Add powerset_iterator to simgrid::xbt

[simgrid.git] / src / xbt / dict.cpp

diff --git a/src/xbt/dict.cpp b/src/xbt/dict.cpp
index 614d6b7..f1e73d3 100644 (file)
--- a/src/xbt/dict.cpp
+++ b/src/xbt/dict.cpp
@@ -8,7 +8,6 @@
 #include "xbt/dict.h"
 #include "dict_private.h"
 #include "simgrid/Exception.hpp"
-#include "src/xbt/xbt_modinter.h"
 #include "xbt/ex.h"
 #include "xbt/log.h"
 #include "xbt/mallocator.h"
@@ -18,6 +17,7 @@
 #include <algorithm>
 #include <cstdio>
 #include <cstring>
+#include <mutex>
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict, xbt, "Dictionaries provide the same functionalities as hash tables");
 
@@ -33,6 +33,8 @@ static void xbt_dict_postexit()
 }
 static void xbt_dict_preinit()
 {
+  static std::mutex init_mutex;
+  const std::scoped_lock lock(init_mutex);
   if (dict_elm_mallocator == nullptr) {
     dict_elm_mallocator =
         xbt_mallocator_new(256, dict_elm_mallocator_new_f, dict_elm_mallocator_free_f, dict_elm_mallocator_reset_f);