Module Name: src
Committed By: pooka
Date: Fri Aug 6 16:13:27 UTC 2010
Modified Files:
src/tests/dev: Makefile
Added Files:
src/tests/dev/sysmon: Makefile t_swwdog.c
Log Message:
Add test cases to check that sysmon/swwdog will panic and reboot
the kernel if left untickled.
Thanks to jmmv for the tip that doing this is possible in atf via
means of fork/wait.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/tests/dev/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/dev/sysmon/Makefile \
src/tests/dev/sysmon/t_swwdog.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/dev/Makefile
diff -u src/tests/dev/Makefile:1.1 src/tests/dev/Makefile:1.2
--- src/tests/dev/Makefile:1.1 Wed Aug 4 13:15:15 2010
+++ src/tests/dev/Makefile Fri Aug 6 16:13:26 2010
@@ -1,10 +1,10 @@
-# $NetBSD: Makefile,v 1.1 2010/08/04 13:15:15 pooka Exp $
+# $NetBSD: Makefile,v 1.2 2010/08/06 16:13:26 pooka Exp $
#
.include <bsd.own.mk>
TESTSDIR= ${TESTSBASE}/dev
-TESTS_SUBDIRS+= audio
+TESTS_SUBDIRS+= audio sysmon
.include <bsd.test.mk>
Added files:
Index: src/tests/dev/sysmon/Makefile
diff -u /dev/null src/tests/dev/sysmon/Makefile:1.1
--- /dev/null Fri Aug 6 16:13:27 2010
+++ src/tests/dev/sysmon/Makefile Fri Aug 6 16:13:26 2010
@@ -0,0 +1,16 @@
+# $NetBSD: Makefile,v 1.1 2010/08/06 16:13:26 pooka Exp $
+#
+
+.include <bsd.own.mk>
+
+TESTSDIR= ${TESTSBASE}/dev/sysmon
+
+TESTS_C= t_swwdog
+
+LDADD+= -lrumpdev_sysmon -lrumpdev -lrumpvfs
+LDADD+= -lrump
+LDADD+= -lrumpuser -lpthread
+
+WARNS= 4
+
+.include <bsd.test.mk>
Index: src/tests/dev/sysmon/t_swwdog.c
diff -u /dev/null src/tests/dev/sysmon/t_swwdog.c:1.1
--- /dev/null Fri Aug 6 16:13:27 2010
+++ src/tests/dev/sysmon/t_swwdog.c Fri Aug 6 16:13:26 2010
@@ -0,0 +1,166 @@
+/* $NetBSD: t_swwdog.c,v 1.1 2010/08/06 16:13:26 pooka Exp $ */
+
+/*
+ * Copyright (c) 2010 Antti Kantee. 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 AUTHOR ``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.
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/wdog.h>
+
+#include <assert.h>
+#include <atf-c.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include "../../h_macros.h"
+
+static sig_atomic_t tcount;
+
+static void
+sigcount(int sig)
+{
+
+ assert(sig == SIGUSR1);
+ tcount++;
+}
+
+/*
+ * Since we are testing for swwdog's ability to reboot/panic, we need
+ * to fork and monitor the exit status from the parent and report
+ * something sensible back to atf.
+ */
+static int
+testbody(void)
+{
+ char wname[WDOG_NAMESIZE];
+ struct wdog_conf wc;
+ struct wdog_mode wm;
+ pid_t p1, p2;
+ int status;
+ int fd;
+
+ signal(SIGUSR1, sigcount);
+
+ switch ((p1 = fork())) {
+ case 0:
+ break;
+ case -1:
+ atf_tc_fail_errno("fork");
+ break;
+ default:
+ p2 = wait(&status);
+ ATF_REQUIRE_EQ(p1, p2);
+ ATF_REQUIRE_EQ(tcount, 1);
+ return status;
+ }
+
+ rump_init();
+
+ fd = rump_sys_open("/dev/watchdog", O_RDWR);
+ if (fd == -1)
+ err(1, "open watchdog");
+
+ wc.wc_count = 1;
+ wc.wc_names = wname;
+
+ if (rump_sys_ioctl(fd, WDOGIOC_GWDOGS, &wc) == -1)
+ err(1, "can't fetch watchdog names");
+
+ if (wc.wc_count) {
+ assert(wc.wc_count == 1);
+
+ strlcpy(wm.wm_name, wc.wc_names, sizeof(wm.wm_name));
+ wm.wm_mode = WDOG_MODE_ETICKLE;
+ wm.wm_period = 1;
+ if (rump_sys_ioctl(fd, WDOGIOC_SMODE, &wm) == -1)
+ atf_tc_fail_errno("failed to set tickle");
+
+ usleep(500000);
+ rump_sys_ioctl(fd, WDOGIOC_TICKLE);
+ kill(getppid(), SIGUSR1);
+
+ sleep(2);
+ printf("staying alive\n");
+ }
+ /* fail */
+ _exit(1);
+}
+
+ATF_TC(reboot);
+ATF_TC_HEAD(reboot, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "check swwdog reboot capability");
+}
+
+ATF_TC_BODY(reboot, tc)
+{
+ extern bool rumpns_swwdog_reboot;
+ int status;
+
+ /* XXX: should use sysctl */
+ rumpns_swwdog_reboot = true;
+ status = testbody();
+
+ ATF_REQUIRE(WIFEXITED(status));
+ ATF_REQUIRE_EQ(WEXITSTATUS(status), 0);
+}
+
+ATF_TC(panic);
+ATF_TC_HEAD(panic, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "check swwdog panic capability");
+}
+
+ATF_TC_BODY(panic, tc)
+{
+ extern bool rumpns_swwdog_reboot;
+ int status;
+
+ /* XXX: should use sysctl */
+ rumpns_swwdog_reboot = false;
+ status = testbody();
+
+ ATF_REQUIRE(WIFSIGNALED(status));
+ ATF_REQUIRE_EQ(WTERMSIG(status), SIGABRT);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, panic);
+ ATF_TP_ADD_TC(tp, reboot);
+
+ return atf_no_error();
+}
