xref: /xnu-10002.41.9/libsyscall/mach/semaphore.c (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions /*
2*699cd480SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*699cd480SApple OSS Distributions  *
4*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*699cd480SApple OSS Distributions  *
6*699cd480SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*699cd480SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*699cd480SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*699cd480SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*699cd480SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*699cd480SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*699cd480SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*699cd480SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*699cd480SApple OSS Distributions  *
15*699cd480SApple OSS Distributions  * Please obtain a copy of the License at
16*699cd480SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*699cd480SApple OSS Distributions  *
18*699cd480SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*699cd480SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*699cd480SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*699cd480SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*699cd480SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*699cd480SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*699cd480SApple OSS Distributions  * limitations under the License.
25*699cd480SApple OSS Distributions  *
26*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*699cd480SApple OSS Distributions  */
28*699cd480SApple OSS Distributions 
29*699cd480SApple OSS Distributions #include <mach/boolean.h>
30*699cd480SApple OSS Distributions #include <mach/message.h>
31*699cd480SApple OSS Distributions #include <mach/kern_return.h>
32*699cd480SApple OSS Distributions #include <mach/mach_traps.h>
33*699cd480SApple OSS Distributions #include <mach/mach_types.h>
34*699cd480SApple OSS Distributions #include <mach/clock_types.h>
35*699cd480SApple OSS Distributions 
36*699cd480SApple OSS Distributions kern_return_t
semaphore_signal(mach_port_t signal_semaphore)37*699cd480SApple OSS Distributions semaphore_signal(mach_port_t signal_semaphore)
38*699cd480SApple OSS Distributions {
39*699cd480SApple OSS Distributions 	return semaphore_signal_trap(signal_semaphore);
40*699cd480SApple OSS Distributions }
41*699cd480SApple OSS Distributions 
42*699cd480SApple OSS Distributions kern_return_t
semaphore_signal_all(mach_port_t signal_semaphore)43*699cd480SApple OSS Distributions semaphore_signal_all(mach_port_t signal_semaphore)
44*699cd480SApple OSS Distributions {
45*699cd480SApple OSS Distributions 	return semaphore_signal_all_trap(signal_semaphore);
46*699cd480SApple OSS Distributions }
47*699cd480SApple OSS Distributions 
48*699cd480SApple OSS Distributions kern_return_t
semaphore_signal_thread(mach_port_t signal_semaphore,mach_port_t thread_act)49*699cd480SApple OSS Distributions semaphore_signal_thread(mach_port_t signal_semaphore, mach_port_t thread_act)
50*699cd480SApple OSS Distributions {
51*699cd480SApple OSS Distributions 	return semaphore_signal_thread_trap(signal_semaphore, thread_act);
52*699cd480SApple OSS Distributions }
53*699cd480SApple OSS Distributions 
54*699cd480SApple OSS Distributions kern_return_t
semaphore_wait(mach_port_t wait_semaphore)55*699cd480SApple OSS Distributions semaphore_wait(mach_port_t wait_semaphore)
56*699cd480SApple OSS Distributions {
57*699cd480SApple OSS Distributions 	return semaphore_wait_trap(wait_semaphore);
58*699cd480SApple OSS Distributions }
59*699cd480SApple OSS Distributions 
60*699cd480SApple OSS Distributions kern_return_t
semaphore_timedwait(mach_port_t wait_semaphore,mach_timespec_t wait_time)61*699cd480SApple OSS Distributions semaphore_timedwait(mach_port_t wait_semaphore, mach_timespec_t wait_time)
62*699cd480SApple OSS Distributions {
63*699cd480SApple OSS Distributions 	return semaphore_timedwait_trap(wait_semaphore,
64*699cd480SApple OSS Distributions 	           wait_time.tv_sec,
65*699cd480SApple OSS Distributions 	           wait_time.tv_nsec);
66*699cd480SApple OSS Distributions }
67*699cd480SApple OSS Distributions 
68*699cd480SApple OSS Distributions kern_return_t
semaphore_wait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore)69*699cd480SApple OSS Distributions semaphore_wait_signal(mach_port_t wait_semaphore, mach_port_t signal_semaphore)
70*699cd480SApple OSS Distributions {
71*699cd480SApple OSS Distributions 	return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
72*699cd480SApple OSS Distributions }
73*699cd480SApple OSS Distributions 
74*699cd480SApple OSS Distributions kern_return_t
semaphore_timedwait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore,mach_timespec_t wait_time)75*699cd480SApple OSS Distributions semaphore_timedwait_signal(mach_port_t wait_semaphore,
76*699cd480SApple OSS Distributions     mach_port_t signal_semaphore,
77*699cd480SApple OSS Distributions     mach_timespec_t wait_time)
78*699cd480SApple OSS Distributions {
79*699cd480SApple OSS Distributions 	return semaphore_timedwait_signal_trap(wait_semaphore,
80*699cd480SApple OSS Distributions 	           signal_semaphore,
81*699cd480SApple OSS Distributions 	           wait_time.tv_sec,
82*699cd480SApple OSS Distributions 	           wait_time.tv_nsec);
83*699cd480SApple OSS Distributions }
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