Combined with soft real - time scheduler and multi - threaded library , a customized self - scheduled thread library is presented . such self - scheduled thread library can bring priority expansion and schedule convenience for operating system . the key ideas of design and implementation of such library are introduced in the paper 针对不同操作系统调度语义的差异,本文将软实时调度器同线程库相结合,提出了具有定制调度能力、并能够扩展操作系统的优先级和调度能力的自调度线程库。