函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\eventpoll.c Create Date:2022-07-29 10:50:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ep_has_wakeup_source

函数原型：static inline bool ep_has_wakeup_source(struct epitem *epi)

返回类型：bool

参数：

类型参数名称
struct epitem *epi
635  返回: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
调用者
名称描述
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.