diff options
| author | Andrey Khalyavin <[email protected]> | 2022-02-10 16:46:30 +0300 |
|---|---|---|
| committer | Daniil Cherednik <[email protected]> | 2022-02-10 16:46:30 +0300 |
| commit | 4b839d0704ee9be1dabb0310a1f03af24963637b (patch) | |
| tree | 1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /contrib/libs/cxxsupp/libcxx/include/condition_variable | |
| parent | f773626848a7c7456803654292e716b83d69cc12 (diff) | |
Restoring authorship annotation for Andrey Khalyavin <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/condition_variable')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/condition_variable | 530 |
1 files changed, 265 insertions, 265 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/condition_variable b/contrib/libs/cxxsupp/libcxx/include/condition_variable index 3ebb9b965ff..a33250c6779 100644 --- a/contrib/libs/cxxsupp/libcxx/include/condition_variable +++ b/contrib/libs/cxxsupp/libcxx/include/condition_variable @@ -1,268 +1,268 @@ -// -*- C++ -*- -//===---------------------- condition_variable ----------------------------===// -// +// -*- C++ -*- +//===---------------------- condition_variable ----------------------------===// +// // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_CONDITION_VARIABLE -#define _LIBCPP_CONDITION_VARIABLE - -/* - condition_variable synopsis - -namespace std -{ - -enum class cv_status { no_timeout, timeout }; - -class condition_variable -{ -public: - condition_variable(); - ~condition_variable(); - - condition_variable(const condition_variable&) = delete; - condition_variable& operator=(const condition_variable&) = delete; - - void notify_one() noexcept; - void notify_all() noexcept; - - void wait(unique_lock<mutex>& lock); - template <class Predicate> - void wait(unique_lock<mutex>& lock, Predicate pred); - - template <class Clock, class Duration> - cv_status - wait_until(unique_lock<mutex>& lock, - const chrono::time_point<Clock, Duration>& abs_time); - - template <class Clock, class Duration, class Predicate> - bool - wait_until(unique_lock<mutex>& lock, - const chrono::time_point<Clock, Duration>& abs_time, - Predicate pred); - - template <class Rep, class Period> - cv_status - wait_for(unique_lock<mutex>& lock, - const chrono::duration<Rep, Period>& rel_time); - - template <class Rep, class Period, class Predicate> - bool - wait_for(unique_lock<mutex>& lock, - const chrono::duration<Rep, Period>& rel_time, - Predicate pred); - - typedef pthread_cond_t* native_handle_type; - native_handle_type native_handle(); -}; - -void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); - -class condition_variable_any -{ -public: - condition_variable_any(); - ~condition_variable_any(); - - condition_variable_any(const condition_variable_any&) = delete; - condition_variable_any& operator=(const condition_variable_any&) = delete; - - void notify_one() noexcept; - void notify_all() noexcept; - - template <class Lock> - void wait(Lock& lock); - template <class Lock, class Predicate> - void wait(Lock& lock, Predicate pred); - - template <class Lock, class Clock, class Duration> - cv_status - wait_until(Lock& lock, - const chrono::time_point<Clock, Duration>& abs_time); - - template <class Lock, class Clock, class Duration, class Predicate> - bool - wait_until(Lock& lock, - const chrono::time_point<Clock, Duration>& abs_time, - Predicate pred); - - template <class Lock, class Rep, class Period> - cv_status - wait_for(Lock& lock, - const chrono::duration<Rep, Period>& rel_time); - - template <class