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优先级继承

网络priority inheritance; Priorty-Inheritance

优先级继承

优先级继承

优先级继承

priority inheritance

这叫做优先级继承(Priority inheritance)但μC/OS-Ⅱ不支持优先级继承,一些商业内核有优先级继承功能。

Priorty-Inheritance

　　　　 优先级继承（Priorty-Inheritance）:用来解决优先级反转问题的技术。当优先级反转发生时，较低优先级任务的优先级暂时提高…

1

With the RTSJ, true priorities and a fixed-priority preemptive scheduler with priority-inheritance support is required for RT threads .

在 RTSJ 规范中，RT 线程需要真正的优先级，以及具有优先级继承支持的固定优先级抢占式调度程序。

2

Once diagnosed, it was clear to the JPL engineers that using priority inheritance would prevent the resets they were seeing.

一旦定位后，喷气推进实验室的工程师们就明白了用优先级继承可以防止重启。

3

Another example is priority inheritance , a locking policy that defines how lock synchronization is managed when a lock is contested.

另一个例子是优先级继承，它是一种锁定策略，定义了锁竞争时如何管理锁同步。

4

The second timeline in Figure 1 shows how the locking behavior of the first timeline changes when priority inheritance is in effect.

图 1 中的第二条时间线显示了发生优先级继承时第一条时间线的锁定行为的变化情况。

7

Priority inheritance can mean the boosting and deboosting of a group of threads .

优先级继承可以指提高和降低一组线程的优先级。

9

With contention, a POSIX lock and unlock operation would trigger Linux kernel priority inheritance support to occur .

存在锁争用时，POSIX 锁定和解锁操作将触发 Linux 内核优先级继承支持。

12

Priority inheritance is a technique for avoiding priority inversion .

优先级继承是一种用于避免优先级反转的技术。

13

The priority inversion in real-time system is solved with priority inheritance protocol .

优先级继承协议可解决实时系统中优先级反转。

14

A POSIX API for creating a pthread_mutex lets the mutex implement the priority -inheritance protocol .

用于创建 pthread_mutex 的 POSIXAPI 使用互斥锁来实现优先级继承协议。

15

That is, priority inheritance could require priority boosting and deboosting of a group of threads .

就是说，优先级继承需要对一组线程进行优先级提高和降低。

16

Priority inheritance is mandated by the RTSJ.

优先级继承由 RTSJ 规定。

17

Priority inheritance is also needed for certain system locks .

对于某些系统锁也需要使用优先级继承。

18

Because of priority inheritance , priority adjustments are required by the RTSJ.

由于优先级继承的原因，RTSJ 需要使用优先级调整。

19

These locks are based on priority inheritance and are held for short time intervals.

这些锁基于优先级继承并且其持有时间较短。

20

These are the points where priority -inheritance support takes effect .

在这些情况下优先级继承支持生效。

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