sysdeps/generic/vfork.c

   1 /* Copyright (C) 1991 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <errno.h>
  21 #include <unistd.h>
  22
  23
  24 /* Clone the calling process, but without copying the whole address space.
  25    The the calling process is suspended until the the new process exits or is
  26    replaced by a call to `execve'.  Return -1 for errors, 0 to the new process,
  27    and the process ID of the new process to the old process.  */
  28 int
  29 DEFUN_VOID(__vfork)
  30 {
  31   errno = ENOSYS;
  32   return -1;
  33 }
  34
  35
  36 #ifdef   HAVE_GNU_LD
  37
  38 #include <gnu-stabs.h>
  39
  40 stub_warning(__vfork);
  41
  42 #endif  /* GNU stabs.  */