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author | Joel Sherrill <joel.sherrill@oarcorp.com> | 2012-03-08 07:25:21 -0600 |
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committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2012-03-08 07:25:21 -0600 |
commit | e2d2bf579b8d9ac67c1fdf0ad419b22860b93b35 (patch) | |
tree | 4f285040086226090aa9f664e011ffd8ced0a03a /freebsd/sys/_semaphore.h | |
parent | Add wish list for freebsd-to-rtems.py (diff) | |
download | rtems-libbsd-e2d2bf579b8d9ac67c1fdf0ad419b22860b93b35.tar.bz2 |
Move rtems/freebsd to freebsd and contrib to freebsd/contrib
Diffstat (limited to 'freebsd/sys/_semaphore.h')
-rw-r--r-- | freebsd/sys/_semaphore.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/freebsd/sys/_semaphore.h b/freebsd/sys/_semaphore.h new file mode 100644 index 00000000..c04f3704 --- /dev/null +++ b/freebsd/sys/_semaphore.h @@ -0,0 +1,73 @@ +/*- + * 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. + * + * $FreeBSD$ + */ +#ifndef __SEMAPHORE_HH_ +#define __SEMAPHORE_HH_ + +typedef intptr_t semid_t; +struct timespec; + +#ifndef _KERNEL + +#include <rtems/freebsd/sys/cdefs.h> + +/* + * Semaphore definitions. + */ +struct sem { +#define SEM_MAGIC ((u_int32_t) 0x09fa4012) + u_int32_t magic; + pthread_mutex_t lock; + pthread_cond_t gtzero; + u_int32_t count; + u_int32_t nwaiters; +#define SEM_USER (NULL) + semid_t semid; /* semaphore id if kernel (shared) semaphore */ + int syssem; /* 1 if kernel (shared) semaphore */ + LIST_ENTRY(sem) entry; + struct sem **backpointer; +}; + +__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_HH_ */ |