Need to cancel when subdir deleted

gwr · gwr · commit 1315ec0055eb · 2026-02-23T09:36:23.000-05:00
github.com/dotnet/pull/124716#discussion_r2838974245
diff --git a/src/libraries/System.IO.FileSystem.Watcher/src/System/IO/FileSystemWatcher.SunOS.cs b/src/libraries/System.IO.FileSystem.Watcher/src/System/IO/FileSystemWatcher.SunOS.cs
@@ -526,7 +526,9 @@ private void HandleDirectoryEvent()
                 }
                 catch (DirectoryNotFoundException)
                 {
-                    // Directory was deleted
+                    // Directory was deleted; cancel this instance to prevent indefinite blocking in PortGet.
+                    // The parent watcher (if any) will raise the Deleted event.
+                    Cancel();
                     return;
                 }
                 catch (Exception ex)

Original file line number	Diff line number	Diff line change
`@@ -526,7 +526,9 @@ private void HandleDirectoryEvent()`
`526`	`526`	`}`
`527`	`527`	`catch (DirectoryNotFoundException)`
`528`	`528`	`{`
`529`		`- // Directory was deleted`
	`529`	`+ // Directory was deleted; cancel this instance to prevent indefinite blocking in PortGet.`
	`530`	`+ // The parent watcher (if any) will raise the Deleted event.`
	`531`	`+ Cancel();`
`530`	`532`	`return;`
`531`	`533`	`}`
`532`	`534`	`catch (Exception ex)`