Minor changes to tests; fix typo; tidy up.

server/core/buffer.c

@@ -277,8 +277,6 @@ return_clonebuf:
 GWBUF	*
 gwbuf_append(GWBUF *head, GWBUF *tail)
 {
-GWBUF	*ptr = head;
-        
 	if (!head)
 		return tail;
         CHK_GWBUF(head);

server/core/config.c

@@ -131,7 +131,7 @@ CONFIG_PARAMETER	*param, *p1;
 		ptr->element = NULL;
 		cntxt->next = ptr;
 	}
-	/* Check to see if the paramter already exists for the section */
+	/* Check to see if the parameter already exists for the section */
 	p1 = ptr->parameters;
 	while (p1)
 	{

server/core/spinlock.c

@@ -128,7 +128,7 @@ spinlock_release(SPINLOCK *lock)
         lock->max_waiting = lock->waiting;
 #endif
 #ifdef __GNUC__
-    __sync_synchronize(); // Memory barrier.
+    __sync_synchronize(); /* Memory barrier. */
     lock->lock = 0;
 #else
     atomic_add(&(lock->lock), -1);

server/core/test/testspinlock.c

@@ -135,7 +135,7 @@ struct timespec sleeptime;
  * Start multiple threads that obtain spinlock and run process bound
  */
 #define THREADS 5
-#define ITERATIONS 25000
+#define ITERATIONS 50000
 #define PROCESS_LOOP 10000
 #define SECONDS 15
 #define NANOTIME 100000
@@ -184,7 +184,7 @@ time_t          rawtime;
         }
         active = 0;
         spinlock_release(&lck);
-        for (i=0; i<(8*PROCESS_LOOP); i++);
+        for (i=0; i<(4*PROCESS_LOOP); i++);
         // nanosleep(&sleeptime, NULL);
     }
     spinlock_release(&lck);