[sgen] Sleep a little while busy-waiting for the gray queue distribution.

[mono.git] / mono / metadata / sgen-gc.c

diff --git a/mono/metadata/sgen-gc.c b/mono/metadata/sgen-gc.c
index f6598272367120fb5bf72d7b7a7e75e99e08fdde..902ab986054fd58c7de6ae3926e1f48c68162c42 100644 (file)
--- a/mono/metadata/sgen-gc.c
+++ b/mono/metadata/sgen-gc.c
@@ -2811,9 +2811,10 @@ major_do_collection (const char *reason)
        time_major_scan_big_objects += TV_ELAPSED_MS (atv, btv);
 
        if (major.is_parallel) {
-               /* FIXME: don't do busy waiting here! */
-               while (!gray_object_queue_is_empty (WORKERS_DISTRIBUTE_GRAY_QUEUE))
+               while (!gray_object_queue_is_empty (WORKERS_DISTRIBUTE_GRAY_QUEUE)) {
                        workers_distribute_gray_queue_sections ();
+                       usleep (2000);
+               }
        }
        workers_change_num_working (-1);
        workers_join ();