函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\select.c Create Date:2022-07-29 10:37:00
Last Modify:2020-03-18 10:25:38 Copyright©Brick
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函数名称：set_fd_set

函数原型：static inline unsigned long __must_check set_fd_set(unsigned long nr, void __user *ufdset, unsigned long *fdset)

返回类型：unsigned long

参数：

类型参数名称
unsigned longnr
void __user *ufdset
unsigned long *fdset
402  如果ufdset则返回:__copy_to_user(ufdset, fdset, FDS_BYTES(nr))
404  返回:0
调用者
名称描述
core_sys_selectWe can actually return ERESTARTSYS instead of EINTR, but I'd* like to be certain this leads to no problems. So I return* EINTR just for safety.* Update: ERESTARTSYS breaks at least the xview clock binary, so