mach.subproj/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  * catch_exception_raise will be implemented by user programs
  24  * This implementation is provided to resolve the reference in
  25  * exc_server().
  26  */
  27
  28 #include <mach/boolean.h>
  29 #include <mach/message.h>
  30 #include <mach/kern_return.h>
  31 #include <mach/mach_traps.h>
  32 #include <mach/mach_types.h>
  33 #include <mach/clock_types.h>
  34
  35 extern kern_return_t _host_semaphore_traps_return_;
  36
  37 kern_return_t semaphore_signal(
  38     mach_port_t signal_semaphore)
  39 {
  40         return semaphore_signal_trap(signal_semaphore);
  41 }
  42
  43 kern_return_t semaphore_signal_all(
  44     mach_port_t signal_semaphore)
  45 {
  46         return semaphore_signal_all_trap(signal_semaphore);
  47 }
  48
  49 kern_return_t semaphore_signal_thread(
  50     mach_port_t signal_semaphore,
  51     mach_port_t thread_act)
  52 {
  53         return semaphore_signal_thread_trap(signal_semaphore, thread_act);
  54 }
  55
  56 kern_return_t semaphore_wait (
  57     mach_port_t wait_semaphore)
  58 {
  59         return semaphore_wait_trap(wait_semaphore);
  60 }
  61
  62 kern_return_t semaphore_timedwait (
  63     mach_port_t wait_semaphore,
  64     mach_timespec_t wait_time)
  65 {
  66         return semaphore_timedwait_trap(wait_semaphore,
  67                                         wait_time.tv_sec,
  68                                         wait_time.tv_nsec);
  69 }
  70
  71 kern_return_t semaphore_wait_signal (
  72     mach_port_t wait_semaphore,
  73     mach_port_t signal_semaphore)
  74 {
  75         return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
  76 }
  77
  78 kern_return_t semaphore_timedwait_signal (
  79     mach_port_t wait_semaphore,
  80     mach_port_t signal_semaphore,
  81     mach_timespec_t wait_time)
  82 {
  83         return semaphore_timedwait_signal_trap(wait_semaphore,
  84                                                signal_semaphore,
  85                                                wait_time.tv_sec,
  86                                                wait_time.tv_nsec);
  87 }