type runtime.gcDrainFlags

3 uses

	runtime (current package)
		mgcmark.go#L983: type gcDrainFlags int
		mgcmark.go#L986: 	gcDrainUntilPreempt gcDrainFlags = 1 << iota
		mgcmark.go#L1014: func gcDrain(gcw *gcWork, flags gcDrainFlags) {