func runtime.osPreemptExtEnter

3 uses

	runtime (current package)
		cgocall.go#L161: 	osPreemptExtEnter(mp)
		cgocall.go#L234: 	osPreemptExtEnter(gp.m)
		preempt_nonwindows.go#L10: func osPreemptExtEnter(mp *m) {}