1*11be35a1SLionel Sambuc /* $NetBSD: t_rmdirrace.c,v 1.9 2012/02/16 02:47:56 perseant Exp $ */
2*11be35a1SLionel Sambuc
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc * Copyright (c) 2010 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc * All rights reserved.
6*11be35a1SLionel Sambuc *
7*11be35a1SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*11be35a1SLionel Sambuc * by Nicolas Joly.
9*11be35a1SLionel Sambuc *
10*11be35a1SLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*11be35a1SLionel Sambuc * modification, are permitted provided that the following conditions
12*11be35a1SLionel Sambuc * are met:
13*11be35a1SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*11be35a1SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*11be35a1SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*11be35a1SLionel Sambuc *
19*11be35a1SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*11be35a1SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*11be35a1SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*11be35a1SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*11be35a1SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*11be35a1SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*11be35a1SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*11be35a1SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*11be35a1SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*11be35a1SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*11be35a1SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30*11be35a1SLionel Sambuc */
31*11be35a1SLionel Sambuc
32*11be35a1SLionel Sambuc #include <sys/stat.h>
33*11be35a1SLionel Sambuc
34*11be35a1SLionel Sambuc #include <atf-c.h>
35*11be35a1SLionel Sambuc #include <fcntl.h>
36*11be35a1SLionel Sambuc #include <pthread.h>
37*11be35a1SLionel Sambuc #include <stdlib.h>
38*11be35a1SLionel Sambuc #include <unistd.h>
39*11be35a1SLionel Sambuc
40*11be35a1SLionel Sambuc #include <rump/rump_syscalls.h>
41*11be35a1SLionel Sambuc #include <rump/rump.h>
42*11be35a1SLionel Sambuc
43*11be35a1SLionel Sambuc #include "../common/h_fsmacros.h"
44*11be35a1SLionel Sambuc
45*11be35a1SLionel Sambuc #define DIRNAME "rmdir.test"
46*11be35a1SLionel Sambuc
func1(void * arg)47*11be35a1SLionel Sambuc static void *func1(void *arg)
48*11be35a1SLionel Sambuc {
49*11be35a1SLionel Sambuc
50*11be35a1SLionel Sambuc while (*(int *)arg != 1)
51*11be35a1SLionel Sambuc rump_sys_mkdir(DIRNAME, 0755);
52*11be35a1SLionel Sambuc
53*11be35a1SLionel Sambuc return NULL;
54*11be35a1SLionel Sambuc }
55*11be35a1SLionel Sambuc
func2(void * arg)56*11be35a1SLionel Sambuc static void *func2(void *arg)
57*11be35a1SLionel Sambuc {
58*11be35a1SLionel Sambuc
59*11be35a1SLionel Sambuc while (*(int *)arg != 1)
60*11be35a1SLionel Sambuc rump_sys_rmdir(DIRNAME);
61*11be35a1SLionel Sambuc
62*11be35a1SLionel Sambuc return NULL;
63*11be35a1SLionel Sambuc }
64*11be35a1SLionel Sambuc
65*11be35a1SLionel Sambuc static void
race(const atf_tc_t * tc,const char * path)66*11be35a1SLionel Sambuc race(const atf_tc_t *tc, const char *path)
67*11be35a1SLionel Sambuc {
68*11be35a1SLionel Sambuc int res, fd, quit;
69*11be35a1SLionel Sambuc pthread_t th1, th2;
70*11be35a1SLionel Sambuc
71*11be35a1SLionel Sambuc if (FSTYPE_SYSVBFS(tc))
72*11be35a1SLionel Sambuc atf_tc_skip("directories not supported by file system");
73*11be35a1SLionel Sambuc
74*11be35a1SLionel Sambuc fd = rump_sys_open(".", O_RDONLY, 0666);
75*11be35a1SLionel Sambuc if (fd == -1)
76*11be35a1SLionel Sambuc atf_tc_fail("open failed");
77*11be35a1SLionel Sambuc res = rump_sys_chdir(path);
78*11be35a1SLionel Sambuc if (res == -1)
79*11be35a1SLionel Sambuc atf_tc_fail("chdir failed");
80*11be35a1SLionel Sambuc
81*11be35a1SLionel Sambuc quit = 0;
82*11be35a1SLionel Sambuc
83*11be35a1SLionel Sambuc res = pthread_create(&th1, NULL, func1, &quit);
84*11be35a1SLionel Sambuc if (res != 0)
85*11be35a1SLionel Sambuc atf_tc_fail("pthread_create1 failed");
86*11be35a1SLionel Sambuc res = pthread_create(&th2, NULL, func2, &quit);
87*11be35a1SLionel Sambuc if (res != 0)
88*11be35a1SLionel Sambuc atf_tc_fail("pthread_create2 failed");
89*11be35a1SLionel Sambuc
90*11be35a1SLionel Sambuc sleep(10);
91*11be35a1SLionel Sambuc
92*11be35a1SLionel Sambuc quit = 1;
93*11be35a1SLionel Sambuc
94*11be35a1SLionel Sambuc res = pthread_join(th2, NULL);
95*11be35a1SLionel Sambuc if (res != 0)
96*11be35a1SLionel Sambuc atf_tc_fail("pthread_join2 failed");
97*11be35a1SLionel Sambuc res = pthread_join(th1, NULL);
98*11be35a1SLionel Sambuc if (res != 0)
99*11be35a1SLionel Sambuc atf_tc_fail("pthread_join1 failed");
100*11be35a1SLionel Sambuc
101*11be35a1SLionel Sambuc res = rump_sys_fchdir(fd);
102*11be35a1SLionel Sambuc if (res == -1)
103*11be35a1SLionel Sambuc atf_tc_fail("fchdir failed");
104*11be35a1SLionel Sambuc }
105*11be35a1SLionel Sambuc
106*11be35a1SLionel Sambuc ATF_FSAPPLY(race, "rmdir(2) race");
107