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