Function waitForExit

__tests__/mcp-startup-orphan.test.ts:51–60

(child: ChildProcessWithoutNullStreams, timeoutMs: number)

}

function waitForExit(child: ChildProcessWithoutNullStreams, timeoutMs: number): Promise<number | null> {
  return new Promise((resolve, reject) => {
    if (child.exitCode !== null) { resolve(child.exitCode); return; }
    const timer = setTimeout(
      () => reject(new Error(`server did not exit within ${timeoutMs}ms`)),
      timeoutMs
    );
    child.on('exit', (code) => { clearTimeout(timer); resolve(code); });
  });
}

const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms));