| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2008 Apple 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 | #ifndef _MACH_SEMAPHORE_H_␊ |
| 30 | #define _MACH_SEMAPHORE_H_␊ |
| 31 | ␊ |
| 32 | #include <mach/port.h>␊ |
| 33 | #include <mach/mach_types.h>␊ |
| 34 | #include <mach/kern_return.h>␊ |
| 35 | #include <mach/sync_policy.h>␊ |
| 36 | ␊ |
| 37 | /*␊ |
| 38 | *␉Forward Declarations␊ |
| 39 | *␊ |
| 40 | *␉The semaphore creation and deallocation routines are␊ |
| 41 | *␉defined with the Mach task APIs in <mach/task.h>.␊ |
| 42 | *␊ |
| 43 | * kern_return_t␉semaphore_create(task_t task,␊ |
| 44 | * semaphore_t *new_semaphore,␊ |
| 45 | *␉␉␉␉␉ sync_policy_t policy,␊ |
| 46 | *␉␉␉␉␉ int value);␊ |
| 47 | *␊ |
| 48 | *␉kern_return_t␉semaphore_destroy(task_t task,␊ |
| 49 | *␉␉␉␉␉ semaphore_t semaphore);␊ |
| 50 | */␊ |
| 51 | ␊ |
| 52 | #include <sys/cdefs.h>␊ |
| 53 | __BEGIN_DECLS␊ |
| 54 | ␊ |
| 55 | extern␉kern_return_t␉semaphore_signal ␉(semaphore_t semaphore);␊ |
| 56 | extern␉kern_return_t␉semaphore_signal_all ␉(semaphore_t semaphore);␊ |
| 57 | ␊ |
| 58 | extern␉kern_return_t␉semaphore_wait ␉(semaphore_t semaphore);␊ |
| 59 | ␊ |
| 60 | ␊ |
| 61 | extern␉kern_return_t␉semaphore_timedwait ␉(semaphore_t semaphore, ␊ |
| 62 | ␉␉␉␉␉␉␉␉␉␉␉␉ mach_timespec_t wait_time);␊ |
| 63 | ␊ |
| 64 | extern kern_return_t␉semaphore_timedwait_signal(semaphore_t wait_semaphore,␊ |
| 65 | ␉␉␉␉␉␉␉␉␉␉␉␉ semaphore_t signal_semaphore,␊ |
| 66 | ␉␉␉␉␉␉␉␉␉␉␉␉ mach_timespec_t wait_time);␊ |
| 67 | ␊ |
| 68 | extern kern_return_t semaphore_wait_signal (semaphore_t wait_semaphore,␊ |
| 69 | semaphore_t signal_semaphore);␊ |
| 70 | ␊ |
| 71 | extern␉kern_return_t␉semaphore_signal_thread␉(semaphore_t semaphore,␊ |
| 72 | thread_t thread);␊ |
| 73 | ␊ |
| 74 | ␊ |
| 75 | __END_DECLS␊ |
| 76 | ␊ |
| 77 | ␊ |
| 78 | #endif␉/* _MACH_SEMAPHORE_H_ */␊ |
| 79 | |
