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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-16 11:02:15 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-16 11:02:15 -0300 |
| commit | 4484d72262532de4b0332a7ac331035e8f07297d (patch) | |
| tree | aa97cf13c9674fab7f63a05979c3c8c0e55f3968 /v4l2-spec/func-munmap.sgml | |
| parent | a9bf24d26fd28acaed839977e1d050c468d5a55e (diff) | |
| download | mediapointer-dvb-s2-4484d72262532de4b0332a7ac331035e8f07297d.tar.gz mediapointer-dvb-s2-4484d72262532de4b0332a7ac331035e8f07297d.tar.bz2 | |
v4l2-spec: Remove duplicated xml files
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Instead of having its own version, use the one at kernel docs.
Priority: normal
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'v4l2-spec/func-munmap.sgml')
| -rw-r--r-- | v4l2-spec/func-munmap.sgml | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/v4l2-spec/func-munmap.sgml b/v4l2-spec/func-munmap.sgml deleted file mode 100644 index 502ed4932..000000000 --- a/v4l2-spec/func-munmap.sgml +++ /dev/null @@ -1,83 +0,0 @@ -<refentry id="func-munmap"> - <refmeta> - <refentrytitle>V4L2 munmap()</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>v4l2-munmap</refname> - <refpurpose>Unmap device memory</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo> -#include <unistd.h> -#include <sys/mman.h></funcsynopsisinfo> - <funcprototype> - <funcdef>int <function>munmap</function></funcdef> - <paramdef>void *<parameter>start</parameter></paramdef> - <paramdef>size_t <parameter>length</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>start</parameter></term> - <listitem> - <para>Address of the mapped buffer as returned by the -&func-mmap; function.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>length</parameter></term> - <listitem> - <para>Length of the mapped buffer. This must be the same -value as given to <function>mmap()</function> and returned by the -driver in the &v4l2-buffer; <structfield>length</structfield> -field.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>Unmaps a previously with the &func-mmap; function mapped -buffer and frees it, if possible. <!-- ? This function (not freeing) -has no impact on I/O in progress, specifically it does not imply -&VIDIOC-STREAMOFF; to terminate I/O. Unmapped buffers can still be -enqueued, dequeued or queried, they are just not accessible by the -application.--></para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On success <function>munmap()</function> returns 0, on -failure -1 and the <varname>errno</varname> variable is set -appropriately:</para> - - <variablelist> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>The <parameter>start</parameter> or -<parameter>length</parameter> is incorrect, or no buffers have been -mapped yet.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> - -<!-- -Local Variables: -mode: sgml -sgml-parent-document: "v4l2.sgml" -indent-tabs-mode: nil -End: ---> |