(ModbusTCPCore): исправил ошибку в обработке возвращаемого значения

f1f55d9f · Pavel Vainerman · 0ddd3ad8 · f1f55d9f
Commit f1f55d9f authored Mar 21, 2016 by Pavel Vainerman
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ModbusTCPCore.cc src/Communications/Modbus/ModbusTCPCore.cc +1 -1

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--- a/src/Communications/Modbus/ModbusTCPCore.cc
+++ b/src/Communications/Modbus/ModbusTCPCore.cc
@@ -130,7 +130,7 @@ size_t ModbusTCPCore::getDataFD( int fd, std::queue<unsigned char>& qrecv,

 		size_t ret = ModbusTCPCore::readDataFD(fd, qrecv, len, attempts);

-		if( ret == 0 )
+		if( ret == 0 && qrecv.empty() )
 			return 0;
 	}