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66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2023 Jake Freeland <jfree@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS_TIMERFD_H_
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#define _SYS_TIMERFD_H_
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#include <sys/types.h>
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#include <sys/fcntl.h>
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/*
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* We only need <sys/timespec.h>, but glibc pollutes the namespace
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* with <time.h>. This pollution is expected by most programs, so
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* reproduce it by including <sys/time.h> here.
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*/
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#include <sys/time.h>
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typedef uint64_t timerfd_t;
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/* Creation flags. */
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#define TFD_NONBLOCK O_NONBLOCK
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#define TFD_CLOEXEC O_CLOEXEC
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/* Timer flags. */
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#define TFD_TIMER_ABSTIME 0x01
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#define TFD_TIMER_CANCEL_ON_SET 0x02
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#ifndef _KERNEL
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__BEGIN_DECLS
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int timerfd_create(int clockid, int flags);
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int timerfd_gettime(int fd, struct itimerspec *curr_value);
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int timerfd_settime(int fd, int flags, const struct itimerspec *new_value,
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struct itimerspec *old_value);
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__END_DECLS
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#else /* _KERNEL */
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void timerfd_jumped(void);
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#endif /* !_KERNEL */
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#endif /* !_SYS_TIMERFD_H_ */
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