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-rw-r--r--system/include/libcxx/mutex86
1 files changed, 46 insertions, 40 deletions
diff --git a/system/include/libcxx/mutex b/system/include/libcxx/mutex
index 297baca5..ee20f021 100644
--- a/system/include/libcxx/mutex
+++ b/system/include/libcxx/mutex
@@ -20,7 +20,7 @@ namespace std
class mutex
{
public:
- mutex();
+ constexpr mutex() noexcept;
~mutex();
mutex(const mutex&) = delete;
@@ -44,7 +44,7 @@ public:
recursive_mutex& operator=(const recursive_mutex&) = delete;
void lock();
- bool try_lock();
+ bool try_lock() noexcept;
void unlock();
typedef pthread_mutex_t* native_handle_type;
@@ -79,7 +79,7 @@ public:
recursive_timed_mutex& operator=(const recursive_timed_mutex&) = delete;
void lock();
- bool try_lock();
+ bool try_lock() noexcept;
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
@@ -114,9 +114,9 @@ class unique_lock
{
public:
typedef Mutex mutex_type;
- unique_lock();
+ unique_lock() noexcept;
explicit unique_lock(mutex_type& m);
- unique_lock(mutex_type& m, defer_lock_t);
+ unique_lock(mutex_type& m, defer_lock_t) noexcept;
unique_lock(mutex_type& m, try_to_lock_t);
unique_lock(mutex_type& m, adopt_lock_t);
template <class Clock, class Duration>
@@ -128,8 +128,8 @@ public:
unique_lock(unique_lock const&) = delete;
unique_lock& operator=(unique_lock const&) = delete;
- unique_lock(unique_lock&& u);
- unique_lock& operator=(unique_lock&& u);
+ unique_lock(unique_lock&& u) noexcept;
+ unique_lock& operator=(unique_lock&& u) noexcept;
void lock();
bool try_lock();
@@ -141,16 +141,16 @@ public:
void unlock();
- void swap(unique_lock& u);
- mutex_type* release();
+ void swap(unique_lock& u) noexcept;
+ mutex_type* release() noexcept;
- bool owns_lock() const;
- explicit operator bool () const;
- mutex_type* mutex() const;
+ bool owns_lock() const noexcept;
+ explicit operator bool () const noexcept;
+ mutex_type* mutex() const noexcept;
};
template <class Mutex>
- void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y);
+ void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y) noexcept;
template <class L1, class L2, class... L3>
int try_lock(L1&, L2&, L3&...);
@@ -159,7 +159,7 @@ template <class L1, class L2, class... L3>
struct once_flag
{
- constexpr once_flag();
+ constexpr once_flag() noexcept;
once_flag(const once_flag&) = delete;
once_flag& operator=(const once_flag&) = delete;
@@ -179,7 +179,11 @@ template<class Callable, class ...Args>
#include <tuple>
#endif
+#include <__undef_min_max>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
+#endif
_LIBCPP_BEGIN_NAMESPACE_STD
@@ -197,8 +201,8 @@ private:
public:
void lock();
- bool try_lock();
- void unlock();
+ bool try_lock() _NOEXCEPT;
+ void unlock() _NOEXCEPT;
typedef pthread_mutex_t* native_handle_type;
_LIBCPP_INLINE_VISIBILITY
@@ -220,14 +224,14 @@ private:
public:
void lock();
- bool try_lock();
+ bool try_lock() _NOEXCEPT;
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
bool try_lock_for(const chrono::duration<_Rep, _Period>& __d)
{return try_lock_until(chrono::steady_clock::now() + __d);}
template <class _Clock, class _Duration>
bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t);
- void unlock();
+ void unlock() _NOEXCEPT;
};
template <class _Clock, class _Duration>
@@ -263,14 +267,14 @@ private:
public:
void lock();
- bool try_lock();
+ bool try_lock() _NOEXCEPT;
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
