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authorJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-08 07:25:21 -0600
committerJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-08 07:25:21 -0600
commite2d2bf579b8d9ac67c1fdf0ad419b22860b93b35 (patch)
tree4f285040086226090aa9f664e011ffd8ced0a03a /freebsd/sys/_semaphore.h
parentAdd wish list for freebsd-to-rtems.py (diff)
downloadrtems-libbsd-e2d2bf579b8d9ac67c1fdf0ad419b22860b93b35.tar.bz2
Move rtems/freebsd to freebsd and contrib to freebsd/contrib
Diffstat (limited to 'freebsd/sys/_semaphore.h')
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1 files changed, 73 insertions, 0 deletions
diff --git a/freebsd/sys/_semaphore.h b/freebsd/sys/_semaphore.h
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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.
+ *
+ * $FreeBSD$
+ */
+#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_ */