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<?xml version="1.0"?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.oasis-open.org/doxbook/xml/4.3/docbookx.dtd">
<chapter id="libaccounts-running">
<title>Running and debugging libaccounts-glib applications</title>
<para>
There are various debugging techniques available for applications which use
libaccounts-glib.
</para>
<section>
<title>Environment variables</title>
<para>
There are several environment variables which can aid in debugging
libaccounts-glib applications by changing runtime behavior.
</para>
<variablelist>
<title>Supported envionment variables</title>
<varlistentry>
<term>
<varname>ACCOUNTS</varname>
</term>
<listitem>
<para>
Specifies the path to the accounts database. If this is unset, the
database is stored in
<filename class="directory">$XDG_CONFIG_HOME/libaccounts-glib</filename>,
which normally expands to
<filename class="directory">~/.config/libaccounts-glib</filename>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>AG_DEBUG</varname>
</term>
<listitem>
<para>
Can be set to a list of debug options, which causes libaccounts-glib to
print different debug information.
<variablelist>
<title><varname>AG_DEBUG</varname> options</title>
<varlistentry>
<term>
<literal>time</literal>
</term>
<listitem>
<para>
Print timing debug messages.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<literal>refs</literal>
</term>
<listitem>
<para>
Print reference-counting debug messages.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<literal>locks</literal>
</term>
<listitem>
<para>
Print locking debug messages.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<literal>queries</literal>
</term>
<listitem>
<para>
Print <acronym>SQL</acronym> query debug messages.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<literal>info</literal>
</term>
<listitem>
<para>
Print miscellaneous debug messages.
</para>
</listitem>
</varlistentry>
</variablelist>
The special value <literal>all</literal> can be used to turn on all
debug options.
</para>
<note>
<para>
In order for debug messages to be printed, libaccounts-glib must have
been configured with the option <option>--enable-debug</option>.
Additionally, GLib must be configured to print debug messages at the
required debug level, for example with
<varname>G_MESSAGES_DEBUG</varname> set to <literal>all</literal>.
</para>
</note>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>AG_APPLICATIONS</varname>
</term>
<listitem>
<para>
Specifies the path to search for
<xref linkend="application-file-format"/>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>AG_PROVIDERS</varname>
</term>
<listitem>
<para>
Specifies the path to search for
<xref linkend="provider-file-format"/>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>AG_SERVICES</varname>
</term>
<listitem>
<para>
Specifies the path to search for <xref linkend="service-file-format"/>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<varname>AG_SERVICE_TYPES</varname>
</term>
<listitem>
<para>
Specifies the path to search for
<xref linkend="service-type-file-format"/>.
</para>
</listitem>
</varlistentry>
</variablelist>
</section>
</chapter>
|
