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 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 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