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inc/hgl/thread/CondVar.h
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32
inc/hgl/thread/CondVar.h
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#ifndef HGL_MULTI_THREAD_CONDITION_VARIABLE_INCLUDE
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#define HGL_MULTI_THREAD_CONDITION_VARIABLE_INCLUDE
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#include<hgl/platform/Platform.h>
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namespace hgl
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{
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class ThreadMutex;
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class RWLock;
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/**
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* 条件变量
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*/
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class CondVar
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{
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void *cond_var;
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public:
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CondVar();
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virtual ~CondVar();
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bool Wait(ThreadMutex *,double time=0); ///<释放指定ThreadMutex,在条件符合后重新锁定并结束等待,0表示永久
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#if HGL_OS == HGL_OS_Windows
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bool Wait(RWLock *,double time=0,bool read=false); ///<释放指定RWLock,在条件符合后重新锁定并结束等待。(注:此函数仅在Windows 2008/Vista及更新版本中支持,Linux/BSD版不支持)
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#endif//HGL_OS == HGL_OS_Windows
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void Signal(); ///<发送一个信号,让一个等待的线程解锁
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void Broadcast(); ///<广播一个信号,让所有等待的线程都解锁
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};//class CondVar
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}//namespace hgl
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#endif//HGL_MULTI_THREAD_CONDITION_VARIABLE_INCLUDE
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