Fix potential memory leak in UI #18593
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We report download progress to UI when downloading outputs from remote cache. UI thread keeps track of active downloads. There are two cases the UI thread could leak memory: 1. If we failed to close the output stream, the `reporter.finished()` will never be called, prevent UI thread from releasing the active download. This is fixed by calling `reporter.finished()` in `finally` block. 2. Normally, UI thread stops after `BuildCompleted` event. However, if we have background download after build is completed, UI thread is not stopped to continue printing out download progress. But after all downloads are done, we forgot to stop the UI thread, resulting all referenced objects leaked. This is fixed by calling `checkActivities()` for every download progress. Fixes bazelbuild#18145. Closes bazelbuild#18593. PiperOrigin-RevId: 539923685 Change-Id: I7e2887035e540b39e382ab5fcbc06bad03b10427
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iancha1992
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We report download progress to UI when downloading outputs from remote cache. UI thread keeps track of active downloads. There are two cases the UI thread could leak memory: 1. If we failed to close the output stream, the `reporter.finished()` will never be called, prevent UI thread from releasing the active download. This is fixed by calling `reporter.finished()` in `finally` block. 2. Normally, UI thread stops after `BuildCompleted` event. However, if we have background download after build is completed, UI thread is not stopped to continue printing out download progress. But after all downloads are done, we forgot to stop the UI thread, resulting all referenced objects leaked. This is fixed by calling `checkActivities()` for every download progress. Fixes #18145. Closes #18593. PiperOrigin-RevId: 539923685 Change-Id: I7e2887035e540b39e382ab5fcbc06bad03b10427 Co-authored-by: Chi Wang <[email protected]>
traversaro
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Jun 24, 2023
We report download progress to UI when downloading outputs from remote cache. UI thread keeps track of active downloads. There are two cases the UI thread could leak memory: 1. If we failed to close the output stream, the `reporter.finished()` will never be called, prevent UI thread from releasing the active download. This is fixed by calling `reporter.finished()` in `finally` block. 2. Normally, UI thread stops after `BuildCompleted` event. However, if we have background download after build is completed, UI thread is not stopped to continue printing out download progress. But after all downloads are done, we forgot to stop the UI thread, resulting all referenced objects leaked. This is fixed by calling `checkActivities()` for every download progress. Fixes bazelbuild#18145. Closes bazelbuild#18593. PiperOrigin-RevId: 539923685 Change-Id: I7e2887035e540b39e382ab5fcbc06bad03b10427
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We report download progress to UI when downloading outputs from remote cache. UI thread keeps track of active downloads. There are two cases the UI thread could leak memory:
reporter.finished()will never be called, prevent UI thread from releasing the active download. This is fixed by callingreporter.finished()infinallyblock.BuildCompletedevent. However, if we have background download after build is completed, UI thread is not stopped to continue printing out download progress. But after all downloads are done, we forgot to stop the UI thread, resulting all referenced objects leaked. This is fixed by callingcheckActivities()for every download progress.Fixes #18145.