Assert that the log categories are unique

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

diff --git a/src/xbt/log.cpp b/src/xbt/log.cpp
index 6be9068..fd8afa0 100644 (file)
--- a/src/xbt/log.cpp
+++ b/src/xbt/log.cpp
@@ -16,6 +16,7 @@
 #include <array>
 #include <mutex>
 #include <string>
+#include <unordered_set>
 #include <vector>
 
 int xbt_log_no_loc = 0; /* if set to true (with --log=no_loc), file localization will be omitted (for tesh tests) */
@@ -247,6 +248,16 @@ static void _xbt_log_cat_apply_set(xbt_log_category_t category, const xbt_log_se
   }
 }
 
+/** Asserts that the provided name is unique */
+void _xbt_log_is_name_unique(const char* name, const char* file, int line)
+{
+  static std::unordered_set<std::string> used_names;
+
+  if (used_names.find(name) != used_names.end())
+    XBT_WARN("%s:%d: log category redefined: %s", file, line, name);
+  used_names.insert(std::string(name));
+}
+
 /*
  * This gets called the first time a category is referenced and performs the initialization.
  * Also resets threshold to inherited!
@@ -254,6 +265,7 @@ static void _xbt_log_cat_apply_set(xbt_log_category_t category, const xbt_log_se
 int _xbt_log_cat_init(xbt_log_category_t category, e_xbt_log_priority_t priority)
 {
   DISABLE_XBT_LOG_CAT_INIT();
+
   if (category->initialized)
     return priority >= category->threshold;