var haveHighResSleep = true

// osRelax is called by the scheduler when transitioning to and from
// all Ps being idle.
func osRelax(relax bool) {}

// enableWER is called by setTraceback("wer").
// Windows Error Reporting (WER) is only supported on Windows.
func enableWER() {}

// winlibcall is not implemented on non-Windows systems,
// but it is used in non-OS-specific parts of the runtime.

		t = 2<<tracebackShift | tracebackAll
	case "crash":
		t = 2<<tracebackShift | tracebackAll | tracebackCrash
	case "wer":
		if GOOS == "windows" {
			t = 2<<tracebackShift | tracebackAll | tracebackCrash
			enableWER()
			break
		}
		fallthrough
	default:
		t = tracebackAll
		if n, ok := atoi(level); ok && n == int(uint32(n)) {
			t |= uint32(n) << tracebackShift
		}
	}