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      1 /******************************************************************************
      2  * Copyright (c) M. Koehrer <mathias_koehrer (at) arcor.de>, 2009                  *
      3  * Copyright (C) 2017 Cyril Hrubis <chrubis (at) suse.cz>                          *
      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  * This tests the clock_nanosleep2() syscall.
     22  */
     23 #include <stdio.h>
     24 #include <time.h>
     25 #include <unistd.h>
     26 #include <sys/syscall.h>
     27 
     28 #include "tst_test.h"
     29 #include "lapi/syscalls.h"
     30 
     31 #define NSEC_IN_SEC 1000000000
     32 
     33 const clockid_t CLOCK_TO_USE = CLOCK_MONOTONIC;
     34 static int clock_nanosleep2(clockid_t clock_id, int flags,
     35 			    const struct timespec *req, struct timespec *rem)
     36 {
     37 	return tst_syscall(__NR_clock_nanosleep, clock_id, flags, req, rem);
     38 }
     39 
     40 static void verify_clock_nanosleep2(void)
     41 {
     42 	struct timespec ts;
     43 
     44 	clock_gettime(CLOCK_TO_USE, &ts);
     45 	ts.tv_nsec += NSEC_IN_SEC/10;
     46 	if (ts.tv_nsec >= NSEC_IN_SEC) {
     47 		ts.tv_sec += 1;
     48 		ts.tv_nsec %= NSEC_IN_SEC;
     49 	}
     50 
     51 	TEST(clock_nanosleep2(CLOCK_TO_USE, TIMER_ABSTIME, &ts, NULL));
     52 
     53 	if (TEST_RETURN)
     54 		tst_res(TFAIL | TTERRNO, "clock_nanosleep2() failed");
     55 	else
     56 		tst_res(TPASS, "clock_nanosleep2() passed");
     57 }
     58 
     59 static struct tst_test test = {
     60 	.test_all = verify_clock_nanosleep2,
     61 };
     62