Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\eventpoll.c Create Date:2022-07-28 20:19:06
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:ep_has_wakeup_source

Proto:static inline bool ep_has_wakeup_source(struct epitem *epi)

Type:bool

Parameter:

TypeParameterName
struct epitem *epi
635  Return cu_access_pointer() - fetch RCU pointer with no dereferencing*@p: The pointer to read* Return the value of the specified RCU-protected pointer, but omit the* lockdep checks for being in an RCU read-side critical section(wakeup_source used when EPOLLWAKEUP is set ) ? true : false
Caller
NameDescribe
ep_modifyModify the interest event mask by dropping an event if the new mask* has a match in the current file status. Must be called with "mtx" held.