[src/trunk]: src/tests/fs/nfs Add test for service interruption while mountd ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ad06769fbccc
branches:  trunk
changeset: 756679:ad06769fbccc
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Jul 28 15:24:54 2010 +0000

description:
Add test for service interruption while mountd handles SIGHUP.
This is an xfail test for the problem described in PR kern/5844

per highly surreptitious nudge from mrg

diffstat:

 tests/fs/nfs/Makefile   |   19 ++++++-
 tests/fs/nfs/t_mountd.c |  120 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 137 insertions(+), 2 deletions(-)

diffs (151 lines):

diff -r 431bf3c90c0b -r ad06769fbccc tests/fs/nfs/Makefile
--- a/tests/fs/nfs/Makefile     Wed Jul 28 15:16:50 2010 +0000
+++ b/tests/fs/nfs/Makefile     Wed Jul 28 15:24:54 2010 +0000
@@ -1,6 +1,21 @@
-#      $NetBSD: Makefile,v 1.1 2010/07/26 15:53:00 pooka Exp $
+#      $NetBSD: Makefile,v 1.2 2010/07/28 15:24:54 pooka Exp $
 #
 
+.include <bsd.own.mk>
+
 SUBDIR+=       nfsservice
 
-.include <bsd.subdir.mk>
+TESTS_C=       t_mountd
+
+LDADD+=-lrumpfs_ffs                                             # ffs
+LDADD+=-lrumpfs_nfs                                             # NFS
+LDADD+=-lrumpdev_disk -lrumpdev                                 # disk device
+LDADD+=-lrumpnet_shmif -lrumpnet_netinet -lrumpnet_net -lrumpnet
+LDADD+=-lrumpvfs -lrump -lrumpuser -lpthread                    # base
+
+LDADD+=-lutil
+
+VFSTESTDIR != cd ${.CURDIR}/../common && ${PRINTOBJDIR}
+LDADD+=-L${VFSTESTDIR} -lvfstest
+
+.include <bsd.test.mk>
diff -r 431bf3c90c0b -r ad06769fbccc tests/fs/nfs/t_mountd.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/fs/nfs/t_mountd.c   Wed Jul 28 15:24:54 2010 +0000
@@ -0,0 +1,120 @@
+/*     $NetBSD: t_mountd.c,v 1.1 2010/07/28 15:24:54 pooka Exp $       */
+
+/*-
+ * Copyright (c) 2010 The NetBSD Foundation, Inc.
+ *
+ * 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/mount.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include "../../h_macros.h"
+#include "../common/h_fsmacros.h"
+
+ATF_TC(mountdhup);
+ATF_TC_HEAD(mountdhup, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "test for service interrupt while "
+           "mountd handles SIGHUP");
+       atf_tc_set_md_var(tc, "use.fs", "true");
+}
+
+static volatile int quit;
+
+static void *
+wrkwrkwrk(void *unused)
+{
+       int fd, fail;
+
+       rump_sys_chdir(FSTEST_MNTNAME);
+       while (!quit) {
+               fd = rump_sys_open("file", O_RDWR | O_CREAT);
+               if (fd == -1) {
+                       if (errno == EACCES) {
+                               fail++;
+                               break;
+                       }
+                       atf_tc_fail_errno("open file");
+               }
+               rump_sys_close(fd);
+               if (rump_sys_unlink("file") == -1) {
+                       if (errno == EACCES) {
+                               fail++;
+                               break;
+                       }
+                       atf_tc_fail_errno("unlink file");
+               }
+       }
+       rump_sys_chdir("/");
+       quit = 1;
+
+       return fail ? &fail : NULL;
+}
+
+ATF_TC_BODY(mountdhup, tc)
+{
+       pthread_t pt;
+       struct nfstestargs *nfsargs;
+       void *voidargs;
+       int attempts;
+       void *fail;
+
+       FSTEST_CONSTRUCTOR(tc, nfs, voidargs);
+       nfsargs = voidargs;
+
+       pthread_create(&pt, NULL, wrkwrkwrk, NULL);
+       for (attempts = 100; attempts && !quit; attempts--) {
+               usleep(100000);
+               kill(nfsargs->ta_childpid, SIGHUP);
+       }
+       quit = 1;
+       pthread_join(pt, &fail);
+
+       FSTEST_DESTRUCTOR(tc, nfs, voidargs);
+
+       atf_tc_expect_fail("PR kern/5844");
+       if (fail)
+               atf_tc_fail("op failed with EACCES");
+       atf_tc_expect_pass();
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+       ATF_TP_ADD_TC(tp, mountdhup);
+
+       return atf_no_error();
+}