/* * Copyright (c) 2015-2016 Dmitry V. Levin * Copyright (c) 2015-2018 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include #include #include #include #include #if defined __NR_clock_getres \ && defined __NR_clock_gettime \ && defined __NR_clock_settime int main(void) { struct { struct timespec ts; uint32_t pad[2]; } t = { .pad = { 0xdeadbeef, 0xbadc0ded } }; long rc; if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts)) perror_msg_and_skip("clock_getres CLOCK_REALTIME"); printf("clock_getres(CLOCK_REALTIME, {tv_sec=%lld, tv_nsec=%llu})" " = 0\n", (long long) t.ts.tv_sec, zero_extend_signed_to_ull(t.ts.tv_nsec)); if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts)) perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID"); printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID" ", {tv_sec=%lld, tv_nsec=%llu}) = 0\n", (long long) t.ts.tv_sec, zero_extend_signed_to_ull(t.ts.tv_nsec)); t.ts.tv_sec = 0xdeface1; t.ts.tv_nsec = 0xdeface2; rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts); printf("clock_settime(CLOCK_THREAD_CPUTIME_ID" ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n", (long long) t.ts.tv_sec, zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc)); t.ts.tv_sec = 0xdeadbeefU; t.ts.tv_nsec = 0xfacefeedU; rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts); printf("clock_settime(CLOCK_THREAD_CPUTIME_ID" ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n", (long long) t.ts.tv_sec, zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc)); t.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL; t.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL; rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts); printf("clock_settime(CLOCK_THREAD_CPUTIME_ID" ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n", (long long) t.ts.tv_sec, zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc)); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_clock_getres && __NR_clock_gettime && __NR_clock_settime") #endif