glibc/sysdeps/stub/__longjmp.c

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1995-02-18 01:27:10 +00:00
/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <setjmp.h>
/* Jump to the position specified by ENV, causing the
setjmp call there to return VAL, or 1 if VAL is 0. */
__NORETURN
void
DEFUN(__longjmp, (env, val), CONST __jmp_buf env AND int val)
{
if (val == 0)
val = 1;
errno = ENOSYS;
/* No way to signal failure. */
}
#ifdef HAVE_GNU_LD
#include <gnu-stabs.h>
stub_warning(longjmp);
#endif /* GNU stabs. */