Add 'reload' option to pg_ctl to send SIGHUP to the postmaster.

2 files changed, 22 insertions, 9 deletions

diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
index 33dba495df8..79d74a83a09 100644
--- a/doc/src/sgml/client-auth.sgml
+++ b/doc/src/sgml/client-auth.sgml
@@ -1,4 +1,4 @@
-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/client-auth.sgml,v 1.20 2001/09/21 20:31:41 tgl Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/client-auth.sgml,v 1.21 2001/09/21 21:10:56 tgl Exp $ -->
 
 <chapter id="client-authentication">
  <title>Client Authentication</title>
@@ -333,9 +333,10 @@ hostssl <replaceable>database</replaceable> <replaceable>IP-address</replaceable
 
   <para>
    The <filename>pg_hba.conf</filename> file is loaded only on startup
-   and when the <application>postmaster</> receives a <systemitem>SIGHUP</systemitem> signal. If
-   you edit the file on an active system, you will need to issue a
-   <systemitem>SIGHUP</systemitem> to the <application>postmaster</> using <application>kill</>
+   and when the <application>postmaster</> receives a
+   <systemitem>SIGHUP</systemitem> signal. If you edit the file on an
+   active system, you will need to signal the <application>postmaster</>
+   (using <application>pg_ctl reload</> or <application>kill -HUP</>)
    to make it re-read the file.
   </para>
 
diff --git a/doc/src/sgml/ref/pg_ctl-ref.sgml b/doc/src/sgml/ref/pg_ctl-ref.sgml
index 84022f9f695..668dd861cab 100644
--- a/doc/src/sgml/ref/pg_ctl-ref.sgml
+++ b/doc/src/sgml/ref/pg_ctl-ref.sgml
@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/pg_ctl-ref.sgml,v 1.8 2001/09/03 12:57:50 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/pg_ctl-ref.sgml,v 1.9 2001/09/21 21:10:56 tgl Exp $
 Postgres documentation
 -->
 
@@ -58,6 +58,11 @@ Postgres documentation
    <arg>-o <replaceable>options</replaceable></arg>
    <sbr>
    <command>pg_ctl</command>
+   <arg choice="plain">reload</arg>
+   <arg>-s</arg>
+   <arg>-D <replaceable>datadir</replaceable></arg>
+   <sbr>
+   <command>pg_ctl</command>
    <arg choice="plain">status</arg>
    <arg>-D <replaceable>datadir</replaceable></arg>
   </cmdsynopsis>
@@ -73,7 +78,7 @@ Postgres documentation
    the status of a running postmaster.  Although the postmaster can be
    started manually, <application>pg_ctl</application> encapulates
    tasks such as redirecting log output, properly detaching from the
-   terminal and process group, and additionally provides an option for
+   terminal and process group, and it provides convenient options for
    controlled shut down.
   </para>
 
@@ -93,7 +98,7 @@ Postgres documentation
   </para>
 
   <para>
-   In <option>stop</option> mode, the postmaster that is running on
+   In <option>stop</option> mode, the postmaster that is running in
    the specified data directory is shut down.  Three different
    shutdown methods can be selected with the <option>-m</option>
    option: <quote>Smart</quote> mode waits for all the clients to
@@ -101,7 +106,6 @@ Postgres documentation
    not wait for clients to disconnect.  All active transactions will
    be rolled back.  <quote>Immediate</quote> mode will abort without
    complete shutdown.  This will lead to a recovery run on restart.
-   By the default, stop mode waits for the shutdown to complete.
   </para>
 
   <para>
@@ -111,6 +115,14 @@ Postgres documentation
   </para>
 
   <para>
+   <option>reload</option> mode simply sends the postmaster a SIGHUP signal,
+   causing it to reread its configuration files
+   (<filename>postgresql.conf</filename>, <filename>pg_hba.conf</filename>,
+   etc).  This allows changing of configuration-file options that do not
+   require a complete restart to take effect.
+  </para>
+
+  <para>
    <option>status</option> mode checks whether a postmaster is running
    and if so displays the <acronym>PID</acronym> and the command line
    options that were used to invoke it.
@@ -188,7 +200,7 @@ Postgres documentation
       <term>-w</term>
       <listitem>
        <para>
-	Wait for the start or stutdown to complete.  Times out after
+	Wait for the start or shutdown to complete.  Times out after
 	60 seconds.  This is the default for shutdowns.
        </para>
       </listitem>