函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\signal.c Create Date:2022-07-27 10:17:09
Last Modify:2020-03-17 13:28:47 Copyright©Brick
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函数名称：__copy_siginfo_from_user

函数原型：static int __copy_siginfo_from_user(int signo, kernel_siginfo_t *to, const siginfo_t __user *from)

返回类型：int

参数：

类型参数名称
intsigno
kernel_siginfo_t *to
const siginfo_t __user *from
3219  如果copy_from_user(to, from, sizeof(structkernel_siginfo))则返回:负EFAULT
3221  si_signo等于signo
3222  返回:post_copy_siginfo_from_user(to, from)
调用者
名称描述
SYSCALL_DEFINE3sys_rt_sigqueueinfo - send signal information to a signal*@pid: the PID of the thread*@sig: signal to be sent*@uinfo: signal info to be sent
SYSCALL_DEFINE4