1) supply special resources.
This resource can be only used by one special thread.
2) permit held up resources can be required by other threads.
threads manager should be able to signal interrupt command to let locked up threads giving up resources.
3) resources have different level --- low level resource and high level resource.
Resource grabing must happen from low level to high level.
本文介绍了一种资源管理策略,包括特殊资源仅能被特定线程使用、允许被占用资源可供其他线程请求及资源从低级别到高级别的获取原则。此外还提出线程管理器应具备中断锁定线程并使其释放资源的能力。
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