githubmirror/strace

tests/timer_xettime.c
103 строки3 KB
Dmitry V. Levin
tests: assume __NR_timer_create is defined
02 июн 2021, 12:33
02 июн 2021, 12:33d19ed9a
/*
 * This file is part of timer_xettime strace test.
 *
 * 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"

#if defined __NR_timer_gettime \
 && defined __NR_timer_settime

# include <stdio.h>
# include <stdint.h>
# include <signal.h>
# include <time.h>
# include <unistd.h>

int
main(void)
{
	syscall(__NR_timer_settime, 0xdefaced, TIMER_ABSTIME, NULL, NULL);
	printf("timer_settime(%d, TIMER_ABSTIME, NULL, NULL)"
	       " = -1 EINVAL (%m)\n", 0xdefaced);

	long rc;
	int tid;
	struct sigevent sev = { .sigev_notify = SIGEV_NONE };

	if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid))
		perror_msg_and_skip("timer_create");
	printf("timer_create(CLOCK_MONOTONIC, {sigev_signo=0"
	       ", sigev_notify=SIGEV_NONE}, [%d]) = 0\n", tid);

	TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerspec, its_new);
	TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerspec, its_old);

	its_new->it_interval.tv_sec = 0xdeadbeefU;
	its_new->it_interval.tv_nsec = 0xfacefeedU;
	its_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
	its_new->it_value.tv_nsec = (long) 0xbadc0dedfacefeedLL;

	rc = syscall(__NR_timer_settime, tid, 0, its_new, its_old);
	printf("timer_settime(%d, 0"
	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}, %p) = %s\n",
	       tid, (long long) its_new->it_interval.tv_sec,
	       zero_extend_signed_to_ull(its_new->it_interval.tv_nsec),
	       (long long) its_new->it_value.tv_sec,
	       zero_extend_signed_to_ull(its_new->it_value.tv_nsec),
	       its_old, sprintrc(rc));

	its_new->it_interval.tv_sec = 0xdeface1;
	its_new->it_interval.tv_nsec = 0xdeface2;
	its_new->it_value.tv_sec = 0xdeface3;
	its_new->it_value.tv_nsec = 0xdeface4;
	its_old->it_interval.tv_sec = 0xdeface5;
	its_old->it_interval.tv_nsec = 0xdeface6;
	its_old->it_value.tv_sec = 0xdeface7;
	its_old->it_value.tv_nsec = 0xdeface8;

	if (syscall(__NR_timer_settime, tid, 0, its_new, its_old))
		perror_msg_and_skip("timer_settime");
	printf("timer_settime(%d, 0"
	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}"
	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}"
	       ") = 0\n",
	       tid,
	       (long long) its_new->it_interval.tv_sec,
	       zero_extend_signed_to_ull(its_new->it_interval.tv_nsec),
	       (long long) its_new->it_value.tv_sec,
	       zero_extend_signed_to_ull(its_new->it_value.tv_nsec),
	       (long long) its_old->it_interval.tv_sec,
	       zero_extend_signed_to_ull(its_old->it_interval.tv_nsec),
	       (long long) its_old->it_value.tv_sec,
	       zero_extend_signed_to_ull(its_old->it_value.tv_nsec));

	if (syscall(__NR_timer_gettime, tid, its_old))
		perror_msg_and_skip("timer_gettime");
	printf("timer_gettime(%d"
	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}) = 0\n",
	       tid,
	       (long long) its_old->it_interval.tv_sec,
	       zero_extend_signed_to_ull(its_old->it_interval.tv_nsec),
	       (long long) its_old->it_value.tv_sec,
	       zero_extend_signed_to_ull(its_old->it_value.tv_nsec));

	puts("+++ exited with 0 +++");
	return 0;
}

#else

SKIP_MAIN_UNDEFINED("__NR_timer_gettime && __NR_timer_settime")

#endif