Unix-domain
socket file extension on which the server is listening for
connections. Defaults to the value of the <envar>PGPORT</envar>
environment variable or, if not set, to the port specified at
compile time, usually 5432.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-q</option></term>
<term><option>--quiet</option></term>
<listitem>
<para>
Do not display status message. This is useful when scripting.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-t <replaceable class="parameter">seconds</replaceable></option></term>
<term><option>--timeout=<replaceable class="parameter">seconds</replaceable></option></term>
<listitem>
<para>
The maximum number of seconds to wait when attempting connection before
returning that the server is not responding. Setting to 0 disables. The
default is 3 seconds.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-U <replaceable class="parameter">username</replaceable></option></term>
<term><option>--username=<replaceable class="parameter">username</replaceable></option></term>
<listitem>
<para>
Connect to the database as the user <replaceable
class="parameter">username</replaceable> instead of the default.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-V</option></term>
<term><option>--version</option></term>
<listitem>
<para>
Print the <application>pg_isready</application> version and exit.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-?</option></term>
<term><option>--help</option></term>
<listitem>
<para>
Show help about <application>pg_isready</application> command line
arguments, and exit.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Exit Status</title>
<para>
<application>pg_isready</application> returns <literal>0</literal> to the shell if the server
is accepting connections