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[glibc/history.git] / setjmp / __longjmp.c
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1 /* Copyright (C) 1991, 1994, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <setjmp.h>
23 /* Jump to the position specified by ENV, causing the
24 setjmp call there to return VAL, or 1 if VAL is 0. */
25 void
26 __longjmp (__jmp_buf env, int val)
28 if (val == 0)
29 val = 1;
31 __set_errno (ENOSYS);
32 /* No way to signal failure. */
35 stub_warning (longjmp)
36 #include <stub-tag.h>