code/controllers/subsystems/overlays.dm

OVR_PUMP_RATIO	How many items should we process before we check for yield? Increasing this increases efficiency, but also raises risk of overrun.
OVR_PUMP_INIT	Initialize state required for OVR_MC_TRY_YIELD.
OVR_MC_TRY_YIELD	Check if we need to yield to the MC. This macro will sleep or break.

Define Details

Check if we need to yield to the MC. This macro will sleep or break.

Initialize state required for OVR_MC_TRY_YIELD.

How many items should we process before we check for yield? Increasing this increases efficiency, but also raises risk of overrun.