diff options
Diffstat (limited to 'tests/libcxx/include/mutex')
-rw-r--r-- | tests/libcxx/include/mutex | 523 |
1 files changed, 0 insertions, 523 deletions
diff --git a/tests/libcxx/include/mutex b/tests/libcxx/include/mutex deleted file mode 100644 index 21d38342..00000000 --- a/tests/libcxx/include/mutex +++ /dev/null @@ -1,523 +0,0 @@ -// -*- C++ -*- -//===--------------------------- mutex ------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_MUTEX -#define _LIBCPP_MUTEX - -/* - mutex synopsis - -namespace std -{ - -class mutex -{ -public: - mutex(); - ~mutex(); - - mutex(const mutex&) = delete; - mutex& operator=(const mutex&) = delete; - - void lock(); - bool try_lock(); - void unlock(); - - typedef pthread_mutex_t* native_handle_type; - native_handle_type native_handle(); -}; - -class recursive_mutex -{ -public: - recursive_mutex(); - ~recursive_mutex(); - - recursive_mutex(const recursive_mutex&) = delete; - recursive_mutex& operator=(const recursive_mutex&) = delete; - - void lock(); - bool try_lock(); - void unlock(); - - typedef pthread_mutex_t* native_handle_type; - native_handle_type native_handle(); -}; - -class timed_mutex -{ -public: - timed_mutex(); - ~timed_mutex(); - - timed_mutex(const timed_mutex&) = delete; - timed_mutex& operator=(const timed_mutex&) = delete; - - void lock(); - bool try_lock(); - template <class Rep, class Period> - bool try_lock_for(const chrono::duration<Rep, Period>& rel_time); - template <class Clock, class Duration> - bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time); - void unlock(); -}; - -class recursive_timed_mutex -{ -public: - recursive_timed_mutex(); - ~recursive_timed_mutex(); - - recursive_timed_mutex(const recursive_timed_mutex&) = delete; - recursive_timed_mutex& operator=(const recursive_timed_mutex&) = delete; - - void lock(); - bool try_lock(); - template <class Rep, class Period> - bool try_lock_for(const chrono::duration<Rep, Period>& rel_time); - template <class Clock, class Duration> - bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time); - void unlock(); -}; - -struct defer_lock_t {}; -struct try_to_lock_t {}; -struct adopt_lock_t {}; - -constexpr defer_lock_t defer_lock{}; -constexpr try_to_lock_t try_to_lock{}; -constexpr adopt_lock_t adopt_lock{}; - -template <class Mutex> -class lock_guard -{ -public: - typedef Mutex mutex_type; - - explicit lock_guard(mutex_type& m); - lock_guard(mutex_type& m, adopt_lock_t); - ~lock_guard(); - - lock_guard(lock_guard const&) = delete; - lock_guard& operator=(lock_guard const&) = delete; -}; - -template <class Mutex> -class unique_lock -{ -public: - typedef Mutex mutex_type; - unique_lock(); - explicit unique_lock(mutex_type& m); - unique_lock(mutex_type& m, defer_lock_t); - unique_lock(mutex_type& m, try_to_lock_t); - unique_lock(mutex_type& m, adopt_lock_t); - template <class Clock, class Duration> - unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time); - template <class Rep, class Period> - unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time); - ~unique_lock(); - - unique_lock(unique_lock const&) = delete; - unique_lock& operator=(unique_lock const&) = delete; - - unique_lock(unique_lock&& u); - unique_lock& operator=(unique_lock&& u); - - void lock(); - bool try_lock(); - - template <class Rep, class Period> - bool try_lock_for(const chrono::duration<Rep, Period>& rel_time); - template <class Clock, class Duration> - bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time); - - void unlock(); - - void swap(unique_lock& u); - mutex_type* release(); - - bool owns_lock() const; - explicit operator bool () const; - mutex_type* mutex() const; -}; - -template <class Mutex> - void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y); - -template <class L1, class L2, class... L3> - int try_lock(L1&, L2&, L3&...); -template <class L1, class L2, class... L3> - void lock(L1&, L2&, L3&...); - -struct once_flag -{ - constexpr once_flag(); - - once_flag(const once_flag&) = delete; - once_flag& operator=(const once_flag&) = delete; -}; - -template<class Callable, class ...Args> - void call_once(once_flag& flag, Callable&& func, Args&&... args); - -} // std - -*/ - -#include <__config> -#include <__mutex_base> -#include <functional> - -#pragma GCC system_header - -_LIBCPP_BEGIN_NAMESPACE_STD - -class _LIBCPP_VISIBLE recursive_mutex -{ - pthread_mutex_t __m_; - -public: - recursive_mutex(); - ~recursive_mutex(); - -private: - recursive_mutex(const recursive_mutex&); // = delete; - recursive_mutex& operator=(const recursive_mutex&); // = delete; - -public: - void lock(); - bool try_lock(); - void unlock(); - - typedef pthread_mutex_t* native_handle_type; - _LIBCPP_INLINE_VISIBILITY - native_handle_type native_handle() {return &__m_;} -}; - -class _LIBCPP_VISIBLE timed_mutex -{ - mutex __m_; - condition_variable __cv_; - bool __locked_; -public: - timed_mutex(); - ~timed_mutex(); - -private: - timed_mutex(const timed_mutex&); // = delete; - timed_mutex& operator=(const timed_mutex&); // = delete; - -public: - void lock(); - bool try_lock(); - 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(); -}; - -template <class _Clock, class _Duration> -bool -timed_mutex::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t) -{ - using namespace chrono; - unique_lock<mutex> __lk(__m_); - bool no_timeout = _Clock::now() < __t; - while (no_timeout && __locked_) - no_timeout = __cv_.wait_until(__lk, __t) == cv_status::no_timeout; - if (!__locked_) - { - __locked_ = true; - return true; - } - return false; -} - -class _LIBCPP_VISIBLE recursive_timed_mutex -{ - mutex __m_; - condition_variable __cv_; - size_t __count_; - pthread_t __id_; -public: - recursive_timed_mutex(); - ~recursive_timed_mutex(); - -private: - recursive_timed_mutex(const recursive_timed_mutex&); // = delete; - recursive_timed_mutex& operator=(const recursive_timed_mutex&); // = delete; - -public: - void lock(); - bool try_lock(); - 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(); -}; - -template <class _Clock, class _Duration> -bool -recursive_timed_mutex::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t) -{ - using namespace chrono; - pthread_t __id = pthread_self(); - unique_lock<mutex> lk(__m_); - if (pthread_equal(__id, __id_)) - { - if (__count_ == numeric_limits<size_t>::max()) - return false; - ++__count_; - return true; - } - bool no_timeout = _Clock::now() < __t; - while (no_timeout && __count_ != 0) - no_timeout = __cv_.wait_until(lk, __t) == cv_status::no_timeout; - if (__count_ == 0) - { - __count_ = 1; - __id_ = __id; - return true; - } - return false; -} - -template <class _L0, class _L1> -int -try_lock(_L0& __l0, _L1& __l1) -{ - unique_lock<_L0> __u0(__l0, try_to_lock); - if (__u0.owns_lock()) - { - if (__l1.try_lock()) - { - __u0.release(); - return -1; - } - else - return 1; - } - return 0; -} - -#ifndef _LIBCPP_HAS_NO_VARIADICS - -template <class _L0, class _L1, class _L2, class... _L3> -int -try_lock(_L0& __l0, _L1& __l1, _L2& __l2, _L3&... __l3) -{ - int __r = 0; - unique_lock<_L0> __u0(__l0, try_to_lock); - if (__u0.owns_lock()) - { - __r = try_lock(__l1, __l2, __l3...); - if (__r == -1) - __u0.release(); - else - ++__r; - } - return __r; -} - -#endif // _LIBCPP_HAS_NO_VARIADICS - -template <class _L0, class _L1> -void -lock(_L0& __l0, _L1& __l1) -{ - while (true) - { - { - unique_lock<_L0> __u0(__l0); - if (__l1.try_lock()) - { - __u0.release(); - break; - } - } - sched_yield(); - { - unique_lock<_L1> __u1(__l1); - if (__l0.try_lock()) - { - __u1.release(); - break; - } - } - sched_yield(); - } -} - -#ifndef _LIBCPP_HAS_NO_VARIADICS - -template <class _L0, class _L1, class _L2, class ..._L3> -void -__lock_first(int __i, _L0& __l0, _L1& __l1, _L2& __l2, _L3& ...