vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of version 2 of the GNU General Public License as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it would be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11 | * |
| 12 | * You should have received a copy of the GNU General Public License along |
Wanlong Gao | fed9641 | 2012-10-24 10:10:29 +0800 | [diff] [blame] | 13 | * with this program; if not, write the Free Software Foundation, Inc., |
| 14 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 15 | */ |
| 16 | /********************************************************** |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 17 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 18 | * TEST IDENTIFIER : sched_setparam02 |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 19 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 20 | * EXECUTED BY : root / superuser |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 21 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 22 | * TEST TITLE : Checks functionality for sched_setparam(2) |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 23 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 24 | * TEST CASE TOTAL : 1 |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 25 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 26 | * AUTHOR : Saji Kumar.V.R <saji.kumar@wipro.com> |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 27 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 28 | * SIGNALS |
| 29 | * Uses SIGUSR1 to pause before test if option set. |
| 30 | * (See the parse_opts(3) man page). |
| 31 | * |
| 32 | * DESCRIPTION |
| 33 | * This test changes the scheduling priority for current process |
| 34 | * and verifies it by calling sched_getparam(). |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 35 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 36 | * Setup: |
| 37 | * Setup signal handling. |
| 38 | * Pause for SIGUSR1 if option specified. |
| 39 | * Change scheduling policy to SCHED_FIFO |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 40 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 41 | * Test: |
| 42 | * Loop if the proper options are given. |
| 43 | * Execute system call |
| 44 | * If scheduling priority is set properly, |
| 45 | * TEST passed |
| 46 | * else |
| 47 | * TEST failed |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 48 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 49 | * Cleanup: |
| 50 | * Print errno log and/or timing stats if options given |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 51 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 52 | * USAGE: <for command-line> |
| 53 | * sched_setparam02 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-h] [-f] [-p] |
| 54 | * where, -c n : Run n copies concurrently. |
| 55 | * -e : Turn on errno logging. |
| 56 | * -h : Show help screen |
| 57 | * -f : Turn off functional testing |
| 58 | * -i n : Execute test n times. |
| 59 | * -I x : Execute test for x seconds. |
| 60 | * -p : Pause for SIGUSR1 before starting |
| 61 | * -P x : Pause for x seconds between iterations. |
| 62 | * -t : Turn on syscall timing. |
| 63 | * |
| 64 | ****************************************************************/ |
| 65 | |
| 66 | #include <errno.h> |
| 67 | #include <sched.h> |
| 68 | #include "test.h" |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 69 | |
| 70 | #define FIFO_OR_RR_PRIO 5 |
| 71 | #define OTHER_PRIO 0 |
| 72 | |
| 73 | static void setup(); |
| 74 | static void cleanup(); |
| 75 | static int verify_priority(int); |
| 76 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 77 | char *TCID = "sched_setparam02"; |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 78 | |
| 79 | static struct sched_param param; |
| 80 | static struct sched_param param1 = { 1 }; |
| 81 | |
| 82 | static struct test_cases_t { |
| 83 | char *desc; |
| 84 | int policy; |
| 85 | int priority; |
| 86 | } testcases[] = { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 87 | { |
| 88 | "Test with policy SCHED_FIFO", SCHED_FIFO, FIFO_OR_RR_PRIO}, { |
| 89 | "Test with policy SCHED_RR", SCHED_RR, FIFO_OR_RR_PRIO}, { |
| 90 | "Test with SCHED_OTHER", SCHED_OTHER, OTHER_PRIO} |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 91 | }; |
| 92 | |
| 93 | int TST_TOTAL = sizeof(testcases) / sizeof(testcases[0]); |
| 94 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 95 | int main(int ac, char **av) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 96 | { |
| 97 | |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 98 | int lc, i; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 99 | const char *msg; |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 100 | |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 101 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
Garrett Cooper | 60fa801 | 2010-11-22 13:50:58 -0800 | [diff] [blame] | 102 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 103 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 104 | setup(); |
| 105 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 106 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 107 | |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 108 | tst_count = 0; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 109 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 110 | for (i = 0; i < TST_TOTAL; ++i) { |
| 111 | |
| 112 | if (i == 2) { |
| 113 | param1.sched_priority = 0; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 114 | } else { |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 115 | param1.sched_priority = 1; |
| 116 | } |
| 117 | if ((sched_setscheduler(0, testcases[i].policy, |
| 118 | ¶m1)) == -1) { |
| 119 | tst_brkm(TBROK, cleanup, "sched_setscheduler()" |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 120 | " failed"); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 121 | } |
| 122 | param.sched_priority = testcases[i].priority; |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 123 | /* |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 124 | * Call sched_setparam(2) with pid=0 sothat it will |
| 125 | * set the scheduling parameters for the calling process |
| 126 | */ |
| 127 | TEST(sched_setparam(0, ¶m)); |
| 128 | |
| 129 | if ((TEST_RETURN == 0) && (verify_priority(i))) { |
| 130 | tst_resm(TPASS, "%s Passed", testcases[i].desc); |
| 131 | } else { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 132 | tst_resm(TFAIL | TTERRNO, |
| 133 | "%s Failed. sched_setparam()" |
| 134 | " returned %ld", testcases[i].desc, |
| 135 | TEST_RETURN); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 136 | } |
| 137 | } |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 138 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 139 | |
| 140 | /* cleanup and exit */ |
| 141 | cleanup(); |
| 142 | |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 143 | tst_exit(); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 144 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 145 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 146 | |
| 147 | /* setup() - performs all ONE TIME setup for this test */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 148 | void setup(void) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 149 | { |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 150 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 151 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| 152 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 153 | TEST_PAUSE; |
| 154 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 155 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 156 | |
| 157 | /* |
| 158 | *cleanup() - performs all ONE TIME cleanup for this test at |
| 159 | * completion or premature exit. |
| 160 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 161 | void cleanup(void) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 162 | { |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 163 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 164 | |
| 165 | /* |
| 166 | * verify_priority() - This function checks whether the priority is |
| 167 | * set correctly |
| 168 | */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 169 | int verify_priority(int i) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 170 | { |
| 171 | struct sched_param p; |
| 172 | |
| 173 | if ((sched_getparam(0, &p)) == 0) { |
| 174 | if (p.sched_priority == testcases[i].priority) { |
| 175 | return 1; |
| 176 | } else { |
| 177 | tst_resm(TWARN, "sched_getparam() returned priority" |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 178 | " value as %d", p.sched_priority); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 179 | return 0; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | tst_resm(TWARN, "sched_getparam() failed"); |
| 184 | return 0; |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 185 | } |