sysdeps/stub/__longjmp.c

   1 /* Copyright (C) 1991, 1994, 1995, 1996 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 <errno.h>
  20 #include <setjmp.h>
  21
  22
  23 /* Jump to the position specified by ENV, causing the
  24    setjmp call there to return VAL, or 1 if VAL is 0.  */
  25 __NORETURN
  26 void
  27 __longjmp (env, val)
  28      const __jmp_buf env;
  29      int val;
  30 {
  31   if (val == 0)
  32     val = 1;
  33
  34   __set_errno (ENOSYS);
  35   /* No way to signal failure.  */
  36 }
  37
  38 stub_warning (longjmp)