sysdeps/unix/sysv/linux/semop.c

   1 /* Copyright (C) 1995, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <errno.h>
  21 #include <sys/sem.h>
  22 #include <ipc_priv.h>
  23
  24 #include <sysdep.h>
  25 #include <sys/syscall.h>
  26
  27 /* Perform user-defined atomical operation of array of semaphores.  */
  28
  29 int
  30 semop (semid, sops, nsops)
  31      int semid;
  32      struct sembuf *sops;
  33      size_t nsops;
  34 {
  35   return INLINE_SYSCALL (ipc, 5, IPCOP_semop, semid, (int) nsops, 0, sops);
  36 }