Lock, class Rep, class Period, class Predicate> - bool - wait_for(Lock& lock, - const chrono::duration<Rep, Period>& rel_time, - Predicate pred); -}; - -} // std - -*/ - -#include <__config> -#include <__mutex_base> -#include <memory> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -#ifndef _LIBCPP_HAS_NO_THREADS - -_LIBCPP_BEGIN_NAMESPACE_STD - -class _LIBCPP_TYPE_VIS condition_variable_any -{ - condition_variable __cv_; - shared_ptr<mutex> __mut_; -public: - _LIBCPP_INLINE_VISIBILITY - condition_variable_any(); - - _LIBCPP_INLINE_VISIBILITY - void notify_one() _NOEXCEPT; - _LIBCPP_INLINE_VISIBILITY - void notify_all() _NOEXCEPT; - - template <class _Lock> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - void wait(_Lock& __lock); - template <class _Lock, class _Predicate> - _LIBCPP_INLINE_VISIBILITY - void wait(_Lock& __lock, _Predicate __pred); - - template <class _Lock, class _Clock, class _Duration> - _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS - cv_status - wait_until(_Lock& __lock, - const chrono::time_point<_Clock, _Duration>& __t); - - template <class _Lock, class _Clock, class _Duration, class _Predicate> - bool - _LIBCPP_INLINE_VISIBILITY - wait_until(_Lock& __lock, - const chrono::time_point<_Clock, _Duration>& __t, - _Predicate __pred); - - template <class _Lock, class _Rep, class _Period> - cv_status - _LIBCPP_INLINE_VISIBILITY - wait_for(_Lock& __lock, - const chrono::duration<_Rep, _Period>& __d); - - template <class _Lock, class _Rep, class _Period, class _Predicate> - bool - _LIBCPP_INLINE_VISIBILITY - wait_for(_Lock& __lock, - const chrono::duration<_Rep, _Period>& __d, - _Predicate __pred); -}; - -inline -condition_variable_any::condition_variable_any() - : __mut_(make_shared<mutex>()) {} - -inline -void -condition_variable_any::notify_one() _NOEXCEPT -{ - {lock_guard<mutex> __lx(*__mut_);} - __cv_.notify_one(); -} - -inline -void -condition_variable_any::notify_all() _NOEXCEPT -{ - {lock_guard<mutex> __lx(*__mut_);} - __cv_.notify_all(); -} - -struct __lock_external -{ - template <class _Lock> - void operator()(_Lock* __m) {__m->lock();} -}; - -template <class _Lock> -void -condition_variable_any::wait(_Lock& __lock) -{ - shared_ptr<mutex> __mut = __mut_; - unique_lock<mutex> __lk(*__mut); - __lock.unlock(); - unique_ptr<_Lock, __lock_external> __lxx(&__lock); - lock_guard<unique_lock<mutex> > __lx(__lk, adopt_lock); - __cv_.wait(__lk); -} // __mut_.unlock(), __lock.lock() - -template <class _Lock, class _Predicate> -inline -void -condition_variable_any::wait(_Lock& __lock, _Predicate __pred) -{ - while (!__pred()) - wait(__lock); -} - -template <class _Lock, class _Clock, class _Duration> -cv_status -condition_variable_any::wait_until(_Lock& __lock, - const chrono::time_point<_Clock, _Duration>& __t) -{ - shared_ptr<mutex> __mut = __mut_; - unique_lock<mutex> __lk(*__mut); - __lock.unlock(); - unique_ptr<_Lock, __lock_external> __lxx(&__lock); - lock_guard<unique_lock<mutex> > __lx(__lk, adopt_lock); - return __cv_.wait_until(__lk, __t); -} // __mut_.unlock(), __lock.lock() - -template <class _Lock, class _Clock, class _Duration, class _Predicate> -inline -bool -condition_variable_any::wait_until(_Lock& __lock, - const chrono::time_point<_Clock, _Duration>& __t, - _Predicate __pred) -{ - while (!