socket_get_option/socket_set_option SO_ACCEPTFILTER constants

Co-authored-by: Sergey Panteleev <[email protected]>

Closes GH-656.

Author: devnexen

reference/sockets/constants.xml

@@ -347,6 +347,39 @@
     </simpara>
    </listitem>
   </varlistentry>
+  <varlistentry xml:id="constant.so-mark">
+   <term>
+    <constant>SO_MARK</constant> 
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Available as of PHP 8.1.0 
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.so-user-cookie">
+   <term>
+    <constant>SO_USER_COOKIE</constant> 
+    (<type>int</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Available as of PHP 8.1.0 
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry xml:id="constant.so-acceptfilter">
+   <term>
+    <constant>SO_ACCEPTFILTER</constant> 
+    (<type>string</type>)
+   </term>
+   <listitem>
+    <simpara>
+     Available as of PHP 8.1.0 
+    </simpara>
+   </listitem>
+  </varlistentry>
   <varlistentry xml:id="constant.sol-socket">
    <term>
     <constant>SOL_SOCKET</constant> 

reference/sockets/functions/socket-get-option.xml

@@ -402,6 +402,37 @@
            <type>int</type> between -1 and 255.
           </entry>
          </row>
+         <row>
+          <entry><constant>SO_MARK</constant></entry>
+          <entry>
+           Sets an identifier on the socket for packet filtering
+           purpose on Linux.
+          </entry>
+          <entry>
+           <type>int</type>
+          </entry>
+         </row>
+         <row>
+          <entry><constant>SO_ACCEPTFILTER</constant></entry>
+          <entry>
+           Adds an accept filter on the listened socket (FreeBSD/NetBSD).
+           An accept filter kernel module needs to be loaded beforehand
+           on FreeBSD (e.g. accf_http).
+          </entry>
+          <entry>
+           <type>string</type> name of the filter (length 15 max).
+          </entry>
+         </row>
+         <row>
+          <entry><constant>SO_USER_COOKIE</constant></entry>
+          <entry>
+           Sets an identifier on the socket for packet filtering
+           purpose on FreeBSD.
+          </entry>
+          <entry>
+           <type>int</type>
+          </entry>
+         </row>
         </tbody>
        </tgroup>
       </table>
@@ -414,7 +445,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns the value of the given option, or &false; on errors.
+   Returns the value of the given option, &return.falseforfailure;.
   </para>
  </refsect1>