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38 lines
936 B
C
38 lines
936 B
C
4 years ago
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* include/linux/timerfd.h
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*
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* Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org>
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*
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*/
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#ifndef _LINUX_TIMERFD_H
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#define _LINUX_TIMERFD_H
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#include <linux/types.h>
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/* For O_CLOEXEC and O_NONBLOCK */
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#include <linux/fcntl.h>
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/* For _IO helpers */
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#include <linux/ioctl.h>
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/*
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* CAREFUL: Check include/asm-generic/fcntl.h when defining
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* new flags, since they might collide with O_* ones. We want
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* to re-use O_* flags that couldn't possibly have a meaning
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* from eventfd, in order to leave a free define-space for
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* shared O_* flags.
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*
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* Also make sure to update the masks in include/linux/timerfd.h
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* when adding new flags.
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*/
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#define TFD_TIMER_ABSTIME (1 << 0)
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#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
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#define TFD_CLOEXEC O_CLOEXEC
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#define TFD_NONBLOCK O_NONBLOCK
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#define TFD_IOC_SET_TICKS _IOW('T', 0, __u64)
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#endif /* _LINUX_TIMERFD_H */
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