Large-scale simulations need bigger mallocators

[simgrid.git] / src / xbt / fifo.c

diff --git a/src/xbt/fifo.c b/src/xbt/fifo.c
index a11b416..51eb9b7 100644 (file)
--- a/src/xbt/fifo.c
+++ b/src/xbt/fifo.c
@@ -36,13 +36,24 @@ xbt_fifo_t xbt_fifo_new(void)
  * Free the fifo structure. None of the objects that was in the fifo is however modified.
  */
 void xbt_fifo_free(xbt_fifo_t l)
+{
+  xbt_fifo_reset(l);
+  xbt_free(l);
+}
+
+/**
+ * \brief Makes a fifo empty.
+ * \param l a fifo
+ *
+ * None of the objects that was in the fifo is however modified.
+ */
+void xbt_fifo_reset(xbt_fifo_t l)
 {
   xbt_fifo_item_t b, tmp;
 
   for (b = xbt_fifo_get_first_item(l); b;
        tmp = b, b = b->next, xbt_fifo_free_item(tmp));
-  xbt_free(l);
-  return;
+  l->head = l->tail = NULL;
 }
 
 /** Push
@@ -509,19 +520,21 @@ xbt_fifo_item_t xbt_fifo_getPrevItem(xbt_fifo_item_t i)
  * These are internal XBT functions called by xbt_preinit/postexit().
  * It can be used several times to recreate the mallocator, for example when you switch to MC mode
  */
-void xbt_fifo_preinit(void) {
+void xbt_fifo_preinit(void)
+{
   if (item_mallocator != NULL) {
     /* Already created. I guess we want to switch to MC mode, so kill the previously created mallocator */
     xbt_mallocator_free(item_mallocator);
   }
 
-  item_mallocator = xbt_mallocator_new(256,
+  item_mallocator = xbt_mallocator_new(65536,
                                        fifo_item_mallocator_new_f,
                                        fifo_item_mallocator_free_f,
                                        fifo_item_mallocator_reset_f);
 }
 
-void xbt_fifo_postexit(void) {
+void xbt_fifo_postexit(void)
+{
   if (item_mallocator != NULL) {
     xbt_mallocator_free(item_mallocator);
     item_mallocator = NULL;