[Nepomuk] Review Request: Client Local Socket: Check for EINTR error in socket calls

[Vishesh Handa]

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http://git.reviewboard.kde.org/r/107607/
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Review request for Nepomuk, Soprano, Sebastian Trueg, and Simeon Bird.


Description
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    Client Local Socket: Check for EINTR error in socket calls
    
    Sometimes the calls to select, read, and write return with an EINTR
    (Interrupted System call) error. The documentation says that in that
    case, one should just try again.
    
    This solves some of the mysterious bugs of the socket timing out, and
    then returning errors. I could reproduce this issue by running a large
    number of queries in parallel by the nepomuk file indexer.
    
    Also, cleaned up the SocketStream code a little bit. It no longer needs
    those extra checks in its read and write functions.


Diffs
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  client/socket.cpp 28ac163 
  client/socketstream.cpp 4db8be3 

Diff: http://git.reviewboard.kde.org/r/107607/diff/


Testing
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No more "Socket timed out error", and other problems. The errors were completely reproducible.


Thanks,

Vishesh Handa

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