System call recv() failed with EAGAIN which causes connection disconnect with application

Solution In Progress - Updated -

Issue

Customer is seeing unexpected behavior on a Unix domain socket that is created by socketpair(), where an EAGAIN error is returned after system call recv().

This is causing a communication link failure with a third party application. System call recv() failed returning EAGAIN. The expected behaviour is that the socket remain open.

Environment

  • Red Hat Enterprise Linux 6.9
    • (observed but not limited to)

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