'\" t
.\"     Title: wake_up_process
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Driver Basics
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "WAKE_UP_PROCESS" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Driver Basics"
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.SH "NAME"
wake_up_process \- Wake up a specific process
.SH "SYNOPSIS"
.HP \w'int\ wake_up_process('u
.BI "int wake_up_process(struct\ task_struct\ *\ " "p" ");"
.SH "ARGUMENTS"
.PP
\fIp\fR
.RS 4
The process to be woken up\&.
.RE
.SH "DESCRIPTION"
.PP
Attempt to wake up the nominated process and move it to the set of runnable processes\&.
.SH "RETURN"
.PP
1 if the process was woken up, 0 if it was already running\&.
.PP
It may be assumed that this function implies a write memory barrier before changing the task state if and only if any tasks are woken up\&.
.SH "COPYRIGHT"
.br