From 662bd78aa4a3ce4348c0731b94de78aa2bb51797 Mon Sep 17 00:00:00 2001
From: leitner <leitner>
Date: Fri, 24 Feb 2012 02:26:11 +0000
Subject: [PATCH] fix return value

---
 CAS.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CAS.h b/CAS.h
index b7680c0..b4a1c07 100644
--- a/CAS.h
+++ b/CAS.h
@@ -16,7 +16,7 @@
 /* if (*x == oldval) { *x=newval; return 1; } else return 0; */
 static inline int compare_and_swap(volatile size_t* x,size_t oldval,size_t newval) {
 #ifdef USE_BUILTINS
-  __sync_bool_compare_and_swap(x,oldval,newval);
+  return __sync_bool_compare_and_swap(x,oldval,newval);
 #elif defined(__i386__)
   char result;
   asm volatile ("lock; cmpxchgl %3, %0; setz %1" : "=m"(*x), "=q" (result) : "m" (*x), "r" (newval), "a" (oldval) : "memory");
@@ -46,7 +46,7 @@ static inline void atomic_add(size_t* x,size_t val) {
 /* return *x += val; */
 static inline size_t atomic_add_return(size_t* x,size_t val) {
 #ifdef USE_BUILTINS
-  __sync_add_and_fetch(x,val);
+  return __sync_add_and_fetch(x,val);
 #elif defined(__i386__)
   size_t i = val;
   asm volatile ("lock; xaddl %1, %0" : "+m" (*x), "+r" (val) :: "memory" );