medfall

commit 8d3a7209d7bc3cf95d154713509e16986003c729
parent 47af84a1539d9bad52b4c60eb78b0cd3efbd52e2
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Wed,  8 Nov 2017 19:22:57 +0200

Oops in MPSC

Diffstat:
mpsc.h
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mpsc.h b/mpsc.h
@@ -60,7 +60,7 @@ public:
 			return false;
 
 		*x = node->data( $ );
-		reader_pos( $ ) = r + 1;
+		reader_pos( $ ) = ( r + 1 ) & COUNTER_MASK;
 		store_release( &node->seq, ( ( r + N ) & COUNTER_MASK ) | EMPTY_BIT );
 
 		return true;