__l3) -{ - while (true) - { - switch (__i) - { - case 0: - { - unique_lock<_L0> __u0(__l0); - __i = try_lock(__l1, __l2, __l3...); - if (__i == -1) - { - __u0.release(); - return; - } - } - ++__i; - sched_yield(); - break; - case 1: - { - unique_lock<_L1> __u1(__l1); - __i = try_lock(__l2, __l3..., __l0); - if (__i == -1) - { - __u1.release(); - return; - } - } - if (__i == sizeof...(_L3) + 1) - __i = 0; - else - __i += 2; - sched_yield(); - break; - default: - __lock_first(__i - 2, __l2, __l3..., __l0, __l1); - return; - } - } -} - -template <class _L0, class _L1, class _L2, class ..._L3> -inline _LIBCPP_INLINE_VISIBILITY -void -lock(_L0& __l0, _L1& __l1, _L2& __l2, _L3& ...__l3) -{ - __lock_first(0, __l0, __l1, __l2, __l3...); -} - -#endif // _LIBCPP_HAS_NO_VARIADICS - -struct once_flag; - -#ifndef _LIBCPP_HAS_NO_VARIADICS - -template<class _Callable, class... _Args> - void call_once(once_flag&, _Callable&&, _Args&&...); - -#else // _LIBCPP_HAS_NO_VARIADICS - -template<class _Callable> - void call_once(once_flag&, _Callable); - -#endif // _LIBCPP_HAS_NO_VARIADICS - -struct _LIBCPP_VISIBLE once_flag -{ - _LIBCPP_INLINE_VISIBILITY - // constexpr - once_flag() {} - -private: - once_flag(const once_flag&); // = delete; - once_flag& operator=(const once_flag&); // = delete; - - unsigned long __state_; - -#ifndef _LIBCPP_HAS_NO_VARIADICS - template<class _Callable, class... _Args> - friend - void call_once(once_flag&, _Callable&&, _Args&&...); -#else // _LIBCPP_HAS_NO_VARIADICS - template<class _Callable> - friend - void call_once(once_flag&, _Callable); -#endif // _LIBCPP_HAS_NO_VARIADICS -}; - -template <class _F> -class __call_once_param -{ - _F __f_; -public: -#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES - _LIBCPP_INLINE_VISIBILITY - explicit __call_once_param(_F&& __f) : __f_(_STD::move(__f)) {} -#else - _LIBCPP_INLINE_VISIBILITY - explicit __call_once_param(const _F& __f) : __f_(__f) {} -#endif - - _LIBCPP_INLINE_VISIBILITY - void operator()() - { - __f_(); - } -}; - -template <class _F> -void -__call_once_proxy(void* __vp) -{ - __call_once_param<_F>* __p = static_cast<__call_once_param<_F>*>(__vp); - (*__p)(); -} - -void __call_once(volatile unsigned long&, void*, void(*)(void*)); - -#ifndef _LIBCPP_HAS_NO_VARIADICS - -template<class _Callable, class... _Args> -inline _LIBCPP_INLINE_VISIBILITY -void -call_once(once_flag& __flag, _Callable&& __func, _Args&&... __args) -{ - if (__builtin_expect(__flag.__state_ , ~0ul) != ~0ul) - { - typedef decltype(std::bind(std::forward<_Callable>(__func), - std::forward<_Args>(__args)...)) _G; - __call_once_param<_G> __p(std::bind(std::forward<_Callable>(__func), - std::forward<_Args>(__args)...)); - __call_once(__flag.__state_, &__p, &__call_once_proxy<_G>); - } -} - -#else // _LIBCPP_HAS_NO_VARIADICS - -template<class _Callable> -inline _LIBCPP_INLINE_VISIBILITY -void -call_once(once_flag& __flag, _Callable __func) -{ - if (__flag.__state_ != ~0ul) - { - __call_once_param<_Callable> __p(__func); - __call_once(__flag.__state_, &__p, &__call_once_proxy<_Callable>); - } -} - -#endif // _LIBCPP_HAS_NO_VARIADICS - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP_MUTEX |