mach/semaphore.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 #include <mach/boolean.h>
  27 #include <mach/message.h>
  28 #include <mach/kern_return.h>
  29 #include <mach/mach_traps.h>
  30 #include <mach/mach_types.h>
  31 #include <mach/clock_types.h>
  32
  33 kern_return_t semaphore_signal(
  34     mach_port_t signal_semaphore)
  35 {
  36         return semaphore_signal_trap(signal_semaphore);
  37 }
  38
  39 kern_return_t semaphore_signal_all(
  40     mach_port_t signal_semaphore)
  41 {
  42         return semaphore_signal_all_trap(signal_semaphore);
  43 }
  44
  45 kern_return_t semaphore_signal_thread(
  46     mach_port_t signal_semaphore,
  47     mach_port_t thread_act)
  48 {
  49         return semaphore_signal_thread_trap(signal_semaphore, thread_act);
  50 }
  51
  52 kern_return_t semaphore_wait (
  53     mach_port_t wait_semaphore)
  54 {
  55         return semaphore_wait_trap(wait_semaphore);
  56 }
  57
  58 kern_return_t semaphore_timedwait (
  59     mach_port_t wait_semaphore,
  60     mach_timespec_t wait_time)
  61 {
  62         return semaphore_timedwait_trap(wait_semaphore,
  63                                         wait_time.tv_sec,
  64                                         wait_time.tv_nsec);
  65 }
  66
  67 kern_return_t semaphore_wait_signal (
  68     mach_port_t wait_semaphore,
  69     mach_port_t signal_semaphore)
  70 {
  71         return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
  72 }
  73
  74 kern_return_t semaphore_timedwait_signal (
  75     mach_port_t wait_semaphore,
  76     mach_port_t signal_semaphore,
  77     mach_timespec_t wait_time)
  78 {
  79         return semaphore_timedwait_signal_trap(wait_semaphore,
  80                                                signal_semaphore,
  81                                                wait_time.tv_sec,
  82                                                wait_time.tv_nsec);
  83 }