30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 8f6c59829bb84edc66ce0edb0a4d5b7335a941c6 Mon Sep 17 00:00:00 2001
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From: Josef Fruehwirth <fruehwirth@gmail.com>
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Date: Sat, 18 Aug 2012 14:07:04 +0200
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Subject: [PATCH] Retry m_port->Read(..) if an EINTR errror occurs instead of
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closing the connection.
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---
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src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp b/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
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index 70e45ac..3fc05eb 100644
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--- a/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
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+++ b/src/lib/adapter/Pulse-Eight/USBCECAdapterCommunication.cpp
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@@ -393,7 +393,11 @@ bool CUSBCECAdapterCommunication::ReadFromDevice(uint32_t iTimeout, size_t iSize
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if (!IsOpen())
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return false;
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- iBytesRead = m_port->Read(buff, sizeof(uint8_t) * iSize, iTimeout);
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+ do {
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+ /* retry Read() if it was interrupted */
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+ iBytesRead = m_port->Read(buff, sizeof(uint8_t) * iSize, iTimeout);
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+ } while(m_port->GetErrorNumber() == EINTR);
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+
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if (m_port->GetErrorNumber())
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{
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--
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1.7.10
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