Retry m_port->Read(..) if an EINTR errror occurs instead of closing the connection...

[deb_libcec.git] / src / lib / adapter / Pulse-Eight / USBCECAdapterCommunication.cpp

diff --git a/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp b/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
index 80f7714a3af1f9651476d143257598ede46ca8c1..ae4c8ac60ebdc210e7706af77d55fac74dcf0bd5 100644 (file)
--- a/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
+++ b/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
@@ -393,7 +393,11 @@ bool CUSBCECAdapterCommunication::ReadFromDevice(uint32_t iTimeout, size_t iSize
     if (!IsOpen())
       return false;
 
-    iBytesRead = m_port->Read(buff, sizeof(uint8_t) * iSize, iTimeout);
+    do {
+      /* retry Read() if it was interrupted */
+      iBytesRead = m_port->Read(buff, sizeof(uint8_t) * iSize, iTimeout);
+    } while(m_port->GetErrorNumber() == EINTR);
+
 
     if (m_port->GetErrorNumber())
     {