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[glibc/history.git] / setjmp / bsd-_setjmp.c
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1 /* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. Stub version.
2 Copyright (C) 1994, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <sysdep.h>
21 #include <setjmp.h>
23 #undef _setjmp
25 /* This implementation in C will not usually work, because the call
26 really needs to be a tail-call so __sigsetjmp saves the state of
27 the caller, not the state of this `setjmp' frame which then
28 immediate unwinds. */
30 int
31 _setjmp (jmp_buf env)
33 return __sigsetjmp (env, 0);
35 libc_hidden_def (_setjmp)