model: add helper for allocating new UNINIT actions

[model-checker.git] / model.cc

diff --git a/model.cc b/model.cc
index 3a1a7e2315128d88a0679b1a047d67593ae37906..771847ab35d0da14ba6c0b023bb54e0f31a78d19 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <algorithm>
 #include <mutex>
+#include <new>
 
 #include "model.h"
 #include "action.h"
@@ -2523,6 +2524,19 @@ bool ModelChecker::sleep_can_read_from(ModelAction * curr, const ModelAction *wr
        }
 }
 
+/**
+ * @brief Create a new action representing an uninitialized atomic
+ * @param location The memory location of the atomic object
+ * @return A pointer to a new ModelAction
+ */
+ModelAction * ModelChecker::new_uninitialized_action(void *location) const
+{
+       ModelAction *act = (ModelAction *)snapshot_malloc(sizeof(class ModelAction));
+       act = new (act) ModelAction(ATOMIC_UNINIT, std::memory_order_relaxed, location, 0, model_thread);
+       act->create_cv(NULL);
+       return act;
+}
+
 static void print_list(action_list_t *list, int exec_num = -1)
 {
        action_list_t::iterator it;