Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\timerfd.c Create Date:2022-07-28 20:19:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:timerfd_poll

Proto:static __poll_t timerfd_poll(struct file *file, poll_table *wait)

Type:__poll_t

Parameter:

TypeParameterName
struct file *file
poll_table *wait
232  ctx = needed for tty driver, and maybe others
233  events = 0
236  poll_wait(file, & wqh, wait)
238  spin_lock_irqsave( & lock, flags)
239  If ticks Then events |= Epoll event masks
241  spin_unlock_irqrestore( & lock, flags)
243  Return events