Function isProcessRunning

src/utils/computerUse/computerUseLock.ts:65–72

* Check whether a process is still running (signal 0 probe). * * Note: there is a small window for PID reuse — if the owning process * exits and an unrelated process is assigned the same PID, the check * will return true. This is extremely unlikely in practice.

(pid: number)

 * will return true. This is extremely unlikely in practice.
 */
function isProcessRunning(pid: number): boolean {
  try {
    process.kill(pid, 0)
    return true
  } catch {
    return false
  }
}

/**
 * Attempt to create the lock file atomically with O_EXCL.