+#define LOCK(mdp) pthread_mutex_lock(&mdp->mutex)
+#define UNLOCK(mdp) pthread_mutex_unlock(&mdp->mutex)
+
+static inline int mmalloc_get_increment(malloc_info* heapinfo) {
+ if (heapinfo->type < 0) {
+ return heapinfo->free_block.size;
+ } else if (heapinfo->type == 0) {
+ return heapinfo->busy_block.size;
+ } else {
+ return 1;
+ }
+}