1 files changed, 0 insertions, 508 deletions
diff --git a/r23/sources/cxx-stl/llvm-libc++/include/shared_mutex b/r23/sources/cxx-stl/llvm-libc++/include/shared_mutex
deleted file mode 100644
index fcafd8c0f..000000000
--- a/r23/sources/cxx-stl/llvm-libc++/include/shared_mutex
+++ /dev/null
@@ -1,508 +0,0 @@
-// -*- C++ -*-
-//===------------------------ shared_mutex --------------------------------===//
-//
-// 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_SHARED_MUTEX
-#define _LIBCPP_SHARED_MUTEX
-
-/*
-    shared_mutex synopsis
-
-// C++1y
-
-namespace std
-{
-
-class shared_mutex      // C++17
-{
-public:
-    shared_mutex();
-    ~shared_mutex();
-
-    shared_mutex(const shared_mutex&) = delete;
-    shared_mutex& operator=(const shared_mutex&) = delete;
-
-    // Exclusive ownership
-    void lock(); // blocking
-    bool try_lock();
-    void unlock();
-
-    // Shared ownership
-    void lock_shared(); // blocking
-    bool try_lock_shared();
-    void unlock_shared();
-
-    typedef implementation-defined native_handle_type; // See 30.2.3
-    native_handle_type native_handle(); // See 30.2.3
-};
-
-class shared_timed_mutex
-{
-public:
-    shared_timed_mutex();
-    ~shared_timed_mutex();
-
-    shared_timed_mutex(const shared_timed_mutex&) = delete;
-    shared_timed_mutex& operator=(const shared_timed_mutex&) = delete;
-
-    // Exclusive ownership
-    void lock(); // blocking
-    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();
-
-    // Shared ownership
-    void lock_shared(); // blocking
-    bool try_lock_shared();
-    template <class Rep, class Period>
-        bool
-        try_lock_shared_for(const chrono::duration<Rep, Period>& rel_time);
-    template <class Clock, class Duration>
-        bool
-        try_lock_shared_until(const chrono::time_point<Clock, Duration>& abs_time);
-    void unlock_shared();
-};
-
-template <class Mutex>
-class shared_lock
-{
-public:
-    typedef Mutex mutex_type;
-
-    // Shared locking
-    shared_lock() noexcept;
-    explicit shared_lock(mutex_type& m); // blocking
-    shared_lock(mutex_type& m, defer_lock_t) noexcept;
-    shared_lock(mutex_type& m, try_to_lock_t);
-    shared_lock(mutex_type& m, adopt_lock_t);
-    template <class Clock, class Duration>
-        shared_lock(mutex_type& m,
-                    const chrono::time_point<Clock, Duration>& abs_time);
-    template <class Rep, class Period>
-        shared_lock(mutex_type& m,
-                    const chrono::duration<Rep, Period>& rel_time);
-    ~shared_lock();
-
-    shared_lock(shared_lock const&) = delete;
-    shared_lock& operator=(shared_lock const&) = delete;
-
-    shared_lock(shared_lock&& u) noexcept;
-    shared_lock& operator=(shared_lock&& u) noexcept;
-
-    void lock(); // blocking
-    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();
-
-    // Setters
-    void swap(shared_lock& u) noexcept;
-    mutex_type* release() noexcept;
-
-    // Getters
-    bool owns_lock() const noexcept;
-    explicit operator bool () const noexcept;
-    mutex_type* mutex() const noexcept;
-};
-
-template <class Mutex>
-    void swap(shared_lock<Mutex>& x, shared_lock<Mutex>& y) noexcept;
-
-}  // std
-
-*/
-
-#include <__config>
-#include <version>
-
-_LIBCPP_PUSH_MACROS
-#include <__undef_macros>
-
-
-#if _LIBCPP_STD_VER > 11 || defined(_LIBCPP_BUILDING_LIBRARY)
-
-#include <__mutex_base>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
-#endif
-
-#ifdef _LIBCPP_HAS_NO_THREADS
-#error <shared_mutex> is not supported on this single threaded system
-#else // !_LIBCPP_HAS_NO_THREADS
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-struct _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_SHARED_MUTEX _LIBCPP_THREAD_SAFETY_ANNOTATION(capability("shared_mutex"))
-__shared_mutex_base
-{
-    mutex               __mut_;
-    condition_variable  __gate1_;
-    condition_variable  __gate2_;
-    unsigned            __state_;
-
-    static const unsigned __write_entered_ = 1U << (sizeof(unsigned)*__CHAR_BIT__ - 1);
-    static const unsigned __n_readers_ = ~__write_entered_;
-
-    __shared_mutex_base();
-    _LIBCPP_INLINE_VISIBILITY ~__shared_mutex_base() = default;
-
-    __shared_mutex_base(const __shared_mutex_base&) = delete;
-    __shared_mutex_base& operator=(const __shared_mutex_base&) = delete;
-
-    // Exclusive ownership
-    void lock() _LIBCPP_THREAD_SAFETY_ANNOTATION(acquire_capability()); // blocking
-    bool try_lock() _LIBCPP_THREAD_SAFETY_ANNOTATION(try_acquire_capability(true));
-    void unlock() _LIBCPP_THREAD_SAFETY_ANNOTATION(release_capability());
-