plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2001 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * NAME |
| 22 | * setrlimit03.c |
| 23 | * |
| 24 | * DESCRIPTION |
| 25 | * Test for EPERM when the super-user tries to increase RLIMIT_NOFILE |
| 26 | * beyond the system limit. |
| 27 | * |
| 28 | * USAGE: <for command-line> |
| 29 | * setrlimit03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] |
| 30 | * where, -c n : Run n copies concurrently. |
| 31 | * -e : Turn on errno logging. |
| 32 | * -i n : Execute test n times. |
| 33 | * -I x : Execute test for x seconds. |
| 34 | * -P x : Pause for x seconds between iterations. |
| 35 | * -t : Turn on syscall timing. |
| 36 | * |
| 37 | * HISTORY |
| 38 | * 07/2001 Ported by Wayne Boyer |
| 39 | * |
| 40 | * RESTRICTIONS |
| 41 | * Must run test as root. |
| 42 | */ |
| 43 | #include <sys/time.h> |
| 44 | #include <sys/resource.h> |
| 45 | #include <unistd.h> |
| 46 | #include <errno.h> |
| 47 | #include "test.h" |
mreed10 | b55dbea | 2006-05-01 17:35:30 +0000 | [diff] [blame] | 48 | #include <linux/fs.h> |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 49 | |
| 50 | char *TCID = "setrlimit03"; |
| 51 | int TST_TOTAL = 1; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 52 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 53 | #if !defined(NR_OPEN) |
vapier | d39b5ae | 2006-02-18 06:36:47 +0000 | [diff] [blame] | 54 | //Taken from definition in /usr/include/linux/fs.h |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 55 | #define NR_OPEN (1024*1024) |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 56 | #endif |
robbiew | 0dd8476 | 2004-06-01 16:59:10 +0000 | [diff] [blame] | 57 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 58 | void setup(); |
| 59 | void cleanup(); |
| 60 | |
plars | 74948ad | 2002-11-14 16:16:14 +0000 | [diff] [blame] | 61 | int main(int ac, char **av) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 62 | { |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 63 | int lc; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 64 | const char *msg; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 65 | struct rlimit rlim; |
| 66 | |
Garrett Cooper | 45e285d | 2010-11-22 12:19:25 -0800 | [diff] [blame] | 67 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) { |
Garrett Cooper | 60fa801 | 2010-11-22 13:50:58 -0800 | [diff] [blame] | 68 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 69 | } |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 70 | |
| 71 | setup(); |
| 72 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 73 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 74 | |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 75 | tst_count = 0; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 76 | |
plars | 36a2e5b | 2002-12-12 18:03:14 +0000 | [diff] [blame] | 77 | if (getrlimit(RLIMIT_NOFILE, &rlim) != 0) |
| 78 | tst_brkm(TFAIL, cleanup, "getrlimit failed, " |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 79 | "errno = %d", errno); |
plars | 36a2e5b | 2002-12-12 18:03:14 +0000 | [diff] [blame] | 80 | rlim.rlim_max = NR_OPEN + 1; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 81 | |
| 82 | TEST(setrlimit(RLIMIT_NOFILE, &rlim)); |
| 83 | |
| 84 | if (TEST_RETURN != -1) { |
| 85 | tst_resm(TFAIL, "call succeeded unexpectedly"); |
| 86 | continue; |
| 87 | } |
| 88 | |
plars | 36a2e5b | 2002-12-12 18:03:14 +0000 | [diff] [blame] | 89 | if (TEST_ERRNO != EPERM) { |
| 90 | tst_resm(TFAIL, "Expected EPERM, got %d", TEST_ERRNO); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 91 | } else { |
| 92 | tst_resm(TPASS, "got expected EPERM error"); |
| 93 | } |
| 94 | } |
| 95 | cleanup(); |
Garrett Cooper | 1e6f5a6 | 2010-12-19 09:58:10 -0800 | [diff] [blame] | 96 | tst_exit(); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 97 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | /* |
| 101 | * setup() - performs all ONE TIME setup for this test. |
| 102 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 103 | void setup(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 104 | { |
Nicolas Joly | d4ceb37 | 2014-06-22 17:03:57 +0200 | [diff] [blame] | 105 | tst_require_root(NULL); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 106 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 107 | tst_sig(FORK, DEF_HANDLER, cleanup); |
| 108 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 109 | TEST_PAUSE; |
| 110 | } |
| 111 | |
| 112 | /* |
| 113 | * cleanup() - performs all ONE TIME cleanup for this test at |
| 114 | * completion or premature exit. |
| 115 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 116 | void cleanup(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 117 | { |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 118 | |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 119 | } |