libsyscall/wrappers/posix_sem_obsolete.c

   1 /*
   2  * Copyright (c) 2013 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #include <sys/errno.h>
  25 #include <sys/semaphore.h>
  26
  27 /*
  28  * system call stubs are no longer generated for these from
  29  * syscalls.master. Instead, provide simple stubs here.
  30  */
  31
  32 int sem_destroy(sem_t *s __unused)
  33 {
  34         errno = ENOSYS;
  35         return -1;
  36 }
  37
  38 int sem_getvalue(sem_t * __restrict __unused s, int * __restrict __unused x)
  39 {
  40         errno = ENOSYS;
  41         return -1;
  42 }
  43
  44 int sem_init(sem_t * __unused s, int __unused x, unsigned int __unused y)
  45 {
  46         errno = ENOSYS;
  47         return -1;
  48 }