__pred()) - if (wait_until(__lock, __t) == cv_status::timeout) - return __pred(); - return true; -} - -template <class _Lock, class _Rep, class _Period> -inline -cv_status -condition_variable_any::wait_for(_Lock& __lock, - const chrono::duration<_Rep, _Period>& __d) -{ - return wait_until(__lock, chrono::steady_clock::now() + __d); -} - -template <class _Lock, class _Rep, class _Period, class _Predicate> -inline -bool -condition_variable_any::wait_for(_Lock& __lock, - const chrono::duration<_Rep, _Period>& __d, - _Predicate __pred) -{ - return wait_until(__lock, chrono::steady_clock::now() + __d, - _VSTD::move(__pred)); -} - -_LIBCPP_FUNC_VIS -void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); - -_LIBCPP_END_NAMESPACE_STD - -#endif // !_LIBCPP_HAS_NO_THREADS - -#endif // _LIBCPP_CONDITION_VARIABLE +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_CONDITION_VARIABLE +#define _LIBCPP_CONDITION_VARIABLE + +/* + condition_variable synopsis + +namespace std +{ + +enum class cv_status { no_timeout, timeout }; + +class condition_variable +{ +public: + condition_variable(); + ~condition_variable(); + + condition_variable(const condition_variable&) = delete; + condition_variable& operator=(const condition_variable&) = delete; + + void notify_one() noexcept; + void notify_all() noexcept; + + void wait(unique_lock<mutex>& lock); + template <class Predicate> + void wait(unique_lock<mutex>& lock, Predicate pred); + + template <class Clock, class Duration> + cv_status + wait_until(unique_lock<mutex>& lock, + const chrono::time_point<Clock, Duration>& abs_time); + + template <class Clock, class Duration, class Predicate> + bool + wait_until(unique_lock<mutex>& lock, + const chrono::time_point<Clock, Duration>& abs_time, + Predicate pred); + + template <class Rep, class Period> + cv_status + wait_for(unique_lock<mutex>& lock, + const chrono::duration<Rep, Period>& rel_time); + + template <class Rep, class Period, class Predicate> + bool + wait_for(unique_lock<mutex>& lock, + const chrono::duration<Rep, Period>& rel_time, + Predicate pred); + + typedef pthread_cond_t* native_handle_type; + native_handle_type native_handle(); +}; + +void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); + +class condition_variable_any +{ +public: + condition_variable_any(); + ~condition_variable_any(); + + condition_variable_any(const condition_variable_any&) = delete; + condition_variable_any& operator=(const condition_variable_any&) = delete; + + void notify_one() noexcept; + void notify_all() noexcept; + + template <class Lock> + void wait(Lock& lock); + template <class Lock, class Predicate> + void wait(Lock& lock, Predicate pred); + + template <class Lock, class Clock, class Duration> + cv_status + wait_until(Lock& lock, + const chrono::time_point<Clock, Duration>& abs_time); + + template <class Lock, class Clock, class Duration, class Predicate> + bool + wait_until(Lock& lock, + const chrono::time_point<Clock, Duration>& abs_time, + Predicate pred); + + template <class Lock, class Rep, class Period> + cv_status + wait_for(Lock& lock, + const chrono::duration<Rep, Period>& rel_time); + + template <class Lock, class Rep, class Period, class Predicate> + bool + wait_for(Lock& lock, + const chrono::duration<Rep, Period>& rel_time, + Predicate pred); +}; + +} // std + +*/ + +#include <__config> +#include <__mutex_base> +#include <memory> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +#ifndef _LIBCPP_HAS_NO_THREADS + +_LIBCPP_BEGIN_NAMESPACE_STD + +class _LIBCPP_TYPE_VIS condition_variable_any +{ + condition_variable __cv_; + shared_ptr<mutex> __mut_; +public: + _LIBCPP_INLINE_VISIBILITY + condition_variable_any(); + + _LIBCPP_INLINE_VISIBILITY + void notify_one() _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + