xref: /minix3/tests/rump/kernspace/sendsig.c (revision 11be35a165022172ed3cea20f2b5df0307540b0e)
1*11be35a1SLionel Sambuc /*	$NetBSD: sendsig.c,v 1.1 2011/01/14 13:08:00 pooka Exp $	*/
2*11be35a1SLionel Sambuc 
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc  * All rights reserved.
6*11be35a1SLionel Sambuc  *
7*11be35a1SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
8*11be35a1SLionel Sambuc  * modification, are permitted provided that the following conditions
9*11be35a1SLionel Sambuc  * are met:
10*11be35a1SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
11*11be35a1SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
12*11be35a1SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
13*11be35a1SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
14*11be35a1SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
15*11be35a1SLionel Sambuc  *
16*11be35a1SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17*11be35a1SLionel Sambuc  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18*11be35a1SLionel Sambuc  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19*11be35a1SLionel Sambuc  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20*11be35a1SLionel Sambuc  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21*11be35a1SLionel Sambuc  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*11be35a1SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23*11be35a1SLionel Sambuc  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24*11be35a1SLionel Sambuc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25*11be35a1SLionel Sambuc  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26*11be35a1SLionel Sambuc  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27*11be35a1SLionel Sambuc  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*11be35a1SLionel Sambuc  */
29*11be35a1SLionel Sambuc 
30*11be35a1SLionel Sambuc #include <sys/cdefs.h>
31*11be35a1SLionel Sambuc #if !defined(lint)
32*11be35a1SLionel Sambuc __RCSID("$NetBSD: sendsig.c,v 1.1 2011/01/14 13:08:00 pooka Exp $");
33*11be35a1SLionel Sambuc #endif /* !lint */
34*11be35a1SLionel Sambuc 
35*11be35a1SLionel Sambuc #include <sys/param.h>
36*11be35a1SLionel Sambuc #include <sys/proc.h>
37*11be35a1SLionel Sambuc 
38*11be35a1SLionel Sambuc #include <rump/rump.h>
39*11be35a1SLionel Sambuc 
40*11be35a1SLionel Sambuc #include "kernspace.h"
41*11be35a1SLionel Sambuc 
42*11be35a1SLionel Sambuc /*
43*11be35a1SLionel Sambuc  * loop until a non-system process appears and we can send it a signal
44*11be35a1SLionel Sambuc  */
45*11be35a1SLionel Sambuc void
rumptest_sendsig(char * signo)46*11be35a1SLionel Sambuc rumptest_sendsig(char *signo)
47*11be35a1SLionel Sambuc {
48*11be35a1SLionel Sambuc 	struct proc *p;
49*11be35a1SLionel Sambuc 	bool sent = false;
50*11be35a1SLionel Sambuc 	int sig;
51*11be35a1SLionel Sambuc 
52*11be35a1SLionel Sambuc 	sig = strtoull(signo, NULL, 10);
53*11be35a1SLionel Sambuc 	rump_boot_setsigmodel(RUMP_SIGMODEL_RAISE);
54*11be35a1SLionel Sambuc 
55*11be35a1SLionel Sambuc 	mutex_enter(proc_lock);
56*11be35a1SLionel Sambuc 	while (!sent) {
57*11be35a1SLionel Sambuc 		PROCLIST_FOREACH(p, &allproc) {
58*11be35a1SLionel Sambuc 			if (p->p_pid > 1) {
59*11be35a1SLionel Sambuc 				mutex_enter(p->p_lock);
60*11be35a1SLionel Sambuc 				psignal(p, sig);
61*11be35a1SLionel Sambuc 				mutex_exit(p->p_lock);
62*11be35a1SLionel Sambuc 				sent = true;
63*11be35a1SLionel Sambuc 				break;
64*11be35a1SLionel Sambuc 			}
65*11be35a1SLionel Sambuc 		}
66*11be35a1SLionel Sambuc 		kpause("w8", false, 1, proc_lock);
67*11be35a1SLionel Sambuc 	}
68*11be35a1SLionel Sambuc 	mutex_exit(proc_lock);
69*11be35a1SLionel Sambuc 
70*11be35a1SLionel Sambuc 	/* restore default */
71*11be35a1SLionel Sambuc 	rump_boot_setsigmodel(RUMP_SIGMODEL_PANIC);
72*11be35a1SLionel Sambuc }
73*11be35a1SLionel Sambuc 
74*11be35a1SLionel Sambuc void
rumptest_localsig(int signo)75*11be35a1SLionel Sambuc rumptest_localsig(int signo)
76*11be35a1SLionel Sambuc {
77*11be35a1SLionel Sambuc 	struct proc *p = curproc;
78*11be35a1SLionel Sambuc 
79*11be35a1SLionel Sambuc 	mutex_enter(p->p_lock);
80*11be35a1SLionel Sambuc 	psignal(p, signo);
81*11be35a1SLionel Sambuc 	mutex_exit(p->p_lock);
82*11be35a1SLionel Sambuc }
83