sysdeps/unix/mips/wait.S

   1 /* Copyright (C) 1992, 1994, 1995, 1997, 2002, 2003
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Brendan Kehoe (brendan@zen.org).
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <sysdep.h>
  22
  23 .set noreorder
  24
  25 ENTRY(__wait)
  26         /* Prep it for wait.  */
  27         move a1, zero
  28         move a2, zero
  29
  30         li v0, SYS_wait
  31         syscall
  32         beqz a3, L(noerror)
  33         nop
  34         j __syscall_error
  35         nop
  36
  37 L(noerror):
  38         /* If the arg is not NULL, store v1 there.  */
  39         beqz a0, L(noarg)
  40         nop
  41         sw v1, 0(a0)
  42         nop
  43 L(noarg):
  44         ret
  45         .end __wait
  46
  47 weak_alias (__wait, wait)