annotate S_ithread_count_inc mutex use

No warnings issued, but a clear case for annotations.

diff --git a/dist/threads/threads.xs b/dist/threads/threads.xs
index 10b0d9f..6c337ac 100644 (file)
--- a/dist/threads/threads.xs
+++ b/dist/threads/threads.xs
@@ -327,6 +327,7 @@ S_ithread_free(pTHX_ ithread *thread)
 
 static void
 S_ithread_count_inc(pTHX_ ithread *thread)
+  PERL_TSA_EXCLUDES(thread->mutex)
 {
     MUTEX_LOCK(&thread->mutex);
     thread->count++;