[PR] Fix hang [guacamole-server]

["mike-jumper (via GitHub)" <gi...@apache.org>]

mike-jumper opened a new pull request, #693:
URL: https://github.com/apache/guacamole-server/pull/693

   This change corrects a set of issues that could produce the behavior described on GUACAMOLE-2118, mainly:
   
   * `guac_display_frame_complete()` could loop infinitely when dealing with external buffers.
   * Layers that were freed could still be referenced by unflushed ops. If that happens, the flushed frame could contain garbage.


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Re: [PR] GUACAMOLE-2118: Correct non-deterministic hanging behavior encountered in guac_display. [guacamole-server]

["necouchman (via GitHub)" <gi...@apache.org>]

necouchman merged PR #693:
URL: https://github.com/apache/guacamole-server/pull/693


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