'\" t
.\"     Title: abort_exclusive_wait
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Driver Basics
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "ABORT_EXCLUSIVE_WAIT" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Driver Basics"
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.SH "NAME"
abort_exclusive_wait \- abort exclusive waiting in a queue
.SH "SYNOPSIS"
.HP \w'void\ abort_exclusive_wait('u
.BI "void abort_exclusive_wait(wait_queue_head_t\ *\ " "q" ", wait_queue_t\ *\ " "wait" ", unsigned\ int\ " "mode" ", void\ *\ " "key" ");"
.SH "ARGUMENTS"
.PP
\fIq\fR
.RS 4
waitqueue waited on
.RE
.PP
\fIwait\fR
.RS 4
wait descriptor
.RE
.PP
\fImode\fR
.RS 4
runstate of the waiter to be woken
.RE
.PP
\fIkey\fR
.RS 4
key to identify a wait bit queue or
\fBNULL\fR
.RE
.SH "DESCRIPTION"
.PP
Sets current thread back to running state and removes the wait descriptor from the given waitqueue if still queued\&.
.PP
Wakes up the next waiter if the caller is concurrently woken up through the queue\&.
.PP
This prevents waiter starvation where an exclusive waiter aborts and is woken up concurrently and no one wakes up the next waiter\&.
.SH "COPYRIGHT"
.br