NetBSD/tests/rump/kernspace/sendsig.c

83 lines
2.4 KiB
C

/* $NetBSD: sendsig.c,v 1.1 2011/01/14 13:08:00 pooka Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: sendsig.c,v 1.1 2011/01/14 13:08:00 pooka Exp $");
#endif /* !lint */
#include <sys/param.h>
#include <sys/proc.h>
#include <rump/rump.h>
#include "kernspace.h"
/*
* loop until a non-system process appears and we can send it a signal
*/
void
rumptest_sendsig(char *signo)
{
struct proc *p;
bool sent = false;
int sig;
sig = strtoull(signo, NULL, 10);
rump_boot_setsigmodel(RUMP_SIGMODEL_RAISE);
mutex_enter(proc_lock);
while (!sent) {
PROCLIST_FOREACH(p, &allproc) {
if (p->p_pid > 1) {
mutex_enter(p->p_lock);
psignal(p, sig);
mutex_exit(p->p_lock);
sent = true;
break;
}
}
kpause("w8", false, 1, proc_lock);
}
mutex_exit(proc_lock);
/* restore default */
rump_boot_setsigmodel(RUMP_SIGMODEL_PANIC);
}
void
rumptest_localsig(int signo)
{
struct proc *p = curproc;
mutex_enter(p->p_lock);
psignal(p, signo);
mutex_exit(p->p_lock);
}