diff options
Diffstat (limited to 'contrib/libc++/include/__mutex_base')
| -rw-r--r-- | contrib/libc++/include/__mutex_base | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/contrib/libc++/include/__mutex_base b/contrib/libc++/include/__mutex_base index 21638ee..3b2453f 100644 --- a/contrib/libc++/include/__mutex_base +++ b/contrib/libc++/include/__mutex_base @@ -16,10 +16,15 @@ #include <system_error> #include <__threading_support> + #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + + _LIBCPP_BEGIN_NAMESPACE_STD #ifndef _LIBCPP_HAS_NO_THREADS @@ -34,7 +39,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD class _LIBCPP_TYPE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(capability("mutex")) mutex { -#ifndef _LIBCPP_HAS_NO_CONSTEXPR +#ifndef _LIBCPP_CXX03_LANG __libcpp_mutex_t __m_ = _LIBCPP_MUTEX_INITIALIZER; #else __libcpp_mutex_t __m_; @@ -42,8 +47,8 @@ class _LIBCPP_TYPE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(capability("mutex")) mut public: _LIBCPP_INLINE_VISIBILITY -#ifndef _LIBCPP_HAS_NO_CONSTEXPR - constexpr mutex() _NOEXCEPT = default; +#ifndef _LIBCPP_CXX03_LANG + constexpr mutex() = default; #else mutex() _NOEXCEPT {__m_ = (__libcpp_mutex_t)_LIBCPP_MUTEX_INITIALIZER;} #endif @@ -62,11 +67,14 @@ public: _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;} }; +static_assert(is_nothrow_default_constructible<mutex>::value, + "the default constructor for std::mutex must be nothrow"); + struct _LIBCPP_TYPE_VIS defer_lock_t {}; struct _LIBCPP_TYPE_VIS try_to_lock_t {}; struct _LIBCPP_TYPE_VIS adopt_lock_t {}; -#if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX) +#if defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_MUTEX) extern const defer_lock_t defer_lock; extern const try_to_lock_t try_to_lock; @@ -80,21 +88,9 @@ constexpr adopt_lock_t adopt_lock = adopt_lock_t(); #endif - -// Forward declare lock_guard as a variadic template even in C++03 to keep -// the mangling consistent between dialects. -#if defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD) -template <class ..._Mutexes> -class _LIBCPP_TEMPLATE_VIS lock_guard; -#endif - template <class _Mutex> class _LIBCPP_TEMPLATE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(scoped_lockable) -#if !defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD) lock_guard -#else -lock_guard<_Mutex> -#endif { public: typedef _Mutex mutex_type; @@ -162,7 +158,7 @@ private: unique_lock& operator=(unique_lock const&); // = delete; public: -#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES +#ifndef _LIBCPP_CXX03_LANG _LIBCPP_INLINE_VISIBILITY unique_lock(unique_lock&& __u) _NOEXCEPT : __m_(__u.__m_), __owns_(__u.__owns_) @@ -179,7 +175,7 @@ public: return *this; } -#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES +#endif // _LIBCPP_CXX03_LANG void lock(); bool try_lock(); @@ -291,7 +287,7 @@ _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(cv_status) class _LIBCPP_TYPE_VIS condition_variable { -#ifndef _LIBCPP_HAS_NO_CONSTEXPR +#ifndef _LIBCPP_CXX03_LANG __libcpp_condvar_t __cv_ = _LIBCPP_CONDVAR_INITIALIZER; #else __libcpp_condvar_t __cv_; @@ -299,7 +295,7 @@ class _LIBCPP_TYPE_VIS condition_variable public: _LIBCPP_INLINE_VISIBILITY -#ifndef _LIBCPP_HAS_NO_CONSTEXPR +#ifndef _LIBCPP_CXX03_LANG constexpr condition_variable() _NOEXCEPT = default; #else condition_variable() _NOEXCEPT {__cv_ = (__libcpp_condvar_t)_LIBCPP_CONDVAR_INITIALIZER;} @@ -316,20 +312,24 @@ public: void wait(unique_lock<mutex>& __lk) _NOEXCEPT; template <class _Predicate> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS void wait(unique_lock<mutex>& __lk, _Predicate __pred); template <class _Clock, class _Duration> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS cv_status wait_until(unique_lock<mutex>& __lk, const chrono::time_point<_Clock, _Duration>& __t); template <class _Clock, class _Duration, class _Predicate> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS bool wait_until(unique_lock<mutex>& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred); template <class _Rep, class _Period> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS cv_status wait_for(unique_lock<mutex>& __lk, const chrono::duration<_Rep, _Period>& __d); @@ -435,4 +435,6 @@ condition_variable::wait_for(unique_lock<mutex>& __lk, _LIBCPP_END_NAMESPACE_STD +_LIBCPP_POP_MACROS + #endif // _LIBCPP___MUTEX_BASE |