bool try_lock_for(const chrono::duration<_Rep, _Period>& __d)
{return try_lock_until(chrono::steady_clock::now() + __d);}
template <class _Clock, class _Duration>
bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t);
- void unlock();
+ void unlock() _NOEXCEPT;
};
template <class _Clock, class _Duration>
@@ -421,25 +425,27 @@ lock(_L0& __l0, _L1& __l1, _L2& __l2, _L3& ...__l3)
#endif // _LIBCPP_HAS_NO_VARIADICS
-struct once_flag;
+struct _LIBCPP_VISIBLE once_flag;
#ifndef _LIBCPP_HAS_NO_VARIADICS
template<class _Callable, class... _Args>
- void call_once(once_flag&, _Callable&&, _Args&&...);
+_LIBCPP_INLINE_VISIBILITY
+void call_once(once_flag&, _Callable&&, _Args&&...);
#else // _LIBCPP_HAS_NO_VARIADICS
template<class _Callable>
- void call_once(once_flag&, _Callable);
+_LIBCPP_INLINE_VISIBILITY
+void call_once(once_flag&, _Callable);
#endif // _LIBCPP_HAS_NO_VARIADICS
struct _LIBCPP_VISIBLE once_flag
{
_LIBCPP_INLINE_VISIBILITY
- // constexpr
- once_flag() {}
+ _LIBCPP_CONSTEXPR
+ once_flag() _NOEXCEPT : __state_(0) {}
private:
once_flag(const once_flag&); // = delete;
@@ -460,23 +466,23 @@ private:
#ifndef _LIBCPP_HAS_NO_VARIADICS
-template <class _F>
+template <class _Fp>
class __call_once_param
{
- _F __f_;
+ _Fp __f_;
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
- explicit __call_once_param(_F&& __f) : __f_(_VSTD::move(__f)) {}
+ explicit __call_once_param(_Fp&& __f) : __f_(_VSTD::move(__f)) {}
#else
_LIBCPP_INLINE_VISIBILITY
- explicit __call_once_param(const _F& __f) : __f_(__f) {}
+ explicit __call_once_param(const _Fp& __f) : __f_(__f) {}
#endif
_LIBCPP_INLINE_VISIBILITY
void operator()()
{
- typedef typename __make_tuple_indices<tuple_size<_F>::value, 1>::type _Index;
+ typedef typename __make_tuple_indices<tuple_size<_Fp>::value, 1>::type _Index;
__execute(_Index());
}
@@ -491,17 +497,17 @@ private:
#else
-template <class _F>
+template <class _Fp>
class __call_once_param
{
- _F __f_;
+ _Fp __f_;
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
- explicit __call_once_param(_F&& __f) : __f_(_VSTD::move(__f)) {}
+ explicit __call_once_param(_Fp&& __f) : __f_(_VSTD::move(__f)) {}
#else
_LIBCPP_INLINE_VISIBILITY
- explicit __call_once_param(const _F& __f) : __f_(__f) {}
+ explicit __call_once_param(const _Fp& __f) : __f_(__f) {}
#endif
_LIBCPP_INLINE_VISIBILITY
@@ -513,11 +519,11 @@ public:
#endif
-template <class _F>
+template <class _Fp>
void
__call_once_proxy(void* __vp)
{
- __call_once_param<_F>* __p = static_cast<__call_once_param<_F>*>(__vp);
+ __call_once_param<_Fp>* __p = static_cast<__call_once_param<_Fp>*>(__vp);
(*__p)();
}
@@ -530,12 +536,12 @@ inline _LIBCPP_INLINE_VISIBILITY
void
call_once(once_flag& __flag, _Callable&& __func, _Args&&... __args)
{
- if (__builtin_expect(__flag.__state_ , ~0ul) != ~0ul)
+ if (__flag.__state_ != ~0ul)
{
- typedef tuple<typename decay<_Callable>::type, typename decay<_Args>::type...> _G;
- __call_once_param<_G> __p(_G(__decay_copy(_VSTD::forward<_Callable>(__func)),
+ typedef tuple<typename decay<_Callable>::type, typename decay<_Args>::type...> _Gp;
+ __call_once_param<_Gp> __p(_Gp(__decay_copy(_VSTD::forward<_Callable>(__func)),
__decay_copy(_VSTD::forward<_Args>(__args))...));
- __call_once(__flag.__state_, &__p, &__call_once_proxy<_G>);
+ __call_once(__flag.__state_, &__p, &__call_once_proxy<_Gp>);
}
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-22 20:09:48 +0000