1 /* Test for clock_settime 2 Copyright (C) 2021-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library 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 the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <time.h> 20 #include <support/check.h> 21 #include <support/xtime.h> 22 23 #define TIMESPEC_SEC_Y2038_OV 0x7FFFFFFF 24 #define FUTURE_TIME (TIMESPEC_SEC_Y2038_OV - 10) 25 26 static int do_test(void)27do_test (void) 28 { 29 const struct timespec tv = { FUTURE_TIME, 0}; 30 struct timespec tv_future, tv_now; 31 32 tv_now = xclock_now(CLOCK_REALTIME); 33 xclock_settime(CLOCK_REALTIME, &tv); 34 tv_future = xclock_now(CLOCK_REALTIME); 35 36 /* Restore old time value on target machine. */ 37 xclock_settime(CLOCK_REALTIME, (const struct timespec*) &tv_now); 38 39 if (tv_future.tv_sec < tv.tv_sec) 40 FAIL_EXIT1 ("clock_settime set wrong time!\n"); 41 42 return 0; 43 } 44 45 #include <support/test-driver.c> 46