Function installGlobalCleanupHandlers

packages/python/src/start-dev-server.ts:451–490

()

let cleanupHandlersInstalled = false;

function installGlobalCleanupHandlers() {
  if (cleanupHandlersInstalled) return;
  cleanupHandlersInstalled = true;

  const killAll = () => {
    for (const [key, info] of PERSISTENT_SERVERS.entries()) {
      try {
        process.kill(info.pid, 'SIGTERM');
      } catch (err: any) {
        debug(`Error sending SIGTERM to ${info.pid}: ${err}`);
      }
      try {
        process.kill(info.pid, 'SIGKILL');
      } catch (err: any) {
        debug(`Error sending SIGKILL to ${info.pid}: ${err}`);
      }
      PERSISTENT_SERVERS.delete(key);
    }
    if (restoreWarnings) {
      try {
        restoreWarnings();
      } catch (err: any) {
        debug(`Error restoring warnings: ${err}`);
      }
      restoreWarnings = null;
    }
  };

  // Do not exit on signals, so other interruption handlers
  // can perform their cleanup routine.
  process.on('SIGINT', () => {
    killAll();
  });
  process.on('SIGTERM', () => {
    killAll();
  });
  process.on('exit', () => {
    killAll();
  });
}

interface DevShimResult {
  module: string;