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136 lines
4.9 KiB
XML
136 lines
4.9 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
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<!ENTITY % entities SYSTEM "custom-entities.ent" >
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%entities;
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]>
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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This file is part of systemd.
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Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="udev_enumerate_scan_devices"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>udev_enumerate_scan_devices</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>David</firstname>
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<surname>Herrmann</surname>
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<email>dh.herrmann@gmail.com</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>udev_enumerate_scan_devices</refentrytitle>
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<manvolnum>3</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>udev_enumerate_scan_devices</refname>
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<refname>udev_enumerate_scan_subsystems</refname>
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<refname>udev_enumerate_get_list_entry</refname>
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<refname>udev_enumerate_add_syspath</refname>
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<refname>udev_enumerate_get_udev</refname>
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<refpurpose>Query or modify a udev enumerate object</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<funcsynopsis>
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<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
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<funcprototype>
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<funcdef>int <function>udev_enumerate_scan_devices</function></funcdef>
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<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int <function>udev_enumerate_scan_subsystems</function></funcdef>
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<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>struct udev_list_entry *<function>udev_enumerate_get_list_entry</function></funcdef>
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<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>int <function>udev_enumerate_add_syspath</function></funcdef>
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<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
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<paramdef>const char *<parameter>syspath</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>struct udev *<function>udev_enumerate_get_udev</function></funcdef>
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<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<!--<refsect1>
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<title>Description</title>
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<para>XXX: Add short description.</para>
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</refsect1>-->
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<refsect1>
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<title>Return Value</title>
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<para>On success,
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<function>udev_enumerate_scan_devices()</function>,
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<function>udev_enumerate_scan_subsystems()</function> and
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<function>udev_enumerate_add_syspath()</function>
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return an integer greater than, or equal to,
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<constant>0</constant>.</para>
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<para>On success,
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<function>udev_enumerate_get_list_entry()</function>
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returns a pointer to the first entry in the list of found
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devices. If the list is empty, or on failure,
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<constant>NULL</constant> is returned.</para>
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<para><function>udev_enumerate_get_udev()</function> always
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returns a pointer to the udev context that this enumerated
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object is associated with.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>udev_enumerate_add_match_subsystem</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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</para>
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</refsect1>
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</refentry>
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