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