xref: /xnu-11417.121.6/libsyscall/mach/semaphore.c (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)
1*a1e26a70SApple OSS Distributions /*
2*a1e26a70SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*a1e26a70SApple OSS Distributions  *
4*a1e26a70SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*a1e26a70SApple OSS Distributions  *
6*a1e26a70SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*a1e26a70SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*a1e26a70SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*a1e26a70SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*a1e26a70SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*a1e26a70SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*a1e26a70SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*a1e26a70SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*a1e26a70SApple OSS Distributions  *
15*a1e26a70SApple OSS Distributions  * Please obtain a copy of the License at
16*a1e26a70SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*a1e26a70SApple OSS Distributions  *
18*a1e26a70SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*a1e26a70SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*a1e26a70SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*a1e26a70SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*a1e26a70SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*a1e26a70SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*a1e26a70SApple OSS Distributions  * limitations under the License.
25*a1e26a70SApple OSS Distributions  *
26*a1e26a70SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*a1e26a70SApple OSS Distributions  */
28*a1e26a70SApple OSS Distributions 
29*a1e26a70SApple OSS Distributions #include <mach/boolean.h>
30*a1e26a70SApple OSS Distributions #include <mach/message.h>
31*a1e26a70SApple OSS Distributions #include <mach/kern_return.h>
32*a1e26a70SApple OSS Distributions #include <mach/mach_traps.h>
33*a1e26a70SApple OSS Distributions #include <mach/mach_types.h>
34*a1e26a70SApple OSS Distributions #include <mach/clock_types.h>
35*a1e26a70SApple OSS Distributions 
36*a1e26a70SApple OSS Distributions kern_return_t
semaphore_signal(mach_port_t signal_semaphore)37*a1e26a70SApple OSS Distributions semaphore_signal(mach_port_t signal_semaphore)
38*a1e26a70SApple OSS Distributions {
39*a1e26a70SApple OSS Distributions 	return semaphore_signal_trap(signal_semaphore);
40*a1e26a70SApple OSS Distributions }
41*a1e26a70SApple OSS Distributions 
42*a1e26a70SApple OSS Distributions kern_return_t
semaphore_signal_all(mach_port_t signal_semaphore)43*a1e26a70SApple OSS Distributions semaphore_signal_all(mach_port_t signal_semaphore)
44*a1e26a70SApple OSS Distributions {
45*a1e26a70SApple OSS Distributions 	return semaphore_signal_all_trap(signal_semaphore);
46*a1e26a70SApple OSS Distributions }
47*a1e26a70SApple OSS Distributions 
48*a1e26a70SApple OSS Distributions kern_return_t
semaphore_signal_thread(mach_port_t signal_semaphore,mach_port_t thread_act)49*a1e26a70SApple OSS Distributions semaphore_signal_thread(mach_port_t signal_semaphore, mach_port_t thread_act)
50*a1e26a70SApple OSS Distributions {
51*a1e26a70SApple OSS Distributions 	return semaphore_signal_thread_trap(signal_semaphore, thread_act);
52*a1e26a70SApple OSS Distributions }
53*a1e26a70SApple OSS Distributions 
54*a1e26a70SApple OSS Distributions kern_return_t
semaphore_wait(mach_port_t wait_semaphore)55*a1e26a70SApple OSS Distributions semaphore_wait(mach_port_t wait_semaphore)
56*a1e26a70SApple OSS Distributions {
57*a1e26a70SApple OSS Distributions 	return semaphore_wait_trap(wait_semaphore);
58*a1e26a70SApple OSS Distributions }
59*a1e26a70SApple OSS Distributions 
60*a1e26a70SApple OSS Distributions kern_return_t
semaphore_timedwait(mach_port_t wait_semaphore,mach_timespec_t wait_time)61*a1e26a70SApple OSS Distributions semaphore_timedwait(mach_port_t wait_semaphore, mach_timespec_t wait_time)
62*a1e26a70SApple OSS Distributions {
63*a1e26a70SApple OSS Distributions 	return semaphore_timedwait_trap(wait_semaphore,
64*a1e26a70SApple OSS Distributions 	           wait_time.tv_sec,
65*a1e26a70SApple OSS Distributions 	           wait_time.tv_nsec);
66*a1e26a70SApple OSS Distributions }
67*a1e26a70SApple OSS Distributions 
68*a1e26a70SApple OSS Distributions kern_return_t
semaphore_wait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore)69*a1e26a70SApple OSS Distributions semaphore_wait_signal(mach_port_t wait_semaphore, mach_port_t signal_semaphore)
70*a1e26a70SApple OSS Distributions {
71*a1e26a70SApple OSS Distributions 	return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
72*a1e26a70SApple OSS Distributions }
73*a1e26a70SApple OSS Distributions 
74*a1e26a70SApple OSS Distributions kern_return_t
semaphore_timedwait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore,mach_timespec_t wait_time)75*a1e26a70SApple OSS Distributions semaphore_timedwait_signal(mach_port_t wait_semaphore,
76*a1e26a70SApple OSS Distributions     mach_port_t signal_semaphore,
77*a1e26a70SApple OSS Distributions     mach_timespec_t wait_time)
78*a1e26a70SApple OSS Distributions {
79*a1e26a70SApple OSS Distributions 	return semaphore_timedwait_signal_trap(wait_semaphore,
80*a1e26a70SApple OSS Distributions 	           signal_semaphore,
81*a1e26a70SApple OSS Distributions 	           wait_time.tv_sec,
82*a1e26a70SApple OSS Distributions 	           wait_time.tv_nsec);
83*a1e26a70SApple OSS Distributions }
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