Home | History | Annotate | Download | only in nanosleep
      1 /*
      2  * Copyright (c) International Business Machines  Corp., 2001
      3  *  07/2001 Ported by Wayne Boyer
      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 Foundation,
     17  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     18  */
     19 
     20 /*
     21  * Test Description:
     22  *  Verify that nanosleep() will fail to suspend the execution
     23  *  of a process if the specified pause time is invalid.
     24  *
     25  * Expected Result:
     26  *  nanosleep() should return with -1 value and sets errno to EINVAL.
     27  */
     28 
     29 #include <errno.h>
     30 #include <unistd.h>
     31 #include <fcntl.h>
     32 #include <wait.h>
     33 #include <time.h>
     34 
     35 #include "test.h"
     36 
     37 static struct timespec tcases[] = {
     38 	{.tv_sec = -5, .tv_nsec = 9999},
     39 	{.tv_sec = 0, .tv_nsec = 1000000000},
     40 };
     41 
     42 char *TCID = "nanosleep04";
     43 int TST_TOTAL = ARRAY_SIZE(tcases);
     44 
     45 static void setup(void);
     46 
     47 static void verify_nanosleep(struct timespec *tcase)
     48 {
     49 	TEST(nanosleep(tcase, NULL));
     50 
     51 	if (TEST_RETURN != -1) {
     52 		tst_resm(TFAIL, "nanosleep() succeded unexpectedly");
     53 		return;
     54 	}
     55 
     56 	if (TEST_ERRNO != EINVAL) {
     57 		tst_resm(TFAIL | TTERRNO,
     58 		         "nanosleep() expected failure with EINVAL");
     59 		return;
     60 	}
     61 
     62 	tst_resm(TPASS, "nanoslep() failed with EINVAL");
     63 }
     64 
     65 int main(int ac, char **av)
     66 {
     67 	int lc, i;
     68 
     69 	tst_parse_opts(ac, av, NULL, NULL);
     70 
     71 	setup();
     72 
     73 	for (lc = 0; TEST_LOOPING(lc); lc++) {
     74 		for (i = 0; i < TST_TOTAL; i++)
     75 			verify_nanosleep(&tcases[i]);
     76 	}
     77 
     78 	tst_exit();
     79 }
     80 
     81 static void setup(void)
     82 {
     83 	tst_sig(FORK, DEF_HANDLER, NULL);
     84 
     85 	TEST_PAUSE;
     86 }
     87