src/vs/base/node/processes.ts/getWindowsCode
function getWindowsCode(status: number): TerminateResponseCode {
	switch (status) {
		case 0:
			return TerminateResponseCode.Success;
		case 1:
			return TerminateResponseCode.AccessDenied;
		case 128:
			return TerminateResponseCode.ProcessNotFound;
		default:
			return TerminateResponseCode.Unknown;
	}
}