* @param allowed_count Maximum count of thread for jobs including this one
* @param start_count Count of thread to start now, must be lower.
* @param waiter_count Maximum count of jobs that can be waiting.
* @param allowed_count Maximum count of thread for jobs including this one
* @param start_count Count of thread to start now, must be lower.
* @param waiter_count Maximum count of jobs that can be waiting.