函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\relay.c Create Date:2022-07-27 12:51:36
Last Modify:2020-03-17 19:20:22 Copyright©Brick
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函数名称：lay_buf_empty - boolean, is the channel buffer empty?*@buf: channel buffer* Returns 1 if the buffer is empty, 0 otherwise.

函数原型：static int relay_buf_empty(struct rchan_buf *buf)

返回类型：int

参数：

类型参数名称
struct rchan_buf *buf
246  返回:如果count of sub-buffers produced 减count of sub-buffers consumed 则0否则1
调用者
名称描述
relay_file_polllay_file_poll - poll file op for relay files*@filp: the file*@wait: poll table* Poll implemention.