函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\net\sock.h Create Date:2022-07-27 07:06:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：内存屏障poll_wait呼叫

函数原型：static inline void sock_poll_wait(struct file *filp, struct socket *sock, poll_table *p)

返回类型：void

参数：

类型参数名称
struct file *filp
struct socket *sock
poll_table *p
2111  如果非Return true if it is guaranteed that poll will not wait. This is the case* if the poll() of another file descriptor in the set got an event, so there* is no need for waiting.则
2112  poll_wait(filp, & Note: wait MUST be first field of socket_wq , p)
2118  smp_mb()