sysdeps/stub/__longjmp.c

   1 /* Copyright (C) 1991, 1994 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 <setjmp.h>
  22
  23
  24 /* Jump to the position specified by ENV, causing the
  25    setjmp call there to return VAL, or 1 if VAL is 0.  */
  26 __NORETURN
  27 void
  28 DEFUN(__longjmp, (env, val), CONST __jmp_buf env AND int val)
  29 {
  30   if (val == 0)
  31     val = 1;
  32
  33   errno = ENOSYS;
  34   /* No way to signal failure.  */
  35 }
  36
  37
  38 #ifdef   HAVE_GNU_LD
  39
  40 #include <gnu-stabs.h>
  41
  42 stub_warning(longjmp);
  43
  44 #endif  /* GNU stabs.  */