freebsd-dev/tools/regression/geom/geom.c
Poul-Henning Kamp 6309b291ec Overhaul the kernel-simulation bits here to use pthreads instead.
If somebody wanted to, this could for the beginning of a "libkernel"
which could be used to run kernel code in userland.

Sponsored by:	DARPA & NAI Labs.
2002-09-13 13:13:00 +00:00

193 lines
4.8 KiB
C

/*-
* Copyright (c) 2002 Poul-Henning Kamp
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by Poul-Henning Kamp
* and NAI Labs, the Security Research Division of Network Associates, Inc.
* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
* DARPA CHATS research program.
*
* 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.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <err.h>
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/sbuf.h>
#include <geom/geom.h>
#include <geom/geom_int.h>
void
conff(char *file)
{
FILE *f;
char *s;
struct sbuf *sb;
printf(">> conf to %s\n", file);
asprintf(&s, "_%s.conf", file);
f = fopen(s, "w");
if (f == NULL)
err(1, s);
sb = g_conf();
fputs(sbuf_data(sb), f);
fclose(f);
free(s);
}
static void *
thread_up(void *ptr)
{
struct thread *tp = ptr;
int error;
printf("Running %s\n", tp->name);
error = pthread_cond_init(&ptc_up, NULL);
if (error)
err(1, "pthread_cond_init(ptc_up)");
error = pthread_mutex_init(&ptm_up, NULL);
if (error)
err(1, "pthread_mutex_init(ptm_up)");
error = pthread_mutex_lock(&ptm_up);
if (error)
err(1, "pthread_mutex_init(ptm_up)");
for (;;) {
g_io_schedule_up(tp);
error = pthread_cond_wait(&ptc_up, &ptm_up);
}
}
static void *
thread_down(void *ptr)
{
struct thread *tp = ptr;
int error;
printf("Running %s\n", tp->name);
error = pthread_cond_init(&ptc_down, NULL);
if (error)
err(1, "pthread_cond_init(ptc_down)");
error = pthread_mutex_init(&ptm_down, NULL);
if (error)
err(1, "pthread_mutex_init(ptm_down)");
error = pthread_mutex_lock(&ptm_down);
if (error)
err(1, "pthread_mutex_init(ptm_down)");
for (;;) {
g_io_schedule_down(tp);
error = pthread_cond_wait(&ptc_down, &ptm_down);
}
}
static void *
thread_event(void *ptr)
{
struct thread *tp = ptr;
int error;
printf("Running %s\n", tp->name);
error = pthread_cond_init(&ptc_event, NULL);
if (error)
err(1, "pthread_cond_init(ptc_event)");
error = pthread_mutex_init(&ptm_event, NULL);
if (error)
err(1, "pthread_mutex_init(ptm_event)");
error = pthread_mutex_lock(&ptm_event);
if (error)
err(1, "pthread_mutex_init(ptm_event)");
for (;;) {
g_run_events();
error = pthread_cond_wait(&ptc_event, &ptm_event);
}
}
int
main(int argc __unused, char **argv __unused)
{
int ch;
while ((ch = getopt(argc, argv, "bt")) != -1) {
switch (ch) {
case 'b':
g_debugflags |= G_T_BIO;
break;
case 't':
g_debugflags |= G_T_TOPOLOGY;
break;
}
}
setbuf(stdout, NULL);
printf("Sizeof g_class = %d\n", sizeof(struct g_class));
printf("Sizeof g_geom = %d\n", sizeof(struct g_geom));
printf("Sizeof g_consumer = %d\n", sizeof(struct g_consumer));
printf("Sizeof g_provider = %d\n", sizeof(struct g_provider));
printf("Sizeof g_event = %d\n", sizeof(struct g_event));
g_init();
new_thread(thread_up, "UP");
new_thread(thread_down, "DOWN");
new_thread(thread_event, "EVENT");
new_thread(thread_sim, "SIM");
while (1) {
sleep (1);
secrethandshake();
}
}
void
sdumpf(char *file)
{
FILE *f;
char *s;
struct sbuf *sb;
printf(">> dump to %s\n", file);
asprintf(&s, "_%s.dot", file);
f = fopen(s, "w");
if (f == NULL)
err(1, s);
sb = g_confdot();
fprintf(f, "%s", sbuf_data(sb));
fclose(f);
free(s);
asprintf(&s, "dot -Tps _%s.dot > _%s.ps", file, file);
system(s);
free(s);
}