'\" t
.\"     Title: futex_top_waiter
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Futex API reference
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "FUTEX_TOP_WAITER" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Futex API reference"
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.SH "NAME"
futex_top_waiter \- Return the highest priority waiter on a futex
.SH "SYNOPSIS"
.HP \w'struct\ futex_q\ *\ futex_top_waiter('u
.BI "struct futex_q * futex_top_waiter(struct\ futex_hash_bucket\ *\ " "hb" ", union\ futex_key\ *\ " "key" ");"
.SH "ARGUMENTS"
.PP
\fIhb\fR
.RS 4
the hash bucket the futex_q\*(Aqs reside in
.RE
.PP
\fIkey\fR
.RS 4
the futex key (to distinguish it from other futex futex_q\*(Aqs)
.RE
.SH "DESCRIPTION"
.PP
Must be called with the hb lock held\&.
.SH "AUTHOR"
.PP
\fBRusty Russell\fR <\&rusty@rustcorp.com.au\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br