函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-27 14:55:50
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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函数名称:perf_fasync

函数原型:static int perf_fasync(int fd, struct file *filp, int on)

返回类型:int

参数:

类型参数名称
intfd
struct file *filp
inton
6006  inode等于file_inode(filp)
6007  event等于 needed for tty driver, and maybe others
6010  inode_lock(inode)
6011  retval等于SMP safe fasync helpers:
6012  inode_unlock(inode)
6014  如果retval小于0则返回:retval
6017  返回:0