
#endif /* __SEMAPHORE_H_ */