BUG: System.TMonitor 作为同步对象时可能会产生异常

shadowstar 2011-05-24 09:52:34

经过数日折磨之后终于确定是TMonitor存在BUG @_@，问题主要来自于Wait和Pulse这组函数。

因为Generics.Collections.TThreadedQueue同样使用了TMonitor来同步，所以TThreadedQueue也有BUG。

Classes.TThreadList也使用TMonitor，不过因为里面没有用到Wait函数，所以并TThreadList可以正常使用。

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shadowstar 2011-05-25

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只要在多线程环境下使用了Wait和Pulse函数都容易出错，目前没发现只使用Enter和Exit的情况下出错，不过还是尽量不要使用TMonitor，而用其它阻塞对象或WINAPI代替。

bdmh 2011-05-25

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什么意思，你发现什么bug了，声明情况下会无效

用来查看CPU实时频率，可以用来监控睿频的实时频率

Delphi 源代码多线程同步共享锁 TMonitor 示例

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delphi线程监视器System.TMonitor 线程的监视器System.TMonitor：关于System.TMonitor及Pulse和Wait： 1、Wait将完全原子释放锁（不管递归计数如何），并阻塞调用线程直到另一个线程调用Pulse或PulseAll点亮全局脉冲信号灯。第一次重载等待函数Wait将假定assume存在锁定的对象locked object...

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