Function exithandler

lib/child_process.js:378–425

(code, signal)

  let cmd = file;

  function exithandler(code, signal) {
    if (exited) return;
    exited = true;

    if (timeoutId) {
      clearTimeout(timeoutId);
      timeoutId = null;
    }

    if (!callback) return;

    // merge chunks
    let stdout;
    let stderr;
    if (encoding ||
      (
        child.stdout?.readableEncoding
      )) {
      stdout = ArrayPrototypeJoin(_stdout, '');
    } else {
      stdout = Buffer.concat(_stdout);
    }
    if (encoding ||
      (
        child.stderr?.readableEncoding
      )) {
      stderr = ArrayPrototypeJoin(_stderr, '');
    } else {
      stderr = Buffer.concat(_stderr);
    }

    if (!ex && code === 0 && signal === null) {
      callback(null, stdout, stderr);
      return;
    }

    if (args?.length)
      cmd += ` ${ArrayPrototypeJoin(args, ' ')}`;

    ex ||= genericNodeError(`Command failed: ${cmd}\n${stderr}`, {
      code: code < 0 ? getSystemErrorName(code) : code,
      killed: child.killed || killed,
      signal: signal,
    });

    ex.cmd = cmd;
    callback(ex, stdout, stderr);
  }

  function errorhandler(e) {
    ex = e;