'\" t
.\"     Title: fence_later
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Device drivers infrastructure
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "FENCE_LATER" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Device drivers infrastructure"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
fence_later \- return the chronologically later fence
.SH "SYNOPSIS"
.HP \w'struct\ fence\ *\ fence_later('u
.BI "struct fence * fence_later(struct\ fence\ *\ " "f1" ", struct\ fence\ *\ " "f2" ");"
.SH "ARGUMENTS"
.PP
\fIf1\fR
.RS 4
[in] the first fence from the same context
.RE
.PP
\fIf2\fR
.RS 4
[in] the second fence from the same context
.RE
.SH "DESCRIPTION"
.PP
Returns NULL if both fences are signaled, otherwise the fence that would be signaled last\&. Both fences must be from the same context, since a seqno is not re\-used across contexts\&.
.SH "COPYRIGHT"
.br