它是安全阅读并通过不同的线程同时写入到串行端口？ [英] Is it safe to read and write to a serial port at the same time via different threads?

问题描述

它是安全的读取和通过不同的线程（一个读线程和一个写线程），同时写入到串行端口？难道有必要添加锁定围绕读/每个线程写？

Is it safe to read and write to a serial port at the same time via different threads (one read thread and one write thread)? Would it be necessary to add locking around reading/writing in each thread?

推荐答案

从的的SerialPort ：

任何公共static这种类型的成员（在Visual Basic中的Shared）是线程安全的。所有实例成员都不能保证线程安全的。

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

由于读取和写入不是静态的，他们就不会是线程安全的。这是一个非常糟糕的主意，在任何情况下，由于SerialPort类保持你内部缓冲区。

Since Read and Write are not static, they would not be threadsafe. It's a very bad idea, in any case, since the SerialPort class maintains internal buffers for you.

您需要将您的I / O同步到串行端口。

You'll need to synchronize your I/O to your serial port.

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