1*11be35a1SLionel Sambuc /* $NetBSD: t_mountd.c,v 1.5 2012/02/24 13:53:46 joerg Exp $ */
2*11be35a1SLionel Sambuc
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc * Copyright (c) 2010 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc *
6*11be35a1SLionel Sambuc * Redistribution and use in source and binary forms, with or without
7*11be35a1SLionel Sambuc * modification, are permitted provided that the following conditions
8*11be35a1SLionel Sambuc * are met:
9*11be35a1SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
10*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer.
11*11be35a1SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
12*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
13*11be35a1SLionel Sambuc * documentation and/or other materials provided with the distribution.
14*11be35a1SLionel Sambuc *
15*11be35a1SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16*11be35a1SLionel Sambuc * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17*11be35a1SLionel Sambuc * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18*11be35a1SLionel Sambuc * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*11be35a1SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*11be35a1SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21*11be35a1SLionel Sambuc * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*11be35a1SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*11be35a1SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*11be35a1SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*11be35a1SLionel Sambuc * SUCH DAMAGE.
26*11be35a1SLionel Sambuc */
27*11be35a1SLionel Sambuc
28*11be35a1SLionel Sambuc #include <sys/types.h>
29*11be35a1SLionel Sambuc #include <sys/mount.h>
30*11be35a1SLionel Sambuc
31*11be35a1SLionel Sambuc #include <atf-c.h>
32*11be35a1SLionel Sambuc #include <errno.h>
33*11be35a1SLionel Sambuc #include <fcntl.h>
34*11be35a1SLionel Sambuc #include <pthread.h>
35*11be35a1SLionel Sambuc #include <stdio.h>
36*11be35a1SLionel Sambuc #include <stdlib.h>
37*11be35a1SLionel Sambuc #include <unistd.h>
38*11be35a1SLionel Sambuc #include <string.h>
39*11be35a1SLionel Sambuc #include <signal.h>
40*11be35a1SLionel Sambuc
41*11be35a1SLionel Sambuc #include <rump/rump.h>
42*11be35a1SLionel Sambuc #include <rump/rump_syscalls.h>
43*11be35a1SLionel Sambuc
44*11be35a1SLionel Sambuc #include "../../h_macros.h"
45*11be35a1SLionel Sambuc #include "../common/h_fsmacros.h"
46*11be35a1SLionel Sambuc
47*11be35a1SLionel Sambuc ATF_TC(mountdhup);
ATF_TC_HEAD(mountdhup,tc)48*11be35a1SLionel Sambuc ATF_TC_HEAD(mountdhup, tc)
49*11be35a1SLionel Sambuc {
50*11be35a1SLionel Sambuc
51*11be35a1SLionel Sambuc atf_tc_set_md_var(tc, "descr", "test for service interrupt while "
52*11be35a1SLionel Sambuc "mountd handles SIGHUP");
53*11be35a1SLionel Sambuc }
54*11be35a1SLionel Sambuc
55*11be35a1SLionel Sambuc static volatile int quit;
56*11be35a1SLionel Sambuc
57*11be35a1SLionel Sambuc static void *
wrkwrkwrk(void * unused)58*11be35a1SLionel Sambuc wrkwrkwrk(void *unused)
59*11be35a1SLionel Sambuc {
60*11be35a1SLionel Sambuc int fd, fail;
61*11be35a1SLionel Sambuc
62*11be35a1SLionel Sambuc fail = 0;
63*11be35a1SLionel Sambuc
64*11be35a1SLionel Sambuc rump_sys_chdir(FSTEST_MNTNAME);
65*11be35a1SLionel Sambuc while (!quit) {
66*11be35a1SLionel Sambuc fd = rump_sys_open("file", O_RDWR | O_CREAT);
67*11be35a1SLionel Sambuc if (fd == -1) {
68*11be35a1SLionel Sambuc if (errno == EACCES) {
69*11be35a1SLionel Sambuc fail++;
70*11be35a1SLionel Sambuc break;
71*11be35a1SLionel Sambuc }
72*11be35a1SLionel Sambuc }
73*11be35a1SLionel Sambuc rump_sys_close(fd);
74*11be35a1SLionel Sambuc if (rump_sys_unlink("file") == -1) {
75*11be35a1SLionel Sambuc if (errno == EACCES) {
76*11be35a1SLionel Sambuc fail++;
77*11be35a1SLionel Sambuc break;
78*11be35a1SLionel Sambuc }
79*11be35a1SLionel Sambuc }
80*11be35a1SLionel Sambuc }
81*11be35a1SLionel Sambuc rump_sys_chdir("/");
82*11be35a1SLionel Sambuc quit = 1;
83*11be35a1SLionel Sambuc
84*11be35a1SLionel Sambuc return fail ? wrkwrkwrk : NULL;
85*11be35a1SLionel Sambuc }
86*11be35a1SLionel Sambuc
ATF_TC_BODY(mountdhup,tc)87*11be35a1SLionel Sambuc ATF_TC_BODY(mountdhup, tc)
88*11be35a1SLionel Sambuc {
89*11be35a1SLionel Sambuc pthread_t pt;
90*11be35a1SLionel Sambuc struct nfstestargs *nfsargs;
91*11be35a1SLionel Sambuc void *voidargs;
92*11be35a1SLionel Sambuc int attempts;
93*11be35a1SLionel Sambuc void *fail;
94*11be35a1SLionel Sambuc
95*11be35a1SLionel Sambuc FSTEST_CONSTRUCTOR(tc, nfs, voidargs);
96*11be35a1SLionel Sambuc nfsargs = voidargs;
97*11be35a1SLionel Sambuc
98*11be35a1SLionel Sambuc pthread_create(&pt, NULL, wrkwrkwrk, NULL);
99*11be35a1SLionel Sambuc for (attempts = 100; attempts && !quit; attempts--) {
100*11be35a1SLionel Sambuc usleep(100000);
101*11be35a1SLionel Sambuc kill(nfsargs->ta_childpid, SIGHUP);
102*11be35a1SLionel Sambuc }
103*11be35a1SLionel Sambuc quit = 1;
104*11be35a1SLionel Sambuc pthread_join(pt, &fail);
105*11be35a1SLionel Sambuc
106*11be35a1SLionel Sambuc FSTEST_DESTRUCTOR(tc, nfs, voidargs);
107*11be35a1SLionel Sambuc
108*11be35a1SLionel Sambuc atf_tc_expect_fail("PR kern/5844");
109*11be35a1SLionel Sambuc if (fail)
110*11be35a1SLionel Sambuc atf_tc_fail("op failed with EACCES");
111*11be35a1SLionel Sambuc else
112*11be35a1SLionel Sambuc atf_tc_fail("race did not trigger this time");
113*11be35a1SLionel Sambuc }
114*11be35a1SLionel Sambuc
ATF_TP_ADD_TCS(tp)115*11be35a1SLionel Sambuc ATF_TP_ADD_TCS(tp)
116*11be35a1SLionel Sambuc {
117*11be35a1SLionel Sambuc
118*11be35a1SLionel Sambuc ATF_TP_ADD_TC(tp, mountdhup);
119*11be35a1SLionel Sambuc
120*11be35a1SLionel Sambuc return atf_no_error();
121*11be35a1SLionel Sambuc }
122