Avoid deadlock in trackscheme

mastodon-sc / mastodon

Mastodon – a large-scale tracking and track-editing framework for large, multi-view images.

BSD 2-Clause "Simplified" License

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Closed ksugar closed 3 years ago

ksugar commented 3 years ago

This PR is for avoiding deadlock in trackscheme.

Opening the TrackScheme window while programmatically generating spots or links can cause a deadlock.

graphRebuiilt() might require writeLock because it affects Vertex and Edge models
JScrollBar.setValues() inside readLock can cause a deadlock

tinevez commented 3 years ago

How to reproduce the problem this PR fixes:

Open a project (relatively huge one is better)
Run [Plugins > Tracking > Detection...] with a low threshold value to generate a lot of spots (so that we can open the trackscheme during processing)
Open a trackscheme