xref: /xnu-8020.101.4/libsyscall/mach/semaphore.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions /*
2*e7776783SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*e7776783SApple OSS Distributions  *
4*e7776783SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*e7776783SApple OSS Distributions  *
6*e7776783SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*e7776783SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*e7776783SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*e7776783SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*e7776783SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*e7776783SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*e7776783SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*e7776783SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*e7776783SApple OSS Distributions  *
15*e7776783SApple OSS Distributions  * Please obtain a copy of the License at
16*e7776783SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*e7776783SApple OSS Distributions  *
18*e7776783SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*e7776783SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*e7776783SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*e7776783SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*e7776783SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*e7776783SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*e7776783SApple OSS Distributions  * limitations under the License.
25*e7776783SApple OSS Distributions  *
26*e7776783SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*e7776783SApple OSS Distributions  */
28*e7776783SApple OSS Distributions 
29*e7776783SApple OSS Distributions #include <mach/boolean.h>
30*e7776783SApple OSS Distributions #include <mach/message.h>
31*e7776783SApple OSS Distributions #include <mach/kern_return.h>
32*e7776783SApple OSS Distributions #include <mach/mach_traps.h>
33*e7776783SApple OSS Distributions #include <mach/mach_types.h>
34*e7776783SApple OSS Distributions #include <mach/clock_types.h>
35*e7776783SApple OSS Distributions 
36*e7776783SApple OSS Distributions kern_return_t
semaphore_signal(mach_port_t signal_semaphore)37*e7776783SApple OSS Distributions semaphore_signal(mach_port_t signal_semaphore)
38*e7776783SApple OSS Distributions {
39*e7776783SApple OSS Distributions 	return semaphore_signal_trap(signal_semaphore);
40*e7776783SApple OSS Distributions }
41*e7776783SApple OSS Distributions 
42*e7776783SApple OSS Distributions kern_return_t
semaphore_signal_all(mach_port_t signal_semaphore)43*e7776783SApple OSS Distributions semaphore_signal_all(mach_port_t signal_semaphore)
44*e7776783SApple OSS Distributions {
45*e7776783SApple OSS Distributions 	return semaphore_signal_all_trap(signal_semaphore);
46*e7776783SApple OSS Distributions }
47*e7776783SApple OSS Distributions 
48*e7776783SApple OSS Distributions kern_return_t
semaphore_signal_thread(mach_port_t signal_semaphore,mach_port_t thread_act)49*e7776783SApple OSS Distributions semaphore_signal_thread(mach_port_t signal_semaphore, mach_port_t thread_act)
50*e7776783SApple OSS Distributions {
51*e7776783SApple OSS Distributions 	return semaphore_signal_thread_trap(signal_semaphore, thread_act);
52*e7776783SApple OSS Distributions }
53*e7776783SApple OSS Distributions 
54*e7776783SApple OSS Distributions kern_return_t
semaphore_wait(mach_port_t wait_semaphore)55*e7776783SApple OSS Distributions semaphore_wait(mach_port_t wait_semaphore)
56*e7776783SApple OSS Distributions {
57*e7776783SApple OSS Distributions 	return semaphore_wait_trap(wait_semaphore);
58*e7776783SApple OSS Distributions }
59*e7776783SApple OSS Distributions 
60*e7776783SApple OSS Distributions kern_return_t
semaphore_timedwait(mach_port_t wait_semaphore,mach_timespec_t wait_time)61*e7776783SApple OSS Distributions semaphore_timedwait(mach_port_t wait_semaphore, mach_timespec_t wait_time)
62*e7776783SApple OSS Distributions {
63*e7776783SApple OSS Distributions 	return semaphore_timedwait_trap(wait_semaphore,
64*e7776783SApple OSS Distributions 	           wait_time.tv_sec,
65*e7776783SApple OSS Distributions 	           wait_time.tv_nsec);
66*e7776783SApple OSS Distributions }
67*e7776783SApple OSS Distributions 
68*e7776783SApple OSS Distributions kern_return_t
semaphore_wait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore)69*e7776783SApple OSS Distributions semaphore_wait_signal(mach_port_t wait_semaphore, mach_port_t signal_semaphore)
70*e7776783SApple OSS Distributions {
71*e7776783SApple OSS Distributions 	return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
72*e7776783SApple OSS Distributions }
73*e7776783SApple OSS Distributions 
74*e7776783SApple OSS Distributions kern_return_t
semaphore_timedwait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore,mach_timespec_t wait_time)75*e7776783SApple OSS Distributions semaphore_timedwait_signal(mach_port_t wait_semaphore,
76*e7776783SApple OSS Distributions     mach_port_t signal_semaphore,
77*e7776783SApple OSS Distributions     mach_timespec_t wait_time)
78*e7776783SApple OSS Distributions {
79*e7776783SApple OSS Distributions 	return semaphore_timedwait_signal_trap(wait_semaphore,
80*e7776783SApple OSS Distributions 	           signal_semaphore,
81*e7776783SApple OSS Distributions 	           wait_time.tv_sec,
82*e7776783SApple OSS Distributions 	           wait_time.tv_nsec);
83*e7776783SApple OSS Distributions }
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