diff options
| author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-10-08 00:44:12 +0000 |
|---|---|---|
| committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-10-08 00:44:12 +0000 |
| commit | 7746395bf4adaf161ab72b1111efc21f938e587b (patch) | |
| tree | 223378819d65a4a1a8fd8097258e549d4a14ed6f /libstdc++-v3/include/std/mutex | |
| parent | 888a3210cd1aa01e0e845e2802561e7138340313 (diff) | |
| download | ppe42-gcc-7746395bf4adaf161ab72b1111efc21f938e587b.tar.gz ppe42-gcc-7746395bf4adaf161ab72b1111efc21f938e587b.zip | |
2010-10-08 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/45893
* include/std/functional (bind): Implement DR 817 and add support
for volatile-qualified call wrappers.
* include/std/mutex (call_once): Implement DR 891.
* include/std/thread (thread::thread): Implement DR 929.
* include/std/future: Optimise use of std::bind.
* testsuite/20_util/bind/cv_quals.cc: Test volatile-qualification.
* testsuite/20_util/bind/move.cc: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165144 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/include/std/mutex')
| -rw-r--r-- | libstdc++-v3/include/std/mutex | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libstdc++-v3/include/std/mutex b/libstdc++-v3/include/std/mutex index b236f0db91d..c11ddd44668 100644 --- a/libstdc++-v3/include/std/mutex +++ b/libstdc++-v3/include/std/mutex @@ -690,7 +690,7 @@ namespace std template<typename _Callable, typename... _Args> friend void - call_once(once_flag& __once, _Callable __f, _Args&&... __args); + call_once(once_flag& __once, _Callable&& __f, _Args&&... __args); }; #ifdef _GLIBCXX_HAVE_TLS @@ -718,15 +718,17 @@ namespace std /// call_once template<typename _Callable, typename... _Args> void - call_once(once_flag& __once, _Callable __f, _Args&&... __args) + call_once(once_flag& __once, _Callable&& __f, _Args&&... __args) { #ifdef _GLIBCXX_HAVE_TLS - auto __bound_functor = std::bind<void>(__f, __args...); + auto __bound_functor = std::bind<void>(std::forward<_Callable>(__f), + std::forward<_Args>(__args)...); __once_callable = &__bound_functor; __once_call = &__once_call_impl<decltype(__bound_functor)>; #else unique_lock<mutex> __functor_lock(__get_once_mutex()); - __once_functor = std::bind<void>(__f, __args...); + __once_functor = std::bind<void>(std::forward<_Callable>(__f), + std::forward<_Args>(__args)...); __set_once_functor_lock_ptr(&__functor_lock); #endif |
