+static inline void lock_acquire(xbt_mallocator_t m)
+{
+ if (initialization_done > 1) {
+ while (atomic_flag_test_and_set(&m->lock))
+ /* nop */;
+ }
+}
+
+static inline void lock_release(xbt_mallocator_t m)
+{
+ if (initialization_done > 1)
+ atomic_flag_clear(&m->lock);
+}
+
+/**
+ * This function must be called once the framework configuration is done. If not, mallocators will never get used.
+ * Check the implementation notes in src/xbt/mallocator.c for the justification of this.
+ *
+ * For example, surf_config uses this function to tell to the mallocators that the simgrid configuration is now
+ * finished and that it can create them if not done yet */
+void xbt_mallocator_initialization_is_done(int protect)
+{
+ initialization_done = protect ? 2 : 1;
+}
+
+/** used by the module to know if it's time to activate the mallocators yet */
+static inline int xbt_mallocator_is_active(void) {
+#if SIMGRID_HAVE_MALLOCATOR
+ return initialization_done && !MC_is_active();
+#else
+ return 0;
+#endif
+}
+
+/**
+ * @brief Constructor
+ * @param size size of the internal stack: number of objects the mallocator will be able to store
+ * @param new_f function to allocate a new object of your datatype, called in @a xbt_mallocator_get() when the
+ * mallocator is empty
+ * @param free_f function to free an object of your datatype, called in @a xbt_mallocator_release() when the stack is
+ * full, and when the mallocator is freed.
+ * @param reset_f function to reinitialise an object of your datatype, called when you extract an object from the
+ * mallocator (can be NULL)
+ *
+ * Create and initialize a new mallocator for a given datatype.
+ *
+ * @return pointer to the created mallocator
+ * @see xbt_mallocator_free()
+ */
+xbt_mallocator_t xbt_mallocator_new(int size, pvoid_f_void_t new_f, void_f_pvoid_t free_f, void_f_pvoid_t reset_f)
+{