show the problem and one silly answer

crates/re_sdk/src/log_sink.rs

@@ -42,6 +42,24 @@ pub trait LogSink: Send + Sync + 'static {
 #[derive(Default)]
 pub struct BufferedSink(parking_lot::Mutex<Vec<LogMsg>>);
 
+impl Drop for BufferedSink {
+    fn drop(&mut self) {
+        for msg in self.0.lock().iter() {
+            if !matches!(msg, LogMsg::SetStoreInfo(_)) {
+                re_log::warn!("Dropping data in BufferedSink");
+                break;
+            }
+        }
+
+        // TODO: Obviously not the right solution, but shows why and how to fix the problem:
+        eprintln!(
+            "BufferedSink forgetting {} messages to avoid GIL deadlock",
+            self.0.lock().len()
+        );
+        std::mem::forget(std::mem::take(&mut *self.0.lock()));
+    }
+}
+
 impl BufferedSink {
     /// An empty buffer.
     #[inline]
@@ -134,9 +152,16 @@ impl Drop for MemorySinkStorage {
             // warning.
             if !matches!(msg, LogMsg::SetStoreInfo(_)) {
                 re_log::warn!("Dropping data in MemorySink");
-                return;
+                break;
             }
         }
+
+        // TODO: Obviously not the right solution, but shows why and how to fix the problem:
+        eprintln!(
+            "MemorySinkStorage forgetting {} messages to avoid GIL deadlock",
+            self.msgs.read().len()
+        );
+        std::mem::forget(std::mem::take(&mut *self.msgs.write()));
     }
 }