(root)/
glibc-2.38/
posix/
wait3.c
       1  /* Copyright (C) 1991-2023 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, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <sys/wait.h>
      19  #include <sys/types.h>
      20  
      21  /* Wait for a child to exit.  When one does, put its status in *STAT_LOC and
      22     return its process ID.  For errors return (pid_t) -1.  If USAGE is not nil,
      23     store information about the child's resource usage (as a `struct rusage')
      24     there.  If the WUNTRACED bit is set in OPTIONS, return status for stopped
      25     children; otherwise don't.  */
      26  pid_t
      27  __wait3 (int *stat_loc, int options, struct rusage *usage)
      28  {
      29    return __wait4 (WAIT_ANY, stat_loc, options, usage);
      30  }
      31  
      32  weak_alias (__wait3, wait3)