+/* Surf actions mallocator */
+static xbt_mallocator_t action_mallocator = NULL;
+static int action_mallocator_allocated_size = 0;
+static void* surf_action_mallocator_new_f(void);
+#define surf_action_mallocator_free_f xbt_free_f
+static void surf_action_mallocator_reset_f(void* action);
+
+/**
+ * \brief Initializes the action module of Surf.
+ */
+void surf_action_init(void) {
+
+ /* the action mallocator will always provide actions of the following size,
+ * so this size should be set to the maximum size of the surf action structures
+ */
+ action_mallocator_allocated_size = sizeof(s_surf_action_network_CM02_t);
+ action_mallocator = xbt_mallocator_new(65536, surf_action_mallocator_new_f,
+ surf_action_mallocator_free_f, surf_action_mallocator_reset_f);
+}
+
+/**
+ * \brief Uninitializes the action module of Surf.
+ */
+void surf_action_exit(void) {
+
+ xbt_mallocator_free(action_mallocator);
+}
+
+static void* surf_action_mallocator_new_f(void) {
+ return xbt_malloc(action_mallocator_allocated_size);
+}
+
+static void surf_action_mallocator_reset_f(void* action) {
+ memset(action, 0, action_mallocator_allocated_size);
+}
+
+void *surf_action_new(size_t size, double cost, surf_model_t model,
+ int failed)
+{
+ xbt_assert(size <= action_mallocator_allocated_size,
+ "Cannot create a surf action of size %zu: the mallocator only provides actions of size %d",
+ size, action_mallocator_allocated_size);
+
+ surf_action_t action = xbt_mallocator_get(action_mallocator);
+ action->refcount = 1;
+ action->cost = cost;
+ action->remains = cost;
+ action->priority = 1.0;
+ action->max_duration = NO_MAX_DURATION;
+ action->start = surf_get_clock();
+ action->finish = -1.0;
+ action->model_type = model;
+#ifdef HAVE_TRACING
+ action->category = NULL;
+#endif
+
+ if (failed)
+ action->state_set = model->states.failed_action_set;
+ else
+ action->state_set = model->states.running_action_set;
+
+ xbt_swag_insert(action, action->state_set);
+
+ return action;
+}
+
+e_surf_action_state_t surf_action_state_get(surf_action_t action)