mach/semaphore.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #include <mach/boolean.h>
  24 #include <mach/message.h>
  25 #include <mach/kern_return.h>
  26 #include <mach/mach_traps.h>
  27 #include <mach/mach_types.h>
  28 #include <mach/clock_types.h>
  29
  30 kern_return_t semaphore_signal(
  31     mach_port_t signal_semaphore)
  32 {
  33         return semaphore_signal_trap(signal_semaphore);
  34 }
  35
  36 kern_return_t semaphore_signal_all(
  37     mach_port_t signal_semaphore)
  38 {
  39         return semaphore_signal_all_trap(signal_semaphore);
  40 }
  41
  42 kern_return_t semaphore_signal_thread(
  43     mach_port_t signal_semaphore,
  44     mach_port_t thread_act)
  45 {
  46         return semaphore_signal_thread_trap(signal_semaphore, thread_act);
  47 }
  48
  49 kern_return_t semaphore_wait (
  50     mach_port_t wait_semaphore)
  51 {
  52         return semaphore_wait_trap(wait_semaphore);
  53 }
  54
  55 kern_return_t semaphore_timedwait (
  56     mach_port_t wait_semaphore,
  57     mach_timespec_t wait_time)
  58 {
  59         return semaphore_timedwait_trap(wait_semaphore,
  60                                         wait_time.tv_sec,
  61                                         wait_time.tv_nsec);
  62 }
  63
  64 kern_return_t semaphore_wait_signal (
  65     mach_port_t wait_semaphore,
  66     mach_port_t signal_semaphore)
  67 {
  68         return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
  69 }
  70
  71 kern_return_t semaphore_timedwait_signal (
  72     mach_port_t wait_semaphore,
  73     mach_port_t signal_semaphore,
  74     mach_timespec_t wait_time)
  75 {
  76         return semaphore_timedwait_signal_trap(wait_semaphore,
  77                                                signal_semaphore,
  78                                                wait_time.tv_sec,
  79                                                wait_time.tv_nsec);
  80 }