49 lines
741 B
C++
49 lines
741 B
C++
#include "IEvent.h"
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IEvent::IEvent()
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{
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theEvent = CreateEvent(NULL, true, true, NULL);
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ASSERT(theEvent);
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blockCount.Set(0);
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}
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IEvent::~IEvent()
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{
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CloseHandle(theEvent);
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}
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bool IEvent::Block(void)
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{
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if(blockCount.Increment() == 1)
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return (ResetEvent(theEvent) != 0);
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else
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return true;
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}
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bool IEvent::UnBlock(void)
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{
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if(blockCount.Decrement() == 0)
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return (SetEvent(theEvent) != 0);
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else
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return true;
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}
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bool IEvent::Wait(UInt32 timeout)
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{
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switch(WaitForSingleObject(theEvent, timeout))
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{
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case WAIT_ABANDONED:
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HALT("IEvent::Wait: got abandoned event");
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return false;
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case WAIT_OBJECT_0:
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return true;
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default:
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case WAIT_TIMEOUT:
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gLog.FormattedMessage("IEvent::Wait: timeout");
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return false;
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}
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}
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