--- http_main.c.old	Mon Aug 23 16:13:03 1999
+++ http_main.c	Mon Aug 23 16:12:18 1999
@@ -472,7 +472,16 @@
 }
 #endif
 
-#if defined (USE_USLOCK_SERIALIZED_ACCEPT)
+/* Changed by Steve Molloy to force multiple processes to call accept on the same
+ * socket at the same time for linux scalability testing. */
+#ifdef (NO_SERIALIZED_ACCEPT)
+
+#define accept_mutex_child_init(x)
+#define accept_mutex_init(x)
+#define accept_mutex_on()
+#define accept_mutex_off()
+
+#elif defined (USE_USLOCK_SERIALIZED_ACCEPT)
 
 #include <ulocks.h>