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 10:17:27
Last Modify:2020-03-17 13:28:47 Copyright©Brick
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函数名称：pidfd_to_pid

函数原型：static struct pid *pidfd_to_pid(const struct file *file)

返回类型：struct pid

参数：

类型参数名称
const struct file *file
3683  pid等于pidfd_pid(file)
3684  如果非是错误则返回:pid
3687  返回:tgid_pidfd_to_pid(file)
调用者
名称描述
SYSCALL_DEFINE4sys_pidfd_send_signal - Signal a process through a pidfd*@pidfd: file descriptor of the process*@sig: signal to send*@info: signal info*@flags: future flags* The syscall currently only signals via PIDTYPE_PID which covers* kill(,