void notify_all() _NOEXCEPT; + + template <class _Lock> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + void wait(_Lock& __lock); + template <class _Lock, class _Predicate> + _LIBCPP_INLINE_VISIBILITY + void wait(_Lock& __lock, _Predicate __pred); + + template <class _Lock, class _Clock, class _Duration> + _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS + cv_status + wait_until(_Lock& __lock, + const chrono::time_point<_Clock, _Duration>& __t); + + template <class _Lock, class _Clock, class _Duration, class _Predicate> + bool + _LIBCPP_INLINE_VISIBILITY + wait_until(_Lock& __lock, + const chrono::time_point<_Clock, _Duration>& __t, + _Predicate __pred); + + template <class _Lock, class _Rep, class _Period> + cv_status + _LIBCPP_INLINE_VISIBILITY + wait_for(_Lock& __lock, + const chrono::duration<_Rep, _Period>& __d); + + template <class _Lock, class _Rep, class _Period, class _Predicate> + bool + _LIBCPP_INLINE_VISIBILITY + wait_for(_Lock& __lock, + const chrono::duration<_Rep, _Period>& __d, + _Predicate __pred); +}; + +inline +condition_variable_any::condition_variable_any() + : __mut_(make_shared<mutex>()) {} + +inline +void +condition_variable_any::notify_one() _NOEXCEPT +{ + {lock_guard<mutex> __lx(*__mut_);} + __cv_.notify_one(); +} + +inline +void +condition_variable_any::notify_all() _NOEXCEPT +{ + {lock_guard<mutex> __lx(*__mut_);} + __cv_.notify_all(); +} + +struct __lock_external +{ + template <class _Lock> + void operator()(_Lock* __m) {__m->lock();} +}; + +template <class _Lock> +void +condition_variable_any::wait(_Lock& __lock) +{ + shared_ptr<mutex> __mut = __mut_; + unique_lock<mutex> __lk(*__mut); + __lock.unlock(); + unique_ptr<_Lock, __lock_external> __lxx(&__lock); + lock_guard<unique_lock<mutex> > __lx(__lk, adopt_lock); + __cv_.wait(__lk); +} // __mut_.unlock(), __lock.lock() + +template <class _Lock, class _Predicate> +inline +void +condition_variable_any::wait(_Lock& __lock, _Predicate __pred) +{ + while (!__pred()) + wait(__lock); +} + +template <class _Lock, class _Clock, class _Duration> +cv_status +condition_variable_any::wait_until(_Lock& __lock, + const chrono::time_point<_Clock, _Duration>& __t) +{ + shared_ptr<mutex> __mut = __mut_; + unique_lock<mutex> __lk(*__mut); + __lock.unlock(); + unique_ptr<_Lock, __lock_external> __lxx(&__lock); + lock_guard<unique_lock<mutex> > __lx(__lk, adopt_lock); + return __cv_.wait_until(__lk, __t); +} // __mut_.unlock(), __lock.lock() + +template <class _Lock, class _Clock, class _Duration, class _Predicate> +inline +bool +condition_variable_any::wait_until(_Lock& __lock, + const chrono::time_point<_Clock, _Duration>& __t, + _Predicate __pred) +{ + while (!__pred()) + if (wait_until(__lock, __t) == cv_status::timeout) + return __pred(); + return true; +} + +template <class _Lock, class _Rep, class _Period> +inline +cv_status +condition_variable_any::wait_for(_Lock& __lock, + const chrono::duration<_Rep, _Period>& __d) +{ + return wait_until(__lock, chrono::steady_clock::now() + __d); +} + +template <class _Lock, class _Rep, class _Period, class _Predicate> +inline +bool +condition_variable_any::wait_for(_Lock& __lock, + const chrono::duration<_Rep, _Period>& __d, + _Predicate __pred) +{ + return wait_until(__lock, chrono::steady_clock::now() + __d, + _VSTD::move(__pred)); +} + +_LIBCPP_FUNC_VIS +void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); + +_LIBCPP_END_NAMESPACE_STD + +#endif // !_LIBCPP_HAS_NO_THREADS + +#endif // _LIBCPP_CONDITION_VARIABLE |
