FreeBSD/Linux Kernel Cross Reference
sys/sys/ksem.h
1 /* $NetBSD: ksem.h,v 1.4 2003/09/30 20:37:36 christos Exp $ */
2
3 /*
4 * Copyright (c) 2002 Alfred Perlstein <alfred@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #ifndef _SYS_KSEM_H_
30 #define _SYS_KSEM_H_
31
32 #include <sys/cdefs.h>
33
34 #ifdef _KERNEL
35 void ksem_init(void);
36 #endif
37
38 #ifdef _LIBC
39 __BEGIN_DECLS
40 int _ksem_close(semid_t);
41 int _ksem_destroy(semid_t);
42 int _ksem_getvalue(semid_t, int *);
43 int _ksem_init(unsigned int, semid_t *);
44 int _ksem_open(const char *, int, mode_t, unsigned int, semid_t *);
45 int _ksem_post(semid_t);
46 int _ksem_trywait(semid_t);
47 int _ksem_unlink(const char *);
48 int _ksem_wait(semid_t);
49 __END_DECLS
50 #endif /* _LIBC */
51
52 #endif /* _SYS_KSEM_H_ */
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