head	1.2;
access;
symbols
	netbsd-8-3-RELEASE:1.1.1.1
	netbsd-9-4-RELEASE:1.1.1.2
	netbsd-9-3-RELEASE:1.1.1.2
	netbsd-9-2-RELEASE:1.1.1.2
	libdrm-2-4-102:1.1.1.2
	netbsd-9-1-RELEASE:1.1.1.2
	netbsd-8-2-RELEASE:1.1.1.1
	libdrm-2-4-100:1.1.1.2
	netbsd-9-0-RELEASE:1.1.1.2
	netbsd-9-0-RC2:1.1.1.2
	netbsd-9-0-RC1:1.1.1.2
	netbsd-9:1.1.1.2.0.2
	netbsd-9-base:1.1.1.2
	libdrm-2-4-99:1.1.1.2
	netbsd-8-1-RELEASE:1.1.1.1
	netbsd-8-1-RC1:1.1.1.1
	libdrm-2-4-97:1.1.1.2
	libdrm-2-4-96:1.1.1.2
	netbsd-7-2-RELEASE:1.1.1.1
	netbsd-8-0-RELEASE:1.1.1.1
	netbsd-8-0-RC2:1.1.1.1
	netbsd-8-0-RC1:1.1.1.1
	netbsd-7-1-2-RELEASE:1.1.1.1
	libdrm-2-4-91:1.1.1.2
	netbsd-7-1-1-RELEASE:1.1.1.1
	libdrm-2-4-83:1.1.1.2
	netbsd-8:1.1.1.1.0.8
	netbsd-8-base:1.1.1.1
	netbsd-7-1:1.1.1.1.0.6
	netbsd-7-1-RELEASE:1.1.1.1
	libdrm-2-4-75:1.1.1.1
	netbsd-7-1-RC2:1.1.1.1
	netbsd-7-1-RC1:1.1.1.1
	netbsd-7-0-2-RELEASE:1.1.1.1
	libdrm-2-4-70:1.1.1.1
	netbsd-7-0-1-RELEASE:1.1.1.1
	netbsd-7-0:1.1.1.1.0.4
	netbsd-7-0-RELEASE:1.1.1.1
	netbsd-7-0-RC3:1.1.1.1
	netbsd-7-0-RC2:1.1.1.1
	libdrm-2-4-62:1.1.1.1
	netbsd-7-0-RC1:1.1.1.1
	libdrm-2-4-59:1.1.1.1
	libdrm-2-4-58:1.1.1.1
	netbsd-7:1.1.1.1.0.2
	netbsd-7-base:1.1.1.1
	libdrm-2-4-54:1.1.1.1
	riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.1
	libdrm-2-4-52:1.1.1.1
	xorg:1.1.1;
locks; strict;
comment	@# @;


1.2
date	2021.04.27.03.02.37;	author mrg;	state dead;
branches;
next	1.1;
commitid	S0gR5s3v900EvSQC;

1.1
date	2014.03.17.07.51.42;	author mrg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	e8QhQJtwbPKsC1tx;

1.1.1.1
date	2014.03.17.07.51.42;	author mrg;	state Exp;
branches;
next	1.1.1.2;
commitid	e8QhQJtwbPKsC1tx;

1.1.1.2
date	2017.08.29.06.30.18;	author mrg;	state Exp;
branches;
next	;
commitid	SwkxfytMMoJtD45A;


desc
@@


1.2
log
@merge libdrm 2.4.105.
@
text
@<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<!--
  Written 2012 by David Herrmann <dh.herrmann@@googlemail.com>
  Dedicated to the Public Domain
-->

<refentry id="drmHandleEvent">
  <refentryinfo>
    <title>Direct Rendering Manager</title>
    <productname>libdrm</productname>
    <date>September 2012</date>
    <authorgroup>
      <author>
        <contrib>Developer</contrib>
        <firstname>David</firstname>
        <surname>Herrmann</surname>
        <email>dh.herrmann@@googlemail.com</email>
      </author>
    </authorgroup>
  </refentryinfo>

  <refmeta>
    <refentrytitle>drmHandleEvent</refentrytitle>
    <manvolnum>3</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>drmHandleEvent</refname>
    <refpurpose>read and process pending DRM events</refpurpose>
  </refnamediv>

  <refsynopsisdiv>

    <funcsynopsis>
      <funcsynopsisinfo>#include &lt;xf86drm.h&gt;</funcsynopsisinfo>

      <funcprototype>
        <funcdef>int <function>drmHandleEvent</function></funcdef>
        <paramdef>int <parameter>fd</parameter></paramdef>
        <paramdef>drmEventContextPtr <parameter>evctx</parameter></paramdef>
      </funcprototype>
    </funcsynopsis>

  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>
    <para><function>drmHandleEvent</function> processes outstanding DRM events
          on the DRM file-descriptor passed as <parameter>fd</parameter>. This
          function should be called after the DRM file-descriptor has polled
          readable; it will read the events and use the passed-in
          <parameter>evctx</parameter> structure to call function pointers
          with the parameters noted below:

<programlisting>
typedef struct _drmEventContext {
    int version;
    void (*vblank_handler) (int fd,
                            unsigned int sequence,
                            unsigned int tv_sec,
                            unsigned int tv_usec,
                            void *user_data)
    void (*page_flip_handler) (int fd,
                               unsigned int sequence,
                               unsigned int tv_sec,
                               unsigned int tv_usec,
                               void *user_data)
} drmEventContext, *drmEventContextPtr;
</programlisting>

          </para>

  </refsect1>

  <refsect1>
    <title>Return Value</title>
    <para><function>drmHandleEvent</function> returns <literal>0</literal> on
          success, or if there is no data to read from the file-descriptor.
          Returns <literal>-1</literal> if the read on the file-descriptor fails
          or returns less than a full event record.</para>
  </refsect1>

  <refsect1>
    <title>Reporting Bugs</title>
    <para>Bugs in this function should be reported to
          http://bugs.freedesktop.org under the "Mesa" product, with "Other" or
          "libdrm" as the component.</para>
  </refsect1>

  <refsect1>
    <title>See Also</title>
    <para>
      <citerefentry><refentrytitle>drm</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>drm-kms</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>drmModePageFlip</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>drmWaitVBlank</refentrytitle><manvolnum>3</manvolnum></citerefentry>
    </para>
  </refsect1>
</refentry>
@


1.1
log
@Initial revision
@
text
@@


1.1.1.1
log
@initial import of libdrm-2.4.52
@
text
@@


1.1.1.2
log
@initial import of libdrm-2.4.83
@
text
@d89 2
a90 2
      https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&amp;component=libdrm
      under the "DRI" product, component "libdrm"</para>
@