1*0a2b7583Sjoerg /* $NetBSD: resumecontext.c,v 1.4 2011/09/19 21:24:58 joerg Exp $ */
28c295614Smatt
38c295614Smatt /*-
48c295614Smatt * Copyright (c) 2001 The NetBSD Foundation, Inc.
58c295614Smatt * All rights reserved.
68c295614Smatt *
78c295614Smatt * This code is derived from software contributed to The NetBSD Foundation
88c295614Smatt * by Klaus Klein.
98c295614Smatt *
108c295614Smatt * Redistribution and use in source and binary forms, with or without
118c295614Smatt * modification, are permitted provided that the following conditions
128c295614Smatt * are met:
138c295614Smatt * 1. Redistributions of source code must retain the above copyright
148c295614Smatt * notice, this list of conditions and the following disclaimer.
158c295614Smatt * 2. Redistributions in binary form must reproduce the above copyright
168c295614Smatt * notice, this list of conditions and the following disclaimer in the
178c295614Smatt * documentation and/or other materials provided with the distribution.
188c295614Smatt *
198c295614Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
208c295614Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
218c295614Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
228c295614Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
238c295614Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
248c295614Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
258c295614Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
268c295614Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
278c295614Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
288c295614Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
298c295614Smatt * POSSIBILITY OF SUCH DAMAGE.
308c295614Smatt */
318c295614Smatt
328c295614Smatt #include <sys/cdefs.h>
338c295614Smatt #if defined(LIBC_SCCS) && !defined(lint)
34*0a2b7583Sjoerg __RCSID("$NetBSD: resumecontext.c,v 1.4 2011/09/19 21:24:58 joerg Exp $");
358c295614Smatt #endif
368c295614Smatt
378c295614Smatt #include "namespace.h"
38e56cdf1dSmartin #include <stdlib.h>
398c295614Smatt #include <ucontext.h>
40e56cdf1dSmartin #include <unistd.h>
418c295614Smatt #include "extern.h"
428c295614Smatt
438c295614Smatt void
_resumecontext(void)44*0a2b7583Sjoerg _resumecontext(void)
458c295614Smatt {
468c295614Smatt ucontext_t uct;
478c295614Smatt
488c295614Smatt (void)getcontext(&uct);
49e56cdf1dSmartin if (uct.uc_link == NULL)
50e56cdf1dSmartin exit(0);
518c295614Smatt (void)setcontext(uct.uc_link);
52e56cdf1dSmartin _exit(-1);
538c295614Smatt /* NOTREACHED */
548c295614Smatt }
55