exit_io_context

Name:Called by the exiting task

Proto:void exit_io_context(struct task_struct *task)

Type:void

Parameter:

Type	Parameter	Name
struct task_struct *	task

202

Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring* subscriptions and synchronises with wait4(). Also used in procfs. Also* pins the final release of task.io_context. Also protects ->cpuset and* ->cgroup.subsys[]. And ->vfork_done.

203

ioc = io_context

204

io_context = NULL

205

task_unlock(task)

207

atomic_dec( & nr_tasks)

208

put_io_context_active - put active reference on ioc*@ioc: ioc of interest* Undo get_io_context_active(). If active reference reaches zero after* put, @ioc can never issue further IOs and ioscheds are notified.

**Caller**
Name	Describe
do_exit

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Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion