1*0a6a1f1dSLionel Sambuc /* $NetBSD: resumecontext.c,v 1.1 2014/09/03 19:34:25 matt Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2001 The NetBSD Foundation, Inc.
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*0a6a1f1dSLionel Sambuc * by Klaus Klein.
9*0a6a1f1dSLionel Sambuc *
10*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
12*0a6a1f1dSLionel Sambuc * are met:
13*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
18*0a6a1f1dSLionel Sambuc *
19*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30*0a6a1f1dSLionel Sambuc */
31*0a6a1f1dSLionel Sambuc
32*0a6a1f1dSLionel Sambuc #include <sys/cdefs.h>
33*0a6a1f1dSLionel Sambuc #if defined(LIBC_SCCS) && !defined(lint)
34*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: resumecontext.c,v 1.1 2014/09/03 19:34:25 matt Exp $");
35*0a6a1f1dSLionel Sambuc #endif
36*0a6a1f1dSLionel Sambuc
37*0a6a1f1dSLionel Sambuc #include "namespace.h"
38*0a6a1f1dSLionel Sambuc #include <stdlib.h>
39*0a6a1f1dSLionel Sambuc #include <ucontext.h>
40*0a6a1f1dSLionel Sambuc #include <unistd.h>
41*0a6a1f1dSLionel Sambuc #include "extern.h"
42*0a6a1f1dSLionel Sambuc
43*0a6a1f1dSLionel Sambuc void
_resumecontext(void)44*0a6a1f1dSLionel Sambuc _resumecontext(void)
45*0a6a1f1dSLionel Sambuc {
46*0a6a1f1dSLionel Sambuc ucontext_t uct;
47*0a6a1f1dSLionel Sambuc
48*0a6a1f1dSLionel Sambuc (void)getcontext(&uct);
49*0a6a1f1dSLionel Sambuc if (uct.uc_link == NULL)
50*0a6a1f1dSLionel Sambuc exit(0);
51*0a6a1f1dSLionel Sambuc (void)setcontext(uct.uc_link);
52*0a6a1f1dSLionel Sambuc _exit(-1);
53*0a6a1f1dSLionel Sambuc /* NOTREACHED */
54*0a6a1f1dSLionel Sambuc }
55