[Geany] Unloading modules (was Re: Plugin keybindings support in SVN)

[Nick Treleaven]

On Thu, 13 Mar 2008 14:36:26 +0100
Enrico Tröger <enrico.troeger at uvena.de> wrote:

> On Thu, 13 Mar 2008 13:10:37 +0000, Nick Treleaven
> <nick.treleaven at btinternet.com> wrote:
> 
> > Thanks, this might reveal some similar problems in other plugins.
> > Since the plugin manager was added, it seems each GModule is loaded
> > at startup, but not initialized. This means each plugin's global
> > variables are only initialized at startup, not when they are
> > enabled.
> Not anymore ;-).
> This morning,  I changed the code to only initialize "active" plugins.
> "active" means plugins which were enabled by the user. All other
> plugins are not read at all at startup of Geany but only if the plugin
> manager is loaded.

Cool, I hadn't checked latest SVN ;-)

> > To solve this problem, it might be best to unload each module after
> > reading the information for each plugin - this would be good to do
> > anyway to save memory. Otherwise, the shared library must stay
> > resident. Each plugin's metadata could be cached by Geany.
> Hmm, since non-active plugins (now) are only initialized when opening
> the plugin manager, I suggest to unload the modules (of inactive
> plugins) when closing the plugin manager instead of caching the
> metadata.

This would solve the problem of keeping modules resident in memory, but
to fix the original global variable initialization problem, we also
need to unload the module of any plugin disabled from the plugin
manager, in case it is reloaded before the plugin manager is closed.

Regards,
Nick