/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdint.h>
#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/syscall.h>
#if defined __NR_timerfd_create \
&& defined __NR_timerfd_gettime \
&& defined __NR_timerfd_settime \
&& defined O_CLOEXEC
int
main(void)
{
(void) close(0);
if (syscall(__NR_timerfd_create, CLOCK_MONOTONIC, O_CLOEXEC | O_NONBLOCK))
return 77;
puts("timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC|TFD_NONBLOCK) = 0");
struct {
struct itimerspec its;
uint32_t pad[4];
} old = {
.pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
}, new = {
.its = {
.it_interval = { 0xdeface1, 0xdeface2 },
.it_value = { 0xdeface3, 0xdeface4 }
},
.pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
};
if (syscall(__NR_timerfd_settime, 0, 0, &new.its, &old.its))
return 77;
printf("timerfd_settime(0, 0"
", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
") = 0\n",
(intmax_t) new.its.it_interval.tv_sec,
(intmax_t) new.its.it_interval.tv_nsec,
(intmax_t) new.its.it_value.tv_sec,
(intmax_t) new.its.it_value.tv_nsec,
(intmax_t) old.its.it_interval.tv_sec,
(intmax_t) old.its.it_interval.tv_nsec,
(intmax_t) old.its.it_value.tv_sec,
(intmax_t) old.its.it_value.tv_nsec);
if (syscall(__NR_timerfd_gettime, 0, &old.its))
return 77;
printf("timerfd_gettime(0"
", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
") = 0\n",
(intmax_t) old.its.it_interval.tv_sec,
(intmax_t) old.its.it_interval.tv_nsec,
(intmax_t) old.its.it_value.tv_sec,
(intmax_t) old.its.it_value.tv_nsec);
puts("+++ exited with 0 +++");
return 0;
}
#else
int
main(void)
{
return 77;
}
#endif