Current File : //backups/router/usr/lib/include/sys/timerfd.h
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 Jake Freeland <jfree@FreeBSD.org>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#ifndef _SYS_TIMERFD_H_
#define _SYS_TIMERFD_H_
#include <sys/types.h>
#include <sys/fcntl.h>
/*
* We only need <sys/timespec.h>, but glibc pollutes the namespace
* with <time.h>. This pollution is expected by most programs, so
* reproduce it by including <sys/time.h> here.
*/
#include <sys/time.h>
typedef uint64_t timerfd_t;
/* Creation flags. */
#define TFD_NONBLOCK O_NONBLOCK
#define TFD_CLOEXEC O_CLOEXEC
/* Timer flags. */
#define TFD_TIMER_ABSTIME 0x01
#define TFD_TIMER_CANCEL_ON_SET 0x02
#ifndef _KERNEL
__BEGIN_DECLS
int timerfd_create(int clockid, int flags);
int timerfd_gettime(int fd, struct itimerspec *curr_value);
int timerfd_settime(int fd, int flags, const struct itimerspec *new_value,
struct itimerspec *old_value);
__END_DECLS
#else /* _KERNEL */
void timerfd_jumped(void);
#endif /* !_KERNEL */
#endif /* !_SYS_TIMERFD_H_ */
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