Changes

This is when <code>--ext-unix-sk</code> option should be used. By providing this option (for both dump and restore commands), user states "I know there may be uni-directional unix connections, and I will make sure the server end will exist on restore".

This is when <code>--ext-unix-sk</code> option should be used. By providing this option (for both dump and restore commands), user states "I know there may be uni-directional unix connections, and I will make sure the server end will exist on restore".

For '''criu dump''', this option enables dumping unix sockets with additional information about that other ("external") socket it is connected to.

For '''criu dump''', this option enables dumping ''datagram'' unix sockets with additional information about that other ("external") socket it is connected to.

For '''criu restore''', this option asks criu to re-connect such sockets back.

For '''criu restore''', this option asks criu to re-connect such sockets back.