xref: /freebsd-src/contrib/netbsd-tests/rump/kernspace/sendsig.c (revision 9268022b74279434ed6300244e3f977e56a8ceb5)
1*57718be8SEnji Cooper /*	$NetBSD: sendsig.c,v 1.1 2011/01/14 13:08:00 pooka Exp $	*/
2*57718be8SEnji Cooper 
3*57718be8SEnji Cooper /*-
4*57718be8SEnji Cooper  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5*57718be8SEnji Cooper  * All rights reserved.
6*57718be8SEnji Cooper  *
7*57718be8SEnji Cooper  * Redistribution and use in source and binary forms, with or without
8*57718be8SEnji Cooper  * modification, are permitted provided that the following conditions
9*57718be8SEnji Cooper  * are met:
10*57718be8SEnji Cooper  * 1. Redistributions of source code must retain the above copyright
11*57718be8SEnji Cooper  *    notice, this list of conditions and the following disclaimer.
12*57718be8SEnji Cooper  * 2. Redistributions in binary form must reproduce the above copyright
13*57718be8SEnji Cooper  *    notice, this list of conditions and the following disclaimer in the
14*57718be8SEnji Cooper  *    documentation and/or other materials provided with the distribution.
15*57718be8SEnji Cooper  *
16*57718be8SEnji Cooper  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17*57718be8SEnji Cooper  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18*57718be8SEnji Cooper  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19*57718be8SEnji Cooper  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20*57718be8SEnji Cooper  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21*57718be8SEnji Cooper  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*57718be8SEnji Cooper  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23*57718be8SEnji Cooper  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24*57718be8SEnji Cooper  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25*57718be8SEnji Cooper  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26*57718be8SEnji Cooper  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27*57718be8SEnji Cooper  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*57718be8SEnji Cooper  */
29*57718be8SEnji Cooper 
30*57718be8SEnji Cooper #include <sys/cdefs.h>
31*57718be8SEnji Cooper #if !defined(lint)
32*57718be8SEnji Cooper __RCSID("$NetBSD: sendsig.c,v 1.1 2011/01/14 13:08:00 pooka Exp $");
33*57718be8SEnji Cooper #endif /* !lint */
34*57718be8SEnji Cooper 
35*57718be8SEnji Cooper #include <sys/param.h>
36*57718be8SEnji Cooper #include <sys/proc.h>
37*57718be8SEnji Cooper 
38*57718be8SEnji Cooper #include <rump/rump.h>
39*57718be8SEnji Cooper 
40*57718be8SEnji Cooper #include "kernspace.h"
41*57718be8SEnji Cooper 
42*57718be8SEnji Cooper /*
43*57718be8SEnji Cooper  * loop until a non-system process appears and we can send it a signal
44*57718be8SEnji Cooper  */
45*57718be8SEnji Cooper void
rumptest_sendsig(char * signo)46*57718be8SEnji Cooper rumptest_sendsig(char *signo)
47*57718be8SEnji Cooper {
48*57718be8SEnji Cooper 	struct proc *p;
49*57718be8SEnji Cooper 	bool sent = false;
50*57718be8SEnji Cooper 	int sig;
51*57718be8SEnji Cooper 
52*57718be8SEnji Cooper 	sig = strtoull(signo, NULL, 10);
53*57718be8SEnji Cooper 	rump_boot_setsigmodel(RUMP_SIGMODEL_RAISE);
54*57718be8SEnji Cooper 
55*57718be8SEnji Cooper 	mutex_enter(proc_lock);
56*57718be8SEnji Cooper 	while (!sent) {
57*57718be8SEnji Cooper 		PROCLIST_FOREACH(p, &allproc) {
58*57718be8SEnji Cooper 			if (p->p_pid > 1) {
59*57718be8SEnji Cooper 				mutex_enter(p->p_lock);
60*57718be8SEnji Cooper 				psignal(p, sig);
61*57718be8SEnji Cooper 				mutex_exit(p->p_lock);
62*57718be8SEnji Cooper 				sent = true;
63*57718be8SEnji Cooper 				break;
64*57718be8SEnji Cooper 			}
65*57718be8SEnji Cooper 		}
66*57718be8SEnji Cooper 		kpause("w8", false, 1, proc_lock);
67*57718be8SEnji Cooper 	}
68*57718be8SEnji Cooper 	mutex_exit(proc_lock);
69*57718be8SEnji Cooper 
70*57718be8SEnji Cooper 	/* restore default */
71*57718be8SEnji Cooper 	rump_boot_setsigmodel(RUMP_SIGMODEL_PANIC);
72*57718be8SEnji Cooper }
73*57718be8SEnji Cooper 
74*57718be8SEnji Cooper void
rumptest_localsig(int signo)75*57718be8SEnji Cooper rumptest_localsig(int signo)
76*57718be8SEnji Cooper {
77*57718be8SEnji Cooper 	struct proc *p = curproc;
78*57718be8SEnji Cooper 
79*57718be8SEnji Cooper 	mutex_enter(p->p_lock);
80*57718be8SEnji Cooper 	psignal(p, signo);
81*57718be8SEnji Cooper 	mutex_exit(p->p_lock);
82*57718be8SEnji Cooper }
83