xref: /xnu-11215.81.4/libsyscall/mach/semaphore.c (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions /*
2*d4514f0bSApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*d4514f0bSApple OSS Distributions  *
4*d4514f0bSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*d4514f0bSApple OSS Distributions  *
6*d4514f0bSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*d4514f0bSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*d4514f0bSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*d4514f0bSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*d4514f0bSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*d4514f0bSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*d4514f0bSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*d4514f0bSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*d4514f0bSApple OSS Distributions  *
15*d4514f0bSApple OSS Distributions  * Please obtain a copy of the License at
16*d4514f0bSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*d4514f0bSApple OSS Distributions  *
18*d4514f0bSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*d4514f0bSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*d4514f0bSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*d4514f0bSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*d4514f0bSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*d4514f0bSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*d4514f0bSApple OSS Distributions  * limitations under the License.
25*d4514f0bSApple OSS Distributions  *
26*d4514f0bSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*d4514f0bSApple OSS Distributions  */
28*d4514f0bSApple OSS Distributions 
29*d4514f0bSApple OSS Distributions #include <mach/boolean.h>
30*d4514f0bSApple OSS Distributions #include <mach/message.h>
31*d4514f0bSApple OSS Distributions #include <mach/kern_return.h>
32*d4514f0bSApple OSS Distributions #include <mach/mach_traps.h>
33*d4514f0bSApple OSS Distributions #include <mach/mach_types.h>
34*d4514f0bSApple OSS Distributions #include <mach/clock_types.h>
35*d4514f0bSApple OSS Distributions 
36*d4514f0bSApple OSS Distributions kern_return_t
semaphore_signal(mach_port_t signal_semaphore)37*d4514f0bSApple OSS Distributions semaphore_signal(mach_port_t signal_semaphore)
38*d4514f0bSApple OSS Distributions {
39*d4514f0bSApple OSS Distributions 	return semaphore_signal_trap(signal_semaphore);
40*d4514f0bSApple OSS Distributions }
41*d4514f0bSApple OSS Distributions 
42*d4514f0bSApple OSS Distributions kern_return_t
semaphore_signal_all(mach_port_t signal_semaphore)43*d4514f0bSApple OSS Distributions semaphore_signal_all(mach_port_t signal_semaphore)
44*d4514f0bSApple OSS Distributions {
45*d4514f0bSApple OSS Distributions 	return semaphore_signal_all_trap(signal_semaphore);
46*d4514f0bSApple OSS Distributions }
47*d4514f0bSApple OSS Distributions 
48*d4514f0bSApple OSS Distributions kern_return_t
semaphore_signal_thread(mach_port_t signal_semaphore,mach_port_t thread_act)49*d4514f0bSApple OSS Distributions semaphore_signal_thread(mach_port_t signal_semaphore, mach_port_t thread_act)
50*d4514f0bSApple OSS Distributions {
51*d4514f0bSApple OSS Distributions 	return semaphore_signal_thread_trap(signal_semaphore, thread_act);
52*d4514f0bSApple OSS Distributions }
53*d4514f0bSApple OSS Distributions 
54*d4514f0bSApple OSS Distributions kern_return_t
semaphore_wait(mach_port_t wait_semaphore)55*d4514f0bSApple OSS Distributions semaphore_wait(mach_port_t wait_semaphore)
56*d4514f0bSApple OSS Distributions {
57*d4514f0bSApple OSS Distributions 	return semaphore_wait_trap(wait_semaphore);
58*d4514f0bSApple OSS Distributions }
59*d4514f0bSApple OSS Distributions 
60*d4514f0bSApple OSS Distributions kern_return_t
semaphore_timedwait(mach_port_t wait_semaphore,mach_timespec_t wait_time)61*d4514f0bSApple OSS Distributions semaphore_timedwait(mach_port_t wait_semaphore, mach_timespec_t wait_time)
62*d4514f0bSApple OSS Distributions {
63*d4514f0bSApple OSS Distributions 	return semaphore_timedwait_trap(wait_semaphore,
64*d4514f0bSApple OSS Distributions 	           wait_time.tv_sec,
65*d4514f0bSApple OSS Distributions 	           wait_time.tv_nsec);
66*d4514f0bSApple OSS Distributions }
67*d4514f0bSApple OSS Distributions 
68*d4514f0bSApple OSS Distributions kern_return_t
semaphore_wait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore)69*d4514f0bSApple OSS Distributions semaphore_wait_signal(mach_port_t wait_semaphore, mach_port_t signal_semaphore)
70*d4514f0bSApple OSS Distributions {
71*d4514f0bSApple OSS Distributions 	return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
72*d4514f0bSApple OSS Distributions }
73*d4514f0bSApple OSS Distributions 
74*d4514f0bSApple OSS Distributions kern_return_t
semaphore_timedwait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore,mach_timespec_t wait_time)75*d4514f0bSApple OSS Distributions semaphore_timedwait_signal(mach_port_t wait_semaphore,
76*d4514f0bSApple OSS Distributions     mach_port_t signal_semaphore,
77*d4514f0bSApple OSS Distributions     mach_timespec_t wait_time)
78*d4514f0bSApple OSS Distributions {
79*d4514f0bSApple OSS Distributions 	return semaphore_timedwait_signal_trap(wait_semaphore,
80*d4514f0bSApple OSS Distributions 	           signal_semaphore,
81*d4514f0bSApple OSS Distributions 	           wait_time.tv_sec,
82*d4514f0bSApple OSS Distributions 	           wait_time.tv_nsec);
83*d4514f0bSApple OSS Distributions }
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