Enderal SE
https://mod.pub/enderal-se/38-enderal-se
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43 lines
676 B
43 lines
676 B
#include "IReadWriteLock.h"
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IReadWriteLock::IReadWriteLock()
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{
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readCount.Set(0);
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readBlocker.UnBlock();
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writeBlocker.UnBlock();
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}
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IReadWriteLock::~IReadWriteLock()
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{
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//
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}
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void IReadWriteLock::StartRead(void)
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{
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enterBlocker.Enter();
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readBlocker.Wait();
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if(readCount.Increment() == 1)
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writeBlocker.Block();
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enterBlocker.Leave();
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}
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void IReadWriteLock::EndRead(void)
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{
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if(!readCount.Decrement())
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writeBlocker.UnBlock();
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}
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void IReadWriteLock::StartWrite(void)
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{
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writeMutex.Enter();
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enterBlocker.Enter();
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readBlocker.Block();
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writeBlocker.Wait();
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enterBlocker.Leave();
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}
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void IReadWriteLock::EndWrite(void)
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{
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readBlocker.UnBlock();
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writeMutex.Leave();
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}
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