From: Josef Fruehwirth <fruehwirth@gmail.com>
Date: Sat, 18 Aug 2012 12:07:04 +0000 (+0200)
Subject: Retry m_port->Read(..) if an EINTR errror occurs instead of closing the connection... 
X-Git-Tag: upstream/2.2.0~1^2~18^2^2~11
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=1e597e6c181faa24f0ae2170224832c174e749a4;p=deb_libcec.git

Retry m_port->Read(..) if an EINTR errror occurs instead of closing the connection. closes #38
---

diff --git a/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp b/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
index 80f7714..ae4c8ac 100644
--- 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())
     {