posix/bsd-getpgrp.c

   1 /* BSD-compatible versions of getpgrp function.
   2    Copyright (C) 1991-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sys/types.h>
  20
  21 /* Don't include unistd.h because it declares a conflicting
  22    prototype for the POSIX.1 `getpgrp' function.  */
  23 extern pid_t __getpgid (pid_t);
  24 libc_hidden_proto (__getpgid)
  25 extern pid_t __bsd_getpgrp (pid_t);
  26
  27 pid_t
  28 __bsd_getpgrp (pid_t pid)
  29 {
  30   return __getpgid (pid);
  31 }