1 /* 2 * Copyright (c) International Business Machines Corp., 2001 3 * 07/2001 Ported by Wayne Boyer 4 * Copyright (C) 2015 Cyril Hrubis <chrubis (at) suse.cz> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 14 * the GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 /* 22 * Test Name: nanosleep01 23 * 24 * Test Description: 25 * nanosleep() should return with value 0 and the process should be 26 * suspended for time specified by timespec structure. 27 */ 28 29 #include <errno.h> 30 #include "test.h" 31 32 char *TCID = "nanosleep01"; 33 int TST_TOTAL = 1; 34 35 static void setup(void); 36 37 int main(int ac, char **av) 38 { 39 int lc; 40 struct timespec timereq = {.tv_sec = 2, .tv_nsec = 9999}; 41 42 tst_parse_opts(ac, av, NULL, NULL); 43 44 setup(); 45 46 for (lc = 0; TEST_LOOPING(lc); lc++) { 47 tst_timer_start(CLOCK_MONOTONIC); 48 TEST(nanosleep(&timereq, NULL)); 49 tst_timer_stop(); 50 51 if (TEST_RETURN == -1) { 52 tst_resm(TFAIL | TERRNO, "nanosleep() failed"); 53 continue; 54 } 55 56 if (tst_timespec_lt(tst_timer_elapsed(), timereq)) { 57 tst_resm(TFAIL, 58 "nanosleep() suspended for %lli us, expected %lli", 59 tst_timer_elapsed_us(), tst_timespec_to_us(timereq)); 60 } else { 61 tst_resm(TPASS, "nanosleep() suspended for %lli us", 62 tst_timer_elapsed_us()); 63 } 64 } 65 66 tst_exit(); 67 } 68 69 static void setup(void) 70 { 71 tst_sig(FORK, DEF_HANDLER, NULL); 72 tst_timer_check(CLOCK_MONOTONIC); 73 TEST_PAUSE; 74 } 75