Update.

[glibc.git] / sysdeps / stub / bsd-_setjmp.c

/* BSD `setjmp' entry point to `sigsetjmp (..., 0)'.  Stub version.
Copyright (C) 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 <sysdep.h>

#undef setjmp

/* This implementation in C will not usually work, because the call
   really needs to be a tail-call so __sigsetjmp saves the state of
   the caller, not the state of this `setjmp' frame which then
   immediate unwinds.  */

int
setjmp (jmp_buf env)
{
  return __sigsetjmp (env, 0);
}