130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
/*
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* Check decoding of clock_nanosleep and clock_gettime syscalls.
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*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <signal.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <asm/unistd.h>
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static void
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handler(int signo)
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{
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}
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int
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main(void)
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{
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struct {
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struct timespec ts;
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uint32_t pad[2];
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} req = {
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.ts.tv_nsec = 0xc0de1,
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.pad = { 0xdeadbeef, 0xbadc0ded }
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}, rem = {
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.ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
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.pad = { 0xdeadbeef, 0xbadc0ded }
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};
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const sigset_t set = {};
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const struct sigaction act = { .sa_handler = handler };
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const struct itimerval itv = {
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.it_interval.tv_usec = 222222,
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.it_value.tv_usec = 111111
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};
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if (syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0, &req.ts, NULL))
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perror_msg_and_skip("clock_nanosleep CLOCK_REALTIME");
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printf("clock_nanosleep(CLOCK_REALTIME, 0"
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", {tv_sec=%lld, tv_nsec=%llu}, NULL) = 0\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec));
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assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
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NULL, &rem.ts) == -1);
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printf("clock_nanosleep(CLOCK_REALTIME, 0, NULL, %p)"
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" = -1 EFAULT (%m)\n", &rem.ts);
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assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
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&req.ts, &rem.ts) == 0);
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printf("clock_nanosleep(CLOCK_REALTIME, 0"
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", {tv_sec=%lld, tv_nsec=%llu}, %p) = 0\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
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req.ts.tv_nsec = 999999999 + 1;
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assert(syscall(__NR_clock_nanosleep, CLOCK_MONOTONIC, 0,
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&req.ts, &rem.ts) == -1);
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printf("clock_nanosleep(CLOCK_MONOTONIC, 0"
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", {tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
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req.ts.tv_sec = 0xdeadbeefU;
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req.ts.tv_nsec = 0xfacefeedU;
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assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
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&req.ts, &rem.ts) == -1);
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printf("clock_nanosleep(CLOCK_REALTIME, 0"
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", {tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
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req.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
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req.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL;
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assert(syscall(__NR_clock_nanosleep, CLOCK_MONOTONIC, 0,
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&req.ts, &rem.ts) == -1);
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printf("clock_nanosleep(CLOCK_MONOTONIC, 0"
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", {tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
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assert(sigaction(SIGALRM, &act, NULL) == 0);
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assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
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if (setitimer(ITIMER_REAL, &itv, NULL))
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perror_msg_and_skip("setitimer");
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req.ts.tv_sec = 0;
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req.ts.tv_nsec = 999999999;
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assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
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&req.ts, &rem.ts) == -1);
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printf("clock_nanosleep(CLOCK_REALTIME, 0"
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", {tv_sec=%lld, tv_nsec=%llu}, {tv_sec=%lld, tv_nsec=%llu})"
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" = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec),
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(long long) rem.ts.tv_sec,
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zero_extend_signed_to_ull(rem.ts.tv_nsec));
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puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
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assert(syscall(__NR_clock_gettime, CLOCK_REALTIME, &req.ts) == 0);
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printf("clock_gettime(CLOCK_REALTIME, {tv_sec=%lld, tv_nsec=%llu}) = 0\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec));
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++req.ts.tv_sec;
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rem.ts.tv_sec = 0xc0de4;
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rem.ts.tv_nsec = 0xc0de5;
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assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, TIMER_ABSTIME,
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&req.ts, &rem.ts) == -1);
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printf("clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME"
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", {tv_sec=%lld, tv_nsec=%llu}, %p)"
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" = ? ERESTARTNOHAND (To be restarted if no handler)\n",
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(long long) req.ts.tv_sec,
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zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
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puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
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puts("+++ exited with 0 +++");
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return 0;
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}
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