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Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/times03.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/times03.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/times03.c b/winsup/testsuite/winsup.api/ltp/times03.c deleted file mode 100644 index a388c77f7..000000000 --- a/winsup/testsuite/winsup.api/ltp/times03.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * - * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * NAME - * times01.c - * - * DESCRIPTION - * Testcase to check the basic functionality of the times() system call. - * - * ALGORITHM - * This testcase checks the values that times(2) system call returns. - * Start a process, and spend some CPU time by performing a spin in - * a for-loop. Then use the times() system call, to determine the - * cpu time/sleep time, and other statistics. - * - * USAGE: <for command-line> - * times01 [-c n] [-f] [-P x] [-t] - * where, -c n : Run n copies concurrently. - * -f : Turn off functionality Testing. - * -P x : Pause for x seconds between iterations. - * -t : Turn on syscall timing. - * - * History - * 07/2001 John George - * -Ported - * - * Restrictions - * NONE - */ - -#include <sys/types.h> -#include <sys/times.h> -#include <errno.h> -#include <sys/wait.h> -#include <test.h> -#include <usctest.h> - -char *TCID = "times01"; -int TST_TOTAL = 1; -extern int Tst_count; -int exp_enos[]={0}; - -void setup(void); -void cleanup(void); - -main(int argc, char **argv) -{ - const char *msg; /* message returned from parse_opts */ - - struct tms buf1, buf2; - time_t start_time, end_time; - int i, pid1, pid2, status, fail=0; - - /* parse standard options */ - if ((msg = parse_opts(argc, argv, (option_t *)NULL, NULL)) != - (char *)NULL) { - tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg); - /*NOTREACHED*/ - } - - setup(); - - - for (i = 0; i < 1000000; i++); - /* - * At least some CPU time must be used. This is - * achieved by executing the times(2) call for - * atleast 5 secs. This logic makes it independant - * of the processor speed. - */ - start_time = time(NULL); - for (;;) { - if (times(&buf1) == -1) { - TEST_ERROR_LOG(errno); - tst_resm(TFAIL, "Call to times(2) " - "failed, errno = %d", errno); - } - end_time = time(NULL); - if ((end_time - start_time) > 5) { - break; - } - } - if (times(&buf1) == -1) { - TEST_ERROR_LOG(errno); - tst_resm(TFAIL, "Call to times(2) failed, " - "errno = %d", errno); - } else { - /* - * Perform functional verification if test - * executed without (-f) option. - */ - if (STD_FUNCTIONAL_TEST) { - if (buf1.tms_utime == 0) { - tst_resm(TFAIL, "Error: times() report " - "0 user time"); - fail=1; - } - if (buf1.tms_stime == 0) { - tst_resm(TFAIL, "Error: times() report " - "0 system time"); - fail=1; - } - if (buf1.tms_cutime != 0) { - tst_resm(TFAIL, "Error: times() report " - "%d child user time", - buf1.tms_cutime); - fail=1; - } - if (buf1.tms_cstime != 0) { - tst_resm(TFAIL, "Error: times() report " "%d child system time", - buf1.tms_cstime); - fail=1; - } - - pid2 = fork(); - if (pid2 < 0) { - tst_brkm(TFAIL, cleanup, "Fork failed"); - /*NOTREACHED*/ - } else if (pid2 == 0) { - for (i = 0; i < 2000000; i++); - /* - * Atleast some CPU time must be used - * even in the child process (thereby - * making it independent of the - * processor speed). In fact the child - * uses twice as much CPU time. - */ - start_time = time(NULL); - for (;;) { - if (times(&buf2) == -1) { - tst_resm(TFAIL, - "Call to times " - "failed, " - "errno = %d", - errno); - exit(1); - } - end_time = time(NULL); - if ((end_time - start_time) - > 10) { - break; - } - } - exit(0); - } - waitpid(pid2, &status, 0); - if (WEXITSTATUS(status) != 0) { - tst_resm(TFAIL, "Call to times(2) " - "failed in child"); - } - if (times(&buf2) == -1) { - TEST_ERROR_LOG(TEST_ERRNO); - tst_resm(TFAIL, "Call to times failed " - "errno = %d", errno); - fail=1; - } - if (buf1.tms_utime > buf2.tms_utime) { - tst_resm(TFAIL, "Error: parents's " - "user time(%d) before child " - "> parent's user time (%d) " - "after child", - buf1.tms_utime, - buf2.tms_utime); - fail=1; - } - if (buf2.tms_cutime == 0) { - tst_resm(TFAIL, "Error: times() " - "report %d child user " - "time should be > than " - "zero", buf2.tms_cutime); - fail=1; - } - if (buf2.tms_cstime == 0) { - tst_resm(TFAIL, "Error: times() " - "report %d child system time " - "should be > than zero", - buf2.tms_cstime); - fail=1; - } - if (fail == 0) { - tst_resm(TPASS, "%s: Functionality " - "test passed", TCID); - } - - } else { - tst_resm(TPASS, "%s call succeeded", TCID); - } - } - cleanup(); - /*NOTREACHED*/ -} - -/* - * setup() - * performs all ONE TIME setup for this test - */ -void -setup(void) -{ - /* capture signals */ - tst_sig(FORK, DEF_HANDLER, cleanup); - - /* set the expected errnos... */ - TEST_EXP_ENOS(exp_enos); - - /* Pause if that option was specified - * TEST_PAUSE contains the code to fork the test with the -c option. - */ - TEST_PAUSE; -} - -/* - * cleanup() - * performs all ONE TIME cleanup for this test at - * completion or premature exit - */ -void -cleanup(void) -{ - /* - * print timing stats if that option was specified. - * print errno log if that option was specified. - */ - TEST_CLEANUP; - - /* exit with return code appropriate for results */ - tst_exit(); - /*NOTREACHED*/ -} |