xref: /xnu-11417.101.15/libsyscall/mach/semaphore.c (revision e3723e1f17661b24996789d8afc084c0c3303b26)
1*e3723e1fSApple OSS Distributions /*
2*e3723e1fSApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*e3723e1fSApple OSS Distributions  *
4*e3723e1fSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*e3723e1fSApple OSS Distributions  *
6*e3723e1fSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*e3723e1fSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*e3723e1fSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*e3723e1fSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*e3723e1fSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*e3723e1fSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*e3723e1fSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*e3723e1fSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*e3723e1fSApple OSS Distributions  *
15*e3723e1fSApple OSS Distributions  * Please obtain a copy of the License at
16*e3723e1fSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*e3723e1fSApple OSS Distributions  *
18*e3723e1fSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*e3723e1fSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*e3723e1fSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*e3723e1fSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*e3723e1fSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*e3723e1fSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*e3723e1fSApple OSS Distributions  * limitations under the License.
25*e3723e1fSApple OSS Distributions  *
26*e3723e1fSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*e3723e1fSApple OSS Distributions  */
28*e3723e1fSApple OSS Distributions 
29*e3723e1fSApple OSS Distributions #include <mach/boolean.h>
30*e3723e1fSApple OSS Distributions #include <mach/message.h>
31*e3723e1fSApple OSS Distributions #include <mach/kern_return.h>
32*e3723e1fSApple OSS Distributions #include <mach/mach_traps.h>
33*e3723e1fSApple OSS Distributions #include <mach/mach_types.h>
34*e3723e1fSApple OSS Distributions #include <mach/clock_types.h>
35*e3723e1fSApple OSS Distributions 
36*e3723e1fSApple OSS Distributions kern_return_t
semaphore_signal(mach_port_t signal_semaphore)37*e3723e1fSApple OSS Distributions semaphore_signal(mach_port_t signal_semaphore)
38*e3723e1fSApple OSS Distributions {
39*e3723e1fSApple OSS Distributions 	return semaphore_signal_trap(signal_semaphore);
40*e3723e1fSApple OSS Distributions }
41*e3723e1fSApple OSS Distributions 
42*e3723e1fSApple OSS Distributions kern_return_t
semaphore_signal_all(mach_port_t signal_semaphore)43*e3723e1fSApple OSS Distributions semaphore_signal_all(mach_port_t signal_semaphore)
44*e3723e1fSApple OSS Distributions {
45*e3723e1fSApple OSS Distributions 	return semaphore_signal_all_trap(signal_semaphore);
46*e3723e1fSApple OSS Distributions }
47*e3723e1fSApple OSS Distributions 
48*e3723e1fSApple OSS Distributions kern_return_t
semaphore_signal_thread(mach_port_t signal_semaphore,mach_port_t thread_act)49*e3723e1fSApple OSS Distributions semaphore_signal_thread(mach_port_t signal_semaphore, mach_port_t thread_act)
50*e3723e1fSApple OSS Distributions {
51*e3723e1fSApple OSS Distributions 	return semaphore_signal_thread_trap(signal_semaphore, thread_act);
52*e3723e1fSApple OSS Distributions }
53*e3723e1fSApple OSS Distributions 
54*e3723e1fSApple OSS Distributions kern_return_t
semaphore_wait(mach_port_t wait_semaphore)55*e3723e1fSApple OSS Distributions semaphore_wait(mach_port_t wait_semaphore)
56*e3723e1fSApple OSS Distributions {
57*e3723e1fSApple OSS Distributions 	return semaphore_wait_trap(wait_semaphore);
58*e3723e1fSApple OSS Distributions }
59*e3723e1fSApple OSS Distributions 
60*e3723e1fSApple OSS Distributions kern_return_t
semaphore_timedwait(mach_port_t wait_semaphore,mach_timespec_t wait_time)61*e3723e1fSApple OSS Distributions semaphore_timedwait(mach_port_t wait_semaphore, mach_timespec_t wait_time)
62*e3723e1fSApple OSS Distributions {
63*e3723e1fSApple OSS Distributions 	return semaphore_timedwait_trap(wait_semaphore,
64*e3723e1fSApple OSS Distributions 	           wait_time.tv_sec,
65*e3723e1fSApple OSS Distributions 	           wait_time.tv_nsec);
66*e3723e1fSApple OSS Distributions }
67*e3723e1fSApple OSS Distributions 
68*e3723e1fSApple OSS Distributions kern_return_t
semaphore_wait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore)69*e3723e1fSApple OSS Distributions semaphore_wait_signal(mach_port_t wait_semaphore, mach_port_t signal_semaphore)
70*e3723e1fSApple OSS Distributions {
71*e3723e1fSApple OSS Distributions 	return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
72*e3723e1fSApple OSS Distributions }
73*e3723e1fSApple OSS Distributions 
74*e3723e1fSApple OSS Distributions kern_return_t
semaphore_timedwait_signal(mach_port_t wait_semaphore,mach_port_t signal_semaphore,mach_timespec_t wait_time)75*e3723e1fSApple OSS Distributions semaphore_timedwait_signal(mach_port_t wait_semaphore,
76*e3723e1fSApple OSS Distributions     mach_port_t signal_semaphore,
77*e3723e1fSApple OSS Distributions     mach_timespec_t wait_time)
78*e3723e1fSApple OSS Distributions {
79*e3723e1fSApple OSS Distributions 	return semaphore_timedwait_signal_trap(wait_semaphore,
80*e3723e1fSApple OSS Distributions 	           signal_semaphore,
81*e3723e1fSApple OSS Distributions 	           wait_time.tv_sec,
82*e3723e1fSApple OSS Distributions 	           wait_time.tv_nsec);
83*e3723e1fSApple OSS Distributions }
84