Retire runners that are cancelled before they start

2026-09-05 09:58:04 +02:00
parent e5cd3381ac
commit f8470630be
2 changed files with 6 additions and 4 deletions
@@ -191,12 +191,14 @@ public sealed class LimitedConcurrencyLibraryScheduler : ILimitedConcurrencyLibr

                // Keyed on its own stop source, because cancelling that is what reaches the linked
                // source the runner waits on. Cancellation does not travel the other way.
+                // Started without the runner's own token: a task cancelled before it is scheduled
+                // never runs its body, so it would never take itself out of _taskRunners again.
                _taskRunners.Add(
                    stopToken,
                    Task.Factory.StartNew(
                        ItemWorker,
                        (stopToken, combinedSource),
-                        combinedSource.Token,
+                        CancellationToken.None,
                        TaskCreationOptions.PreferFairness,
                        TaskScheduler.Default));
            }