2 * Copyright (c) 2014 EMC Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
37 #include <sys/limits.h>
39 #include <sys/sysctl.h>
43 static volatile sig_atomic_t done;
48 #define RENDEZVOUS "rendezvous"
51 ATF_TC_WITHOUT_HEAD(dup2__simple);
52 ATF_TC_BODY(dup2__simple, tc)
57 ATF_REQUIRE((fd1 = open(AFILE, O_CREAT, 0644)) != -1);
59 ATF_REQUIRE(dup2(fd1, fd2) != -1);
60 ATF_REQUIRE(fstat(fd1, &sb1) != -1);
61 ATF_REQUIRE(fstat(fd2, &sb2) != -1);
62 ATF_REQUIRE(bcmp(&sb1, &sb2, sizeof(sb1)) == 0);
65 ATF_TC(dup2__ebadf_when_2nd_arg_out_of_range);
66 ATF_TC_HEAD(dup2__ebadf_when_2nd_arg_out_of_range, tc)
68 atf_tc_set_md_var(tc, "descr", "Regression test for r234131");
71 ATF_TC_BODY(dup2__ebadf_when_2nd_arg_out_of_range, tc)
75 ATF_REQUIRE((fd1 = open(AFILE, O_CREAT, 0644)) != -1);
78 ATF_CHECK_EQ(-1, ret);
79 ATF_CHECK_EQ(EBADF, errno);
83 handler(int s __unused)
95 for (i = 0; i < n; i++)
96 ATF_REQUIRE((r = open(AFILE, O_RDONLY)) != -1);
97 kill(getppid(), SIGUSR1);
100 if (access(RENDEZVOUS, R_OK) != 0)
112 signal(SIGUSR1, handler);
113 ATF_REQUIRE((fd = open(AFILE, O_CREAT, 0644)) != -1);
115 ATF_REQUIRE((fd = open(RENDEZVOUS, O_CREAT, 0644)) != -1);
118 for (i = 0; i < PARALLEL; i++)
120 openfiles2(n / PARALLEL);
121 while (done != PARALLEL)
127 ATF_TC_WITH_CLEANUP(kern_maxfiles__increase);
128 ATF_TC_HEAD(kern_maxfiles__increase, tc)
130 atf_tc_set_md_var(tc, "require.user", "root");
131 atf_tc_set_md_var(tc, "require.config", "allow_sysctl_side_effects");
132 atf_tc_set_md_var(tc, "descr",
133 "Check kern.maxfiles expansion");
136 ATF_TC_BODY(kern_maxfiles__increase, tc)
139 int maxfiles, oldmaxfiles, current;
142 oldlen = sizeof(maxfiles);
143 if (sysctlbyname("kern.maxfiles", &maxfiles, &oldlen, NULL, 0) == -1)
144 atf_tc_fail("getsysctlbyname(%s): %s", "kern.maxfiles",
146 if (sysctlbyname("kern.openfiles", ¤t, &oldlen, NULL, 0) == -1)
147 atf_tc_fail("getsysctlbyname(%s): %s", "kern.openfiles",
150 oldmaxfiles = maxfiles;
152 /* Store old kern.maxfiles in a symlink for cleanup */
153 snprintf(buf, sizeof(buf), "%d", oldmaxfiles);
154 if (symlink(buf, VALUE) == 1)
155 atf_tc_fail("symlink(%s, %s): %s", buf, VALUE,
158 maxfiles += EXPANDBY;
159 if (sysctlbyname("kern.maxfiles", NULL, 0, &maxfiles, oldlen) == -1)
160 atf_tc_fail("getsysctlbyname(%s): %s", "kern.maxfiles",
163 openfiles(oldmaxfiles - current + 1);
167 ATF_TC_CLEANUP(kern_maxfiles__increase, tc)
173 if ((n = readlink(VALUE, buf, sizeof(buf))) > 0) {
174 buf[MIN((size_t)n, sizeof(buf) - 1)] = '\0';
175 if (sscanf(buf, "%d", &oldmaxfiles) == 1) {
176 oldlen = sizeof(oldmaxfiles);
177 (void) sysctlbyname("kern.maxfiles", NULL, 0,
178 &oldmaxfiles, oldlen);
186 ATF_TP_ADD_TC(tp, dup2__simple);
187 ATF_TP_ADD_TC(tp, dup2__ebadf_when_2nd_arg_out_of_range);
188 ATF_TP_ADD_TC(tp, kern_maxfiles__increase);
190 return (atf_no_error());