releasem(mp)
}

// stopTheWorldGC has the same effect as stopTheWorld, but blocks
// until the GC is not running. It also blocks a GC from starting
// until startTheWorldGC is called.
func stopTheWorldGC(reason stwReason) worldStop {
	semacquire(&gcsema)
	return stopTheWorld(reason)
}

// startTheWorldGC undoes the effects of stopTheWorldGC.
//