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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 *
31 */
32/*
33 * File: mach/semaphore.defs
34 * Author: Joseph CaraDonna
35 *
36 * Exported kernel calls
37 *
38 */
39
40subsystem
41#if KERNEL_SERVER
42 KernelServer
43#endif /* KERNEL_SERVER */
44 semaphore 617200;
45
46#include <mach/std_types.defs>
47#include <mach/mach_types.defs>
48#include <mach/clock_types.defs>
49
50/*
51 * a semaphore_t is created and destroyed through the task object.
52 * semaphore_create(task_t,&semaphore_t,...);
53 * semaphore_destroy(task_t,semaphore_t);
54 */
55
56routine semaphore_signal(
57 semaphore : semaphore_t);
58
59routine semaphore_signal_all(
60 semaphore : semaphore_t);
61
62routine semaphore_wait(
63 semaphore : semaphore_t);
64
65
66routine semaphore_signal_thread(
67 semaphore : semaphore_t;
68 thread : thread_act_t);
69
70routine semaphore_timedwait(
71 semaphore : semaphore_t;
72 wait_time : mach_timespec_t);
73
74routine semaphore_wait_signal(
75 wait_semaphore : semaphore_t;
76 signal_semaphore: semaphore_t);
77
78routine semaphore_timedwait_signal(
79 wait_semaphore : semaphore_t;
80 signal_semaphore: semaphore_t;
81 wait_time : mach_timespec_t);
82
83/* vim: set ft=c : */