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/*
* Check decoding of nanosleep syscall.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2015-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_nanosleep
# include <assert.h>
# include <stdio.h>
# include <stdint.h>
# include <signal.h>
# include <sys/time.h>
# include <unistd.h>
# include "kernel_old_timespec.h"
static const char *errstr;
static long
k_nanosleep(const void *const req, void *const rem)
{
const kernel_ulong_t bad = (kernel_ulong_t) 0xbadc0dedbadc0dedULL;
const kernel_ulong_t arg1 = (uintptr_t) req;
const kernel_ulong_t arg2 = (uintptr_t) rem;
const long rc = syscall(__NR_nanosleep, arg1, arg2, bad, bad, bad, bad);
errstr = sprintrc(rc);
return rc;
}
static void
handler(int signo)
{
}
int
main(void)
{
struct {
kernel_old_timespec_t ts;
uint32_t pad[2];
} req = {
.ts.tv_nsec = 0xc0de1,
.pad = { 0xdeadbeef, 0xbadc0ded }
}, rem = {
.ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
.pad = { 0xdeadbeef, 0xbadc0ded }
};
const sigset_t set = {};
const struct sigaction act = { .sa_handler = handler };
const struct itimerval itv = { .it_value.tv_usec = 111111 };
if (k_nanosleep(&req.ts, NULL))
perror_msg_and_fail("nanosleep");
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, NULL) = 0\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec));
assert(k_nanosleep(NULL, &rem.ts) == -1);
printf("nanosleep(NULL, %p) = %s\n", &rem.ts, errstr);
if (k_nanosleep(&req.ts, &rem.ts))
perror_msg_and_fail("nanosleep");
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = 0\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
req.ts.tv_nsec = 1000000000;
assert(k_nanosleep(&req.ts, &rem.ts) == -1);
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = %s\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts,
errstr);
req.ts.tv_sec = 0xdeadbeefU;
req.ts.tv_nsec = 0xfacefeedU;
assert(k_nanosleep(&req.ts, &rem.ts) == -1);
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = %s\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts,
errstr);
req.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
req.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL;
assert(k_nanosleep(&req.ts, &rem.ts) == -1);
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = %s\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts,
errstr);
req.ts.tv_sec = -1;
req.ts.tv_nsec = -1;
assert(k_nanosleep(&req.ts, &rem.ts) == -1);
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = %s\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts,
errstr);
assert(sigaction(SIGALRM, &act, NULL) == 0);
assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
if (setitimer(ITIMER_REAL, &itv, NULL))
perror_msg_and_skip("setitimer");
req.ts.tv_sec = 0;
req.ts.tv_nsec = 999999999;
assert(k_nanosleep(&req.ts, &rem.ts) == -1);
printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}"
", {tv_sec=%lld, tv_nsec=%llu})"
" = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec),
(long long) rem.ts.tv_sec,
zero_extend_signed_to_ull(rem.ts.tv_nsec));
puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_nanosleep")
#endif
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