X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=mpmc-queue%2Fmpmc-queue.h;h=47af8eab37b7509ca8e257e118c5b7e38ec8278a;hb=5ab6d890042234648c0baec333ed65e90ca055cf;hp=918415fa99278e0a8cc3d47622f84de00749445c;hpb=e2f231b345801a670b9e817c1248c7ae53bdd96d;p=model-checker-benchmarks.git

diff --git a/mpmc-queue/mpmc-queue.h b/mpmc-queue/mpmc-queue.h
index 918415f..47af8ea 100644
--- a/mpmc-queue/mpmc-queue.h
+++ b/mpmc-queue/mpmc-queue.h
@@ -34,7 +34,7 @@ public:
 			wr = rdwr & 0xFFFF;
 
 			if ( wr == rd ) // empty
-				return false;
+				return NULL;
 
 			if ( m_rdwr.compare_exchange_weak(rdwr,rdwr+(1<<16),mo_acq_rel) )
 				break;