| /* |
| * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| /******************************************************************* |
| * |
| * TEST IDENTIFIER : sched_setparam04 |
| * |
| * EXECUTED BY : anyone |
| * |
| * TEST TITLE : testing error conditions for sched_setparam(2) |
| * |
| * TEST CASE TOTAL : 4 |
| * |
| * AUTHOR : Saji Kumar.V.R <saji.kumar@wipro.com> |
| * |
| * SIGNALS |
| * Uses SIGUSR1 to pause before test if option set. |
| * (See the parse_opts(3) man page). |
| * |
| * DESCRIPTION |
| * Verify that, |
| * 1) sched_setparam(2) returns -1 and sets errno to ESRCH if the |
| * process with specified pid could not be found |
| * 2) sched_setparam(2) returns -1 and sets errno to EINVAL if |
| * the parameter pid is an invalid value (-1) |
| * 3) sched_setparam(2) returns -1 and sets errno to EINVAL if the |
| * parameter p is an invalid address |
| * 4) sched_setparam(2) returns -1 sets errno to EINVAL if the |
| * value for p.sched_priority is other than 0 for scheduling |
| * policy, SCHED_OTHER |
| * |
| * ALGORITHM |
| * Setup: |
| * Setup signal handling. |
| * Pause for SIGUSR1 if option specified. |
| * |
| * Test: |
| * Loop if the proper options are given. |
| * Execute system call |
| * Check return code, if (system call failed (return=-1)) & |
| * (errno set == expected errno) |
| * Issue sys call fails with expected return value and errno. |
| * Otherwise, |
| * Issue sys call returns unexpected value. |
| * |
| * Cleanup: |
| * Print errno log and/or timing stats if options given |
| * |
| * USAGE: <for command-line> |
| * sched_setparam04 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-h] [-f] [-p] |
| * where, -c n : Run n copies concurrently. |
| * -e : Turn on errno logging. |
| * -h : Show help screen |
| * -f : Turn off functional testing |
| * -i n : Execute test n times. |
| * -I x : Execute test for x seconds. |
| * -p : Pause for SIGUSR1 before starting |
| * -P x : Pause for x seconds between iterations. |
| * -t : Turn on syscall timing. |
| * |
| *********************************************************************/ |
| |
| #include "test.h" |
| |
| #include <errno.h> |
| #include <sched.h> |
| #include <pwd.h> |
| |
| static void cleanup(void); |
| static void setup(void); |
| |
| static struct sched_param param = { 0 }; |
| static struct sched_param param1 = { 1 }; |
| |
| char *TCID = "sched_setparam04"; |
| |
| static pid_t unused_pid; |
| static pid_t inval_pid = -1; |
| static pid_t zero_pid; |
| |
| static struct test_case_t { |
| char *desc; |
| pid_t *pid; |
| struct sched_param *p; |
| int exp_errno; |
| char err_desc[10]; |
| } test_cases[] = { |
| { |
| "test with non-existing pid", &unused_pid, ¶m, ESRCH, "ESRCH"}, { |
| "test invalid pid value", &inval_pid, ¶m, EINVAL, "EINVAL"}, { |
| "test with invalid address for p", &zero_pid, NULL, EINVAL, "EINVAL"}, { |
| "test with invalid p.sched_priority", &zero_pid, ¶m1, EINVAL, |
| "EINVAL"} |
| }; |
| |
| int TST_TOTAL = sizeof(test_cases) / sizeof(test_cases[0]); |
| |
| int main(int ac, char **av) |
| { |
| int lc, ind; /* loop counter */ |
| const char *msg; |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); /* global setup */ |
| |
| /* The following loop checks looping state if -i option given */ |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| /* reset tst_count in case we are looping */ |
| tst_count = 0; |
| |
| for (ind = 0; ind < TST_TOTAL; ind++) { |
| /* |
| * call the system call with the TEST() macro |
| */ |
| TEST(sched_setparam(*(test_cases[ind].pid), |
| test_cases[ind].p)); |
| |
| if ((TEST_RETURN == -1) && |
| (TEST_ERRNO == test_cases[ind].exp_errno)) { |
| tst_resm(TPASS, "expected failure; Got %s", |
| test_cases[ind].err_desc); |
| } else { |
| tst_resm(TFAIL, "Call failed to produce " |
| "expected error; Expected errno: %d " |
| "Got : %d, %s", |
| test_cases[ind].exp_errno, |
| TEST_ERRNO, strerror(TEST_ERRNO)); |
| } |
| } |
| } |
| |
| cleanup(); |
| |
| tst_exit(); |
| } |
| |
| /* |
| * setup() - performs all the ONE TIME setup for this test. |
| */ |
| void setup(void) |
| { |
| unused_pid = tst_get_unused_pid(cleanup); |
| |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| } |
| |
| /* |
| * cleanup() - performs all the ONE TIME cleanup for this test at completion |
| * or premature exit. |
| */ |
| void cleanup(void) |
| { |
| |
| } |