函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\pid.c Create Date:2022-07-27 10:28:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：free_pid

函数原型：void free_pid(struct pid *pid)

返回类型：void

参数：

类型参数名称
struct pid *pid
130  spin_lock_irqsave( & Note: disable interrupts while the pidmap_lock is held as an* interrupt might come in and do read_lock(&tasklist_lock), flags)
131  以i小于等于空间中级别循环
132  upid等于进程空间加i
133  ns等于进程所处空间
135  当:-- == 2
136  当:-- == 1
141  唤醒中断线程
142  退出
143  当:-- == PIDNS_ADDING
145  WARN_ON(子进程回收器)
146  pid_allocated等于0
148  当:-- == 0
149  schedule_work - put work task in global workqueue*@work: job to be done* Returns %false if @work was already on the kernel-global workqueue and* %true otherwise
150  退出
153  删除释放idr
155  spin_unlock_irqrestore( & Note: disable interrupts while the pidmap_lock is held as an* interrupt might come in and do read_lock(&tasklist_lock), flags)
157  Exported common interfaces
调用者
名称描述
__change_pid
copy_process创建进程