sysdeps/unix/sysv/aix/wait3.c

   1 /* Copyright (C) 1992, 93, 1995-1999, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <sys/wait.h>
  21 #include <sys/types.h>
  22 #include <stddef.h>
  23
  24 extern pid_t kwaitpid (int *stat_loc, pid_t pid, int options,
  25                        struct rusage *ru_loc, siginfo_t *infop);
  26
  27 /* Wait for a child to exit.  When one does, put its status in *STAT_LOC and
  28    return its process ID.  For errors return (pid_t) -1.  If USAGE is not nil,
  29    store information about the child's resource usage (as a `struct rusage')
  30    there.  If the WUNTRACED bit is set in OPTIONS, return status for stopped
  31    children; otherwise don't.  */
  32 pid_t
  33 __wait3 (__WAIT_STATUS stat_loc, int options, struct rusage *usage)
  34 {
  35   if (usage != NULL)
  36     {
  37       __set_errno (ENOSYS);
  38       return (pid_t) -1;
  39     }
  40   return kwaitpid (stat_loc.__iptr, WAIT_ANY, options, usage, NULL);
  41 }
  42 strong_alias (__wait3, wait3)