posix/setsid.c

   1 /* Copyright (C) 1991-2015 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    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <unistd.h>
  20
  21
  22 /* Create a new session with the calling process as its leader.
  23    The process group IDs of the session and the calling process
  24    are set to the process ID of the calling process, which is returned.  */
  25 int
  26 __setsid (void)
  27 {
  28   __set_errno (ENOSYS);
  29   return -1;
  30 }
  31 stub_warning (setsid)
  32
  33 weak_alias (__setsid, setsid)