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 10:37:05
Last Modify:2020-03-18 10:25:38 Copyright©Brick
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函数名称：Ooo, nasty. We need here to frob 32-bit unsigned longs to* 64-bit unsigned longs.

函数原型：static int compat_get_fd_set(unsigned long nr, compat_ulong_t __user *ufdset, unsigned long *fdset)

返回类型：int

参数：

类型参数名称
unsigned longnr
compat_ulong_t __user *ufdset
unsigned long *fdset
1143  如果ufdset则
1144  返回:compat_get_bitmap(fdset, ufdset, nr)
1145  否则
1146  zero_fd_set(nr, fdset)
1147  返回:0
调用者
名称描述
compat_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