1*dd66b5baSEnji Cooper /*-
2*dd66b5baSEnji Cooper * Copyright (c) 2017 The NetBSD Foundation, Inc.
3*dd66b5baSEnji Cooper * All rights reserved.
4*dd66b5baSEnji Cooper *
5*dd66b5baSEnji Cooper * Redistribution and use in source and binary forms, with or without
6*dd66b5baSEnji Cooper * modification, are permitted provided that the following conditions
7*dd66b5baSEnji Cooper * are met:
8*dd66b5baSEnji Cooper * 1. Redistributions of source code must retain the above copyright
9*dd66b5baSEnji Cooper * notice, this list of conditions and the following disclaimer.
10*dd66b5baSEnji Cooper * 2. Redistributions in binary form must reproduce the above copyright
11*dd66b5baSEnji Cooper * notice, this list of conditions and the following disclaimer in the
12*dd66b5baSEnji Cooper * documentation and/or other materials provided with the distribution.
13*dd66b5baSEnji Cooper *
14*dd66b5baSEnji Cooper * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
15*dd66b5baSEnji Cooper * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
16*dd66b5baSEnji Cooper * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17*dd66b5baSEnji Cooper * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
18*dd66b5baSEnji Cooper * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19*dd66b5baSEnji Cooper * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20*dd66b5baSEnji Cooper * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21*dd66b5baSEnji Cooper * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22*dd66b5baSEnji Cooper * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23*dd66b5baSEnji Cooper * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24*dd66b5baSEnji Cooper * POSSIBILITY OF SUCH DAMAGE.
25*dd66b5baSEnji Cooper */
26*dd66b5baSEnji Cooper
27*dd66b5baSEnji Cooper #include <sys/cdefs.h>
28*dd66b5baSEnji Cooper __COPYRIGHT("@(#) Copyright (c) 2013\
29*dd66b5baSEnji Cooper The NetBSD Foundation, inc. All rights reserved.");
30*dd66b5baSEnji Cooper __RCSID("$NetBSD: t_mtime_otrunc.c,v 1.1 2017/02/02 22:07:05 martin Exp $");
31*dd66b5baSEnji Cooper
32*dd66b5baSEnji Cooper #include <errno.h>
33*dd66b5baSEnji Cooper #include <unistd.h>
34*dd66b5baSEnji Cooper #include <stdio.h>
35*dd66b5baSEnji Cooper #include <stdlib.h>
36*dd66b5baSEnji Cooper #include <sys/stat.h>
37*dd66b5baSEnji Cooper #include <atf-c.h>
38*dd66b5baSEnji Cooper
39*dd66b5baSEnji Cooper #include <rump/rump_syscalls.h>
40*dd66b5baSEnji Cooper #include <rump/rump.h>
41*dd66b5baSEnji Cooper
42*dd66b5baSEnji Cooper #include "../common/h_fsmacros.h"
43*dd66b5baSEnji Cooper
44*dd66b5baSEnji Cooper #define LOCKFILE "lock"
45*dd66b5baSEnji Cooper
46*dd66b5baSEnji Cooper static time_t
lock_it(void)47*dd66b5baSEnji Cooper lock_it(void)
48*dd66b5baSEnji Cooper {
49*dd66b5baSEnji Cooper struct stat st;
50*dd66b5baSEnji Cooper
51*dd66b5baSEnji Cooper if (rump_sys_stat(LOCKFILE, &st) != 0)
52*dd66b5baSEnji Cooper st.st_mtime = 0;
53*dd66b5baSEnji Cooper
54*dd66b5baSEnji Cooper int f = rump_sys_open(LOCKFILE, O_WRONLY|O_CREAT|O_TRUNC, 0666);
55*dd66b5baSEnji Cooper if (f == -1) return 0;
56*dd66b5baSEnji Cooper rump_sys_close(f);
57*dd66b5baSEnji Cooper
58*dd66b5baSEnji Cooper return st.st_mtime;
59*dd66b5baSEnji Cooper }
60*dd66b5baSEnji Cooper
61*dd66b5baSEnji Cooper static void
otrunc_mtime_update(const atf_tc_t * tc,const char * path)62*dd66b5baSEnji Cooper otrunc_mtime_update(const atf_tc_t *tc, const char *path)
63*dd66b5baSEnji Cooper {
64*dd66b5baSEnji Cooper time_t last_ts = 0;
65*dd66b5baSEnji Cooper int res;
66*dd66b5baSEnji Cooper
67*dd66b5baSEnji Cooper /* atf_tc_expect_fail("PR kern/51762"); */
68*dd66b5baSEnji Cooper
69*dd66b5baSEnji Cooper res = rump_sys_chdir(path);
70*dd66b5baSEnji Cooper if (res == -1)
71*dd66b5baSEnji Cooper atf_tc_fail("chdir failed");
72*dd66b5baSEnji Cooper
73*dd66b5baSEnji Cooper for (int i = 0; i < 5; i++) {
74*dd66b5baSEnji Cooper time_t l = lock_it();
75*dd66b5baSEnji Cooper printf("last lock: %ld\n", (long)l);
76*dd66b5baSEnji Cooper ATF_REQUIRE_MSG(i == 0 || l > last_ts,
77*dd66b5baSEnji Cooper "iteration %d: lock time did not increase, old time %lu, "
78*dd66b5baSEnji Cooper "new time %lu", i,
79*dd66b5baSEnji Cooper (unsigned long)last_ts, (unsigned long)l);
80*dd66b5baSEnji Cooper last_ts = l;
81*dd66b5baSEnji Cooper sleep(2);
82*dd66b5baSEnji Cooper }
83*dd66b5baSEnji Cooper rump_sys_chdir("/");
84*dd66b5baSEnji Cooper }
85*dd66b5baSEnji Cooper
86*dd66b5baSEnji Cooper ATF_FSAPPLY(otrunc_mtime_update, "Checks for mtime updates by open(O_TRUNC) (PR kern/51762)");
87