osfmk/mach/semaphore.defs

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  *
  31  */
  32 /*
  33  *      File: mach/semaphore.defs
  34  *      Author: Joseph CaraDonna
  35  *
  36  *      Exported kernel calls
  37  *
  38  */
  39
  40 subsystem
  41 #if     KERNEL_SERVER
  42         KernelServer
  43 #endif  /* KERNEL_SERVER */
  44                         semaphore 617200;
  45
  46 #include <mach/std_types.defs>
  47 #include <mach/mach_types.defs>
  48 #include <mach/clock_types.defs>
  49
  50 /*
  51  * a semaphore_t is created and destroyed through the task object.
  52  *      semaphore_create(task_t,&semaphore_t,...);
  53  *      semaphore_destroy(task_t,semaphore_t);
  54  */
  55
  56 routine semaphore_signal(
  57                 semaphore       : semaphore_t);
  58
  59 routine semaphore_signal_all(
  60                 semaphore       : semaphore_t);
  61
  62 routine semaphore_wait(
  63                 semaphore       : semaphore_t);
  64
  65
  66 routine semaphore_signal_thread(
  67                 semaphore       : semaphore_t;
  68                 thread          : thread_act_t);
  69
  70 routine semaphore_timedwait(
  71                 semaphore       : semaphore_t;
  72                 wait_time       : mach_timespec_t);
  73
  74 routine semaphore_wait_signal(
  75                 wait_semaphore  : semaphore_t;
  76                 signal_semaphore: semaphore_t);
  77
  78 routine semaphore_timedwait_signal(
  79                 wait_semaphore  : semaphore_t;
  80                 signal_semaphore: semaphore_t;
  81                 wait_time       : mach_timespec_t);