Some minor performance improvements

Author: iivlev

bindings/cpp/include/wtf/macros.h

@@ -132,7 +132,7 @@
     static std::string                                                  \
     __WTF_INTERNAL_UNIQUE(__wtf_func_name_) {__PRETTY_FUNCTION__};      \
     do {                                                                \
-        __INTERNAL_WTF_NAMESPACE::platform::once_flag __WTF_INTERNAL_UNIQUE(__wtf_replaced_flag_); \
+        static __INTERNAL_WTF_NAMESPACE::platform::once_flag __WTF_INTERNAL_UNIQUE(__wtf_replaced_flag_); \
         __INTERNAL_WTF_NAMESPACE::platform::call_once(__WTF_INTERNAL_UNIQUE(__wtf_replaced_flag_), []() { \
                 std::replace(__WTF_INTERNAL_UNIQUE(__wtf_func_name_).begin(), \
                              __WTF_INTERNAL_UNIQUE(__wtf_func_name_).end(), ':', '#'); \

bindings/cpp/include/wtf/platform/platform_aux_pthreads_threaded_inl.h

@@ -35,7 +35,7 @@ using once_flag = struct {
 };
 
 template <class T>
-void call_once(once_flag& once, T func) {
+inline void call_once(once_flag& once, T func) {
     pthread_once(&once.flag, func);
 }
 

bindings/cpp/include/wtf/platform/platform_aux_single_threaded_inl.h

@@ -50,7 +50,7 @@ using once_flag = struct {
     bool flag {false};
 };
 template <class T>
-void call_once(once_flag& once, T func) {
+inline void call_once(once_flag& once, T func) {
     if (!once.flag) {
         once.flag = true;
         func();

bindings/cpp/include/wtf/platform/platform_aux_std_threaded_inl.h

@@ -22,7 +22,7 @@ using atomic = std::atomic<T>;
 
 using once_flag = std::once_flag;
 template <class Callable>
-void call_once(once_flag& flag, Callable&& f) {
+inline void call_once(once_flag& flag, Callable&& f) {
     std::call_once(flag, std::move(f));
 }