void vortex_channel_set_close_handler VortexChannel channel,
VortexOnCloseChannel  close,
gpointer  user_data

Allows to set close channel to the given channel.

Set the handler to be executed on this channel when a close channel event arrives. If you call several times to this function, the handler and user data will be changed to passed in data. So you can use this function to reset handlers definition on this channel.

channel the channel to configure
close the close handler to execute
user_data the user data to pass to close execution