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MacOS embedder deadlocks on shutdown #75566

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MacOS embedder deadlocks on shutdown#75566
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P2Important issues not at the top of the work lista: desktopRunning on desktope: embedderUsers of the Embedder APIengineflutter/engine related. See also e: labels.platform-macBuilding on or for macOS specificallywaiting for PR to land (fixed)A fix is in flight
@knopp

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@knopp
knopp
opened on Feb 6, 2021

This happens when

  1. raster thread schedules swap on platform thread and waits for completion
  2. platform thread is in embedderAPI.Shutdown, which waits for raster thread to finish

The fix is straightforward, when shutting down unblocks FlutterResizeSynchronizer and keep it unblocked.

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    P2Important issues not at the top of the work lista: desktopRunning on desktope: embedderUsers of the Embedder APIengineflutter/engine related. See also e: labels.platform-macBuilding on or for macOS specificallywaiting for PR to land (fixed)A fix is in flight

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