chiark / gitweb /
hashmap: return more information from resize_buckets()
[elogind.git] / man / binfmt.d.xml
index d2a0d79..2270166 100644 (file)
@@ -4,22 +4,22 @@
 <!--
   This file is part of systemd.
 
-  Copyright 2010 Brandon Philips
+  Copyright 2011 Lennart Poettering
 
   systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.
 
   systemd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
-<refentry id="binfmt.d">
+<refentry id="binfmt.d" conditional='ENABLE_BINFMT'>
 
         <refentryinfo>
                 <title>binfmt.d</title>
 
         <refnamediv>
                 <refname>binfmt.d</refname>
-                <refpurpose>Configure additional binary formats at boot</refpurpose>
+                <refpurpose>Configure additional binary formats for
+                executables at boot</refpurpose>
         </refnamediv>
 
         <refsynopsisdiv>
                 <para><filename>/etc/binfmt.d/*.conf</filename></para>
+                <para><filename>/run/binfmt.d/*.conf</filename></para>
+                <para><filename>/usr/lib/binfmt.d/*.conf</filename></para>
         </refsynopsisdiv>
 
         <refsect1>
                 <title>Description</title>
 
-               <para><command>systemd</command> uses
-               <filename>/etc/binfmt.d/</filename> to configure
-               additional binary formats to register during boot in
-               the kernel.  Each configuration file is named in the
-               style of
-               <filename>/etc/binfmt.d/&lt;program&gt;.conf</filename>.</para>
-
-
+                <para>At boot,
+                <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                reads configuration files from the above directories
+                to register in the kernel additional binary
+                formats for executables.</para>
         </refsect1>
 
         <refsect1>
-               <title>Configuration Format</title>
+                <title>Configuration Format</title>
 
                 <para>Each file contains a list of binfmt_misc kernel
                 binary format rules. Consult <ulink
-                url="http://www.kernel.org/doc/Documentation/binfmt_misc.txt">binfmt_misc.txt</ulink>
+                url="https://www.kernel.org/doc/Documentation/binfmt_misc.txt">binfmt_misc.txt</ulink>
                 for more information on registration of additional
                 binary formats and how to write rules.</para>
 
                 ignored. Note that this means you may not use ; and #
                 as delimiter in binary format rules.</para>
 
-                <para>Configuration files are loaded in alphabetical
-                order. To ensure that a specific rule takes precedence
-                over another place it in a file with an alphabetically
-                later name.</para>
-
+                <para>Each configuration file shall be named in the
+                style of <filename><replaceable>program</replaceable>.conf</filename>.
+                Files in <filename>/etc/</filename> override files
+                with the same name in <filename>/usr/lib/</filename>
+                and <filename>/run/</filename>. Files in
+                <filename>/run/</filename> override files with the
+                same name in <filename>/usr/lib/</filename>. Packages
+                should install their configuration files in
+                <filename>/usr/lib/</filename>, files in
+                <filename>/etc/</filename> are reserved for the local
+                administrator, who may use this logic to override the
+                configuration files installed from vendor
+                packages. All files are sorted by their filename in
+                lexicographic order, regardless of which of the
+                directories they reside in. If multiple files specify
+                the same binary type name, the entry in the file with
+                the lexicographically latest name will be applied.</para>
+
+                <para>If the administrator wants to disable a
+                configuration file supplied by the vendor, the
+                recommended way is to place a symlink to
+                <filename>/dev/null</filename> in
+                <filename>/etc/binfmt.d/</filename> bearing the
+                same filename.</para>
         </refsect1>
 
         <refsect1>
                 <title>See Also</title>
                 <para>
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>wine</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry project='die-net'><refentrytitle>wine</refentrytitle><manvolnum>8</manvolnum></citerefentry>
                 </para>
         </refsect1>