type os/signal.handler

9 uses

	os/signal (current package)
		signal.go#L16: 	m map[chan<- os.Signal]*handler
		signal.go#L29: 	h *handler
		signal.go#L32: type handler struct {
		signal.go#L36: func (h *handler) want(sig int) bool {
		signal.go#L40: func (h *handler) set(sig int) {
		signal.go#L44: func (h *handler) clear(sig int) {
		signal.go#L56: 		var zerohandler handler
		signal.go#L132: 			handlers.m = make(map[chan<- os.Signal]*handler)
		signal.go#L134: 		h = new(handler)