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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
commitb750101eb236130cf056c675997decbac904cc49 (patch)
treea5df1a06754bdd014cb975c051c83b01c9a97532 /man/udev_device_get_syspath.xml
parentInitial commit. (diff)
downloadsystemd-b750101eb236130cf056c675997decbac904cc49.tar.xz
systemd-b750101eb236130cf056c675997decbac904cc49.zip
Adding upstream version 252.22.upstream/252.22
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!ENTITY % entities SYSTEM "custom-entities.ent" >
+%entities;
+]>
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+
+<refentry id="udev_device_get_syspath"
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>udev_device_get_syspath</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>udev_device_get_syspath</refentrytitle>
+ <manvolnum>3</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>udev_device_get_syspath</refname>
+ <refname>udev_device_get_sysname</refname>
+ <refname>udev_device_get_sysnum</refname>
+ <refname>udev_device_get_devpath</refname>
+ <refname>udev_device_get_devnode</refname>
+ <refname>udev_device_get_devnum</refname>
+ <refname>udev_device_get_devtype</refname>
+ <refname>udev_device_get_subsystem</refname>
+ <refname>udev_device_get_driver</refname>
+ <refname>udev_device_get_udev</refname>
+ <refname>udev_device_get_parent</refname>
+ <refname>udev_device_get_parent_with_subsystem_devtype</refname>
+ <refname>udev_device_get_is_initialized</refname>
+ <refname>udev_device_get_action</refname>
+
+ <refpurpose>Query device properties</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcsynopsisinfo>#include &lt;libudev.h&gt;</funcsynopsisinfo>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_syspath</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_sysname</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_sysnum</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_devpath</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_devnode</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>dev_t <function>udev_device_get_devnum</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_devtype</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_subsystem</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_driver</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>struct udev *<function>udev_device_get_udev</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>struct udev_device *<function>udev_device_get_parent</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>struct udev_device *<function>udev_device_get_parent_with_subsystem_devtype</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ <paramdef>const char *<parameter>subsystem</parameter></paramdef>
+ <paramdef>const char *<parameter>devtype</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>int <function>udev_device_get_is_initialized</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ <funcprototype>
+ <funcdef>const char *<function>udev_device_get_action</function></funcdef>
+ <paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
+ </funcprototype>
+
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <!--<refsect1>
+ <title>Description</title>
+
+ <para>XXX: Add documentation.</para>
+ </refsect1>-->
+
+ <refsect1>
+ <title>Return Value</title>
+
+ <para>On success, <function>udev_device_get_syspath()</function>,
+ <function>udev_device_get_sysname()</function>,
+ <function>udev_device_get_sysnum()</function>,
+ <function>udev_device_get_devpath()</function>,
+ <function>udev_device_get_devnode()</function>,
+ <function>udev_device_get_devtype()</function>,
+ <function>udev_device_get_subsystem()</function>,
+ <function>udev_device_get_driver()</function> and
+ <function>udev_device_get_action()</function> return a pointer
+ to a constant string that describes the requested property. The
+ lifetime of this string is bound to the device it was requested
+ on. On failure, each function may return
+ <constant>NULL</constant>.</para>
+
+ <para>On success, <function>udev_device_get_devnum()</function>
+ returns the device type of the passed device. On failure, a
+ device type with minor and major number set to
+ <constant>0</constant> is returned.</para>
+
+ <para><function>udev_device_get_udev()</function> always returns
+ a valid pointer to the udev context that this device belongs
+ to.</para>
+
+ <para>On success, <function>udev_device_get_parent()</function>
+ and
+ <function>udev_device_get_parent_with_subsystem_devtype()</function>
+ return a pointer to the parent device. No additional reference
+ to this device is acquired, but the child device owns a reference
+ to such a parent device. On failure, <constant>NULL</constant>
+ is returned.</para>
+
+ <para>On success, <function>udev_device_get_is_initialized()</function> returns either <constant>1</constant> or
+ <constant>0</constant>, depending on whether the passed device has already been initialized by udev or not. On
+ failure, a negative error code is returned. Note that devices for which no udev rules are defined are never
+ reported initialized.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+
+ <para>
+ <citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>udev_device_has_tag</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>