Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\poll.h Create Date:2022-07-28 05:56:11
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:vfs_poll

Proto:static inline __poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)

Type:__poll_t

Parameter:

TypeParameterName
struct file *file
struct poll_table_struct *pt
88  If Value for the false possibility is greater at compile time(!poll) Then Return DEFAULT_POLLMASK
90  Return poll(file, pt)
Caller
NameDescribe
memcg_write_event_controlDO NOT USE IN NEW FILES.* Parse input and register new cgroup event handler.* Input must be in format ' '.* Interpretation of args is defined by control file implementation.
do_select
do_pollfdFish for pollable events on the pollfd->fd file descriptor
ep_item_pollDiffers from ep_eventpoll_poll() in that internal callers already have* the ep->mtx so we need to start from depth=1, such that mutex_lock_nested()* is correctly annotated.
aio_poll_complete_work
aio_poll
io_poll_complete_work
io_poll_add