Issue #6367: The viewer would hang on exit if still connected to a plugin. Updates how the viewer dispatches coroutines to the main thread and removes an extraneous wait, that was incorrectly serializing asynchronous messages.

1 files changed, 10 insertions, 0 deletions

diff --git a/indra/llcommon/workqueue.h b/indra/llcommon/workqueue.h
index 69f3286c1b..322baa36e6 100644
--- a/indra/llcommon/workqueue.h
+++ b/indra/llcommon/workqueue.h
@@ -265,6 +265,16 @@ namespace LL
          */
         bool tryPost(const Work&) override;
 
+        /**
+         * @brief Post work to the well-known main-loop queue without blocking
+         * @return true if posted, false if the main loop is gone or its
+         *         queue is closed/full
+         *
+         * For callers on a secondary thread that must not block waiting for
+         * the main thread (e.g. a websocket I/O thread).
+         */
+        static bool postToMainLoop(const Work& work);
+
     private:
         using Queue = LLThreadSafeQueue<Work>;
         Queue mQueue;