函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\ptrace.c Create Date:2022-07-27 10:13:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__ptrace_link

函数原型：void __ptrace_link(struct task_struct *child, struct task_struct *new_parent, const struct cred *ptracer_cred)

返回类型：void

参数：

类型参数名称
struct task_struct *child
struct task_struct *new_parent
const struct cred *ptracer_cred
70  BUG_ON(!链表为空)
71  添加链表项
72  Recipient of SIGCHLD, wait4() reports: 等于new_parent
73  Tracer's credentials at attach: 等于get_cred - Get a reference on a set of credentials*@cred: The credentials to reference* Get a reference on the specified set of credentials. The caller must* release the reference. If %NULL is passed, it is returned with no action.
调用者
名称描述
ptrace_linkptrace a task: make the debugger its new parent and* move it to the ptrace list.* Must be called with the tasklist lock write-held.
ptrace_init_task调试跟踪初始化