let shuttingDown = false let signalHandlersRegistered = false export function isShuttingDown() { return shuttingDown } export function registerShutdownSignalHandlers() { if (signalHandlersRegistered) return signalHandlersRegistered = true process.once("SIGTERM", markShuttingDown) process.once("SIGINT", markShuttingDown) } function markShuttingDown() { shuttingDown = true }