我如何中止，暂停和在C＃中恢复线程？ [英] How do I abort, pause and resume threads in C#?

问题描述

我如何中止，暂停和在C＃中恢复线程

How do I abort, pause and resume threads in C#?

相关问题：

<一个HREF =http://stackoverflow.com/questions/142826/is-there-a-way-to-indefinitely-pause-a-thread>有没有办法无限期暂停一个线程？

推荐答案

在一般情况下，不要暂停（或中止）一个发 - 您无法正常告诉它在做什么，而这可能会导致各种各样的锁定问题，如一个锁没有释放，或者一个类型初始化（静态构造函数），它是。左挂

In general, don't pause (or abort) a Thread - you can't normally tell what it was doing, and this could lead to all sorts of locking issues, such as an a lock that isn't released, or a type initializer (static constructor) that is left hanging.

您可能，但是，通过更优雅的方式暂停代码 - 例如，使用的ManualResetEvent 中您的循环外部代码（在另一个线程），可以打开和关闭：

You might, however, pause code through more elegant methods - for example, using a ManualResetEvent in your loop that external code (on another thread) can open and close:

// worker loop
while(alive) {
    // if the gate is closed, wait up to 5 seconds; if still not
    // open, go back to the loop-start to re-check "alive"
    if (!gate.WaitOne(5000)) continue;

    // do work...
}

然后访问（可能是间接的），另一个线程可以暂停（重置）和resume（设置）的工人，但在知识，它只有在安全的状态下暂停。

Then another thread with access (probably indirect) can pause (Reset) and resume (Set) the worker, but in the knowledge that it only pauses in a safe state.

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重新您的评论（另一回复） - 这听起来像你有一个读写器;理想的生产者/消费者场景。我对如何写一个上限尺寸生产者/消费者这个问题一个例子（所以不会如果消费者运行慢）淹没。 - 如果不存在数据，以及生产者的块，如果有太多的消费者块

Re your comment (on another reply) - it sounds like you have a reader and writer; ideal for a producer/consumer scenario. I have a an example on this question of how to write a producer/consumer with a capped size (so it won't swamp if the consumer runs slow) - the consumer blocks if there is no data, and the producer blocks if there is too much.

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