Index: stable/10/tests/sys/kern/kern_descrip_test.c =================================================================== --- stable/10/tests/sys/kern/kern_descrip_test.c (revision 282859) +++ stable/10/tests/sys/kern/kern_descrip_test.c (revision 282860) @@ -1,78 +1,190 @@ /*- * Copyright (c) 2014 EMC Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include +#include #include #include #include #include #include +#include #include #include -ATF_TC_WITHOUT_HEAD(dup2_simple); -ATF_TC_BODY(dup2_simple, tc) +static volatile sig_atomic_t done; + +#define AFILE "afile" +#define EXPANDBY 1000 +#define PARALLEL 4 +#define RENDEZVOUS "rendezvous" +#define VALUE "value" + +ATF_TC_WITHOUT_HEAD(dup2__simple); +ATF_TC_BODY(dup2__simple, tc) { int fd1, fd2; struct stat sb1, sb2; - fd1 = open("/etc/passwd", O_RDONLY); - ATF_REQUIRE(fd1 >= 0); + ATF_REQUIRE((fd1 = open(AFILE, O_CREAT, 0644)) != -1); fd2 = 27; ATF_REQUIRE(dup2(fd1, fd2) != -1); ATF_REQUIRE(fstat(fd1, &sb1) != -1); ATF_REQUIRE(fstat(fd2, &sb2) != -1); ATF_REQUIRE(bcmp(&sb1, &sb2, sizeof(sb1)) == 0); } ATF_TC(dup2__ebadf_when_2nd_arg_out_of_range); ATF_TC_HEAD(dup2__ebadf_when_2nd_arg_out_of_range, tc) { atf_tc_set_md_var(tc, "descr", "Regression test for r234131"); } + ATF_TC_BODY(dup2__ebadf_when_2nd_arg_out_of_range, tc) { int fd1, fd2, ret; - fd1 = open("/etc/passwd", O_RDONLY); + ATF_REQUIRE((fd1 = open(AFILE, O_CREAT, 0644)) != -1); fd2 = INT_MAX; ret = dup2(fd1, fd2); ATF_CHECK_EQ(-1, ret); ATF_CHECK_EQ(EBADF, errno); } +static void +handler(int s __unused) +{ + done++; +} + +static void +openfiles2(size_t n) +{ + size_t i; + int r; + + errno = 0; + for (i = 0; i < n; i++) + ATF_REQUIRE((r = open(AFILE, O_RDONLY)) != -1); + kill(getppid(), SIGUSR1); + + for (;;) { + if (access(RENDEZVOUS, R_OK) != 0) + break; + usleep(1000); + } + _exit(0); +} + +static void +openfiles(size_t n) +{ + int i, fd; + + signal(SIGUSR1, handler); + ATF_REQUIRE((fd = open(AFILE, O_CREAT, 0644)) != -1); + close(fd); + ATF_REQUIRE((fd = open(RENDEZVOUS, O_CREAT, 0644)) != -1); + close(fd); + done = 0; + for (i = 0; i < PARALLEL; i++) + if (fork() == 0) + openfiles2(n / PARALLEL); + while (done != PARALLEL) + usleep(1000); + unlink(RENDEZVOUS); + usleep(40000); +} + +ATF_TC_WITH_CLEANUP(kern_maxfiles__increase); +ATF_TC_HEAD(kern_maxfiles__increase, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); + atf_tc_set_md_var(tc, "require.config", "allow_sysctl_side_effects"); + atf_tc_set_md_var(tc, "descr", + "Check kern.maxfiles expansion"); +} + +ATF_TC_BODY(kern_maxfiles__increase, tc) +{ + size_t oldlen; + int maxfiles, oldmaxfiles, current; + char buf[80]; + + oldlen = sizeof(maxfiles); + if (sysctlbyname("kern.maxfiles", &maxfiles, &oldlen, NULL, 0) == -1) + atf_tc_fail("getsysctlbyname(%s): %s", "kern.maxfiles", + strerror(errno)); + if (sysctlbyname("kern.openfiles", ¤t, &oldlen, NULL, 0) == -1) + atf_tc_fail("getsysctlbyname(%s): %s", "kern.openfiles", + strerror(errno)); + + oldmaxfiles = maxfiles; + + /* Store old kern.maxfiles in a symlink for cleanup */ + snprintf(buf, sizeof(buf), "%d", oldmaxfiles); + if (symlink(buf, VALUE) == 1) + atf_tc_fail("symlink(%s, %s): %s", buf, VALUE, + strerror(errno)); + + maxfiles += EXPANDBY; + if (sysctlbyname("kern.maxfiles", NULL, 0, &maxfiles, oldlen) == -1) + atf_tc_fail("getsysctlbyname(%s): %s", "kern.maxfiles", + strerror(errno)); + + openfiles(oldmaxfiles - current + 1); + (void)unlink(VALUE); +} + +ATF_TC_CLEANUP(kern_maxfiles__increase, tc) +{ + size_t oldlen; + int n, oldmaxfiles; + char buf[80]; + + if ((n = readlink(VALUE, buf, sizeof(buf))) > 0) { + buf[n] = '\0'; + if (sscanf(buf, "%d", &oldmaxfiles) == 1) { + oldlen = sizeof(oldmaxfiles); + (void) sysctlbyname("kern.maxfiles", NULL, 0, + &oldmaxfiles, oldlen); + } + } +} + ATF_TP_ADD_TCS(tp) { - ATF_TP_ADD_TC(tp, dup2_simple); - ATF_TP_ADD_TC(tp, dup2__ebadf_when_2nd_arg_out_of_range); + ATF_TP_ADD_TC(tp, dup2__simple); + ATF_TP_ADD_TC(tp, dup2__ebadf_when_2nd_arg_out_of_range); + ATF_TP_ADD_TC(tp, kern_maxfiles__increase); - return atf_no_error(); + return (atf_no_error()); } Index: stable/10 =================================================================== --- stable/10 (revision 282859) +++ stable/10 (revision 282860) Property changes on: stable/10 ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head:r262781,263336