code/__DEFINES/callbacks.dm

CALLBACK	A shorthand for the callback datum, documented here
MAKE_SPAWN_ACT_LIKE_WAITFOR	Per the DM reference, spawn(-1) will execute the spawned code immediately until a block is met.
ASYNC	Create a codeblock that will not block the callstack if a block is met.
VERB_CALLBACK	like CALLBACK but specifically for verb callbacks

Define Details

Create a codeblock that will not block the callstack if a block is met.

A shorthand for the callback datum, documented here

Per the DM reference, spawn(-1) will execute the spawned code immediately until a block is met.

like CALLBACK but specifically for verb callbacks