1 /*-
2 * Copyright (c) 2017 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
16 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __COPYRIGHT("@(#) Copyright (c) 2013\
29 The NetBSD Foundation, inc. All rights reserved.");
30 __RCSID("$NetBSD: t_mtime_write.c,v 1.1 2017/11/19 21:05:26 martin Exp $");
31
32 #include <errno.h>
33 #include <unistd.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <sys/stat.h>
37 #include <atf-c.h>
38
39 #include <rump/rump_syscalls.h>
40 #include <rump/rump.h>
41
42 #include "../common/h_fsmacros.h"
43
44 #define LOCKFILE "lock"
45
46 static time_t
lock_it(void)47 lock_it(void)
48 {
49 struct stat st;
50
51 if (rump_sys_stat(LOCKFILE, &st) != 0)
52 st.st_mtime = 0;
53
54 int f = rump_sys_open(LOCKFILE, O_WRONLY|O_CREAT, 0666);
55 if (f == -1) return 0;
56 rump_sys_write(f, &st, sizeof st);
57 rump_sys_close(f);
58
59 return st.st_mtime;
60 }
61
62 static void
mtime_update_on_write(const atf_tc_t * tc,const char * path)63 mtime_update_on_write(const atf_tc_t *tc, const char *path)
64 {
65 time_t last_ts = 0;
66 int res;
67
68 /* atf_tc_expect_fail("PR kern/52738"); */
69
70 res = rump_sys_chdir(path);
71 if (res == -1)
72 atf_tc_fail("chdir failed");
73
74 for (int i = 0; i < 5; i++) {
75 time_t l = lock_it();
76 printf("last lock: %ld\n", (long)l);
77 ATF_REQUIRE_MSG(i == 0 || l > last_ts,
78 "iteration %d: lock time did not increase, old time %lu, "
79 "new time %lu", i,
80 (unsigned long)last_ts, (unsigned long)l);
81 last_ts = l;
82 sleep(2);
83 }
84 rump_sys_chdir("/");
85 }
86
87 ATF_FSAPPLY(mtime_update_on_write, "Checks for mtime updates by writing (PR kern/52738)");
88