strace/tests/xettimeofday.c
Dmitry V. Levin c1154d21a6 Update copyright headers
Headers updated automatically using maint/update_copyright_years.sh
script.
2018-08-12 22:22:32 +00:00

87 lines
3.4 KiB
C

/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/time.h>
#include <asm/unistd.h>
int
main(void)
{
TAIL_ALLOC_OBJECT_CONST_PTR(struct timeval, tv);
TAIL_ALLOC_OBJECT_CONST_PTR(struct timezone, tz);
if (syscall(__NR_gettimeofday, tv, NULL))
perror_msg_and_skip("gettimeofday");
printf("gettimeofday({tv_sec=%lld, tv_usec=%llu}, NULL) = 0\n",
(long long) tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec));
if (syscall(__NR_gettimeofday, tv, tz))
perror_msg_and_skip("gettimeofday");
printf("gettimeofday({tv_sec=%lld, tv_usec=%llu}"
", {tz_minuteswest=%d, tz_dsttime=%d}) = 0\n",
(long long) tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec),
tz->tz_minuteswest, tz->tz_dsttime);
tv->tv_sec = -1;
tv->tv_usec = 1000000;
assert(syscall(__NR_settimeofday, tv, tz) == -1);
printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
(long long) tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec),
tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
tv->tv_sec = 0xdeadbeefU;
tv->tv_usec = 0xfacefeedU;
assert(syscall(__NR_settimeofday, tv, tz) == -1);
printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
(long long) tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec),
tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
tv->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
tv->tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
assert(syscall(__NR_settimeofday, tv, tz) == -1);
printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
(long long) tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec),
tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
puts("+++ exited with 0 +++");
return 0;
}