badioctl.c revision 4fe01614e64281d82c5a22f0050e55f1e0bdbdae
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#define DTRACEIOC_MAX 17
void
{
exit(1);
}
void
{
int i = 0, seconds;
fatal("mmap");
for (;;) {
unsigned int ioc;
/*
* Our parent died. We will kill ourselves in
* sympathy.
*/
exit(0);
}
/*
* Once a second, we'll reopen the device.
*/
if (fd != -1)
if (fd == -1)
fatal("couldn't open DTrace pseudo device");
}
if ((i++ % 1000) == 0) {
/*
* Every thousand iterations, change our random gunk.
*/
}
ioc %= DTRACEIOC_MAX;
ioc++;
}
}
int
main()
{
int status;
for (;;) {
continue;
/*
* Our child exited by design -- we'll exit with
* the same status code.
*/
}
/*
* Our child died on a signal. Respawn it.
*/
printf("badioctl: child died on signal %d; respawning.\n",
}
/* NOTREACHED */
return (0);
}