资料介绍
内核讲解2第2章 实时系统概念 ...........................................................................................................1
2.0 前后台系统 （FOREGROUND/BACKGROUND SYSTEM） ............................................1
2.1 代码的临界段 ...............................................................................................................2
2.2 资源...............................................................................................................................2
2.3 共享资源.......................................................................................................................2
2.4 多任务...........................................................................................................................2
2.5
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