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/*
* This file is part of clock_xettime* strace tests.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2015-2020 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include "kernel_timespec.h"
static const char *errstr;
static long
k_syscall(const unsigned int scno, const unsigned int id, void *const ts)
{
static const kernel_ulong_t bad =
(kernel_ulong_t) 0xbadc0dedbadc0dedULL;
static const kernel_ulong_t fill =
(kernel_ulong_t) 0xdefaced00000000ULL;
const kernel_ulong_t arg1 = id | fill;
const kernel_ulong_t arg2 = f8ill_ptr_to_kulong(ts);
const long rc = syscall(scno, arg1, arg2, bad, bad, bad, bad);
errstr = sprintrc(rc);
return rc;
}
static long
k_getres(const unsigned int id, void *const ts)
{
return k_syscall(SYSCALL_NR_getres, id, ts);
}
static long
k_gettime(const unsigned int id, void *const ts)
{
return k_syscall(SYSCALL_NR_gettime, id, ts);
}
static long
k_settime(const unsigned int id, void *const ts)
{
return k_syscall(SYSCALL_NR_settime, id, ts);
}
int
main(void)
{
TAIL_ALLOC_OBJECT_CONST_PTR(clock_timespec_t, ts);
void *const efault = (void *) (1 + (char *) ts);
k_getres(CLOCK_MONOTONIC, NULL);
printf("%s(CLOCK_MONOTONIC, NULL) = %s\n", SYSCALL_NAME_getres, errstr);
k_getres(CLOCK_REALTIME, efault);
printf("%s(CLOCK_REALTIME, %p) = %s\n",
SYSCALL_NAME_getres, efault, errstr);
k_gettime(CLOCK_MONOTONIC, NULL);
printf("%s(CLOCK_MONOTONIC, NULL) = %s\n", SYSCALL_NAME_gettime, errstr);
k_gettime(CLOCK_REALTIME, efault);
printf("%s(CLOCK_REALTIME, %p) = %s\n",
SYSCALL_NAME_gettime, efault, errstr);
k_settime(CLOCK_MONOTONIC, NULL);
printf("%s(CLOCK_MONOTONIC, NULL) = %s\n", SYSCALL_NAME_settime, errstr);
k_settime(CLOCK_REALTIME, efault);
printf("%s(CLOCK_REALTIME, %p) = %s\n",
SYSCALL_NAME_settime, efault, errstr);
if (k_getres(CLOCK_MONOTONIC, ts))
perror_msg_and_skip("clock_getres CLOCK_MONOTONIC");
printf("%s(CLOCK_MONOTONIC, {tv_sec=%lld, tv_nsec=%llu}) = 0\n",
SYSCALL_NAME_getres, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec));
if (k_gettime(CLOCK_PROCESS_CPUTIME_ID, ts))
perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID");
printf("%s(CLOCK_PROCESS_CPUTIME_ID, {tv_sec=%lld, tv_nsec=%llu})"
" = 0\n",
SYSCALL_NAME_gettime, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec));
ts->tv_sec = 0xdeface1;
ts->tv_nsec = 0xdeface2;
k_settime(CLOCK_THREAD_CPUTIME_ID, ts);
printf("%s(CLOCK_THREAD_CPUTIME_ID, {tv_sec=%lld, tv_nsec=%llu})"
" = %s\n",
SYSCALL_NAME_settime, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), errstr);
ts->tv_sec = 0xdeadbeefU;
ts->tv_nsec = 0xfacefeedU;
k_settime(CLOCK_THREAD_CPUTIME_ID, ts);
printf("%s(CLOCK_THREAD_CPUTIME_ID, {tv_sec=%lld, tv_nsec=%llu})"
" = %s\n",
SYSCALL_NAME_settime, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), errstr);
ts->tv_sec = (typeof(ts->tv_sec)) 0xcafef00ddeadbeefLL;
ts->tv_nsec = (typeof(ts->tv_nsec)) 0xbadc0dedfacefeedLL;
k_settime(CLOCK_THREAD_CPUTIME_ID, ts);
printf("%s(CLOCK_THREAD_CPUTIME_ID, {tv_sec=%lld, tv_nsec=%llu})"
" = %s\n",
SYSCALL_NAME_settime, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), errstr);
puts("+++ exited with 0 +++");
return 0;
}
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