Bug 6518
Starting from no plugins loaded, after the final step of the following,
basetriggers will be marked as errored because mapchooser is missing:
Load basetriggers
Load mapchooser
Unload mapchooser
Load mapchooser
Unload mapchooser
We lose the SP_NTVFLAG_OPTIONAL when removing a WeakNative. The
__pl_mapchooser_SetNTVOptional() is only called in basetriggers when it
is loaded. It adds the OPTIONAL flag to the mapchooser natives the
basetrigger plugin uses.
When mapchooser is loaded, the native is overwritten and the OPTIONAL
flag consumed (WeakNative registered), but not preserved. Later when
mapchooser is unloaded the WeakNative is removed in
CNativeOwner::UnbindWeakRef, but the OPTIONAL flag isn't added again.
The next time mapchooser is loaded, the natives aren't optional anymore
and will cause a real dependency.
The change in ShareSys isn't needed to fix the error, but is included to
keep the SP_NTVFLAG_OPTIONAL flag consistent.
This avoids spam of "Plugin not runnable" exceptions on shutdown or
plugin unload.
When re/unloading a plugin which has other ones depending on it, like
the adminmenu, It pauses the depending plugins putting them in an
"Depends on plugin: %s" error state. ForwardSys doesn't remove them from
the forward lists on pause, specially the global forwards, and still
tries to call all the global forwards like OnPlayerRunCmd and
OnLibraryAdded etc. on the paused plugins. Executing functions in paused
runtimes has been ignored in the VM before introducing the "Exception"
mechanism, but now they're all logged.
This adds checks to make sure the plugin is runnable before calling a
function. (Stolen from #438)
When unloading a plugin no plugin is allowed to execute code. There's
been some flawed logic in the scheduling, leading it to bail out if the
plugin was marked for scheduled unloading..
Also change the "error" message of `sm plugins unload` to something
nice.
1. Fixed OnPluginUnloaded not pairing if the plugin failed.
2. Unify error message handling in the second pass.
3. Do not add libraries if a plugin failed during OnPluginStart.
Note: this also ensures that library action callbacks are balanced (i.e., we do not notify
libraries are being dropped if they were never notified as being added).
David Anderson
Peace-Maker
Fyren
Nicholas Hastings
Asher Baker
Asher Baker