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Add shutdown hook interface to Lua API

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Scripts can call minetest.register_on_shutdown() to register a
shutdown hook.

Document that minetest.register_on_shutdown() callbacks may not be run

If the server crashes, it is unlikely that callbacks registered using
minetest.register_on_shutdown() will be called.
This commit is contained in:
Matthew I 2012-09-08 14:44:26 -04:00 • committed by Perttu Ahola
parent ab45133ab4
commit 6c8fa83ecd
5 changed files with 27 additions and 0 deletions
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5
doc/lua_api.txt
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@ -792,6 +792,11 @@ minetest.register_craft(recipe)
Global callback registration functions: (Call these only at load time)
minetest.register_globalstep(func(dtime))
^ Called every server step, usually interval of 0.05s
minetest.register_on_shutdown(func())
^ Called before server shutdown
^ WARNING: If the server terminates abnormally (i.e. crashes), the registered
callbacks WILL LIKELY NOT BE RUN. Data should be saved at
semi-frequent intervals as well as on server shutdown.
minetest.register_on_placenode(func(pos, newnode, placer, oldnode))
^ Called when a node has been placed
^ Deprecated: Use on_construct or after_place_node in node definition instead