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 10:15:17
Last Modify:2020-03-17 13:28:47 Copyright©Brick
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函数名称：Flush all handlers for a task.

函数原型：void flush_signal_handlers(struct task_struct *t, int force_default)

返回类型：void

参数：

类型参数名称
struct task_struct *t
intforce_default
536  ka等于action[0]
537  以i不等于0循环
538  如果force_default或sa_handler不等于gnore signal 则sa_handler等于default signal handling
540  sa_flags等于0
542  sa_restorer = NULL
544  sigemptyset( & mask last for extensibility )
545  ka自加
调用者
名称描述
call_usermodehelper_exec_asyncThis is the task which runs the usermode application
copy_sighand复制信号句柄
selinux_bprm_committed_credsClean up the process immediately after the installation of new credentials* due to exec
setup_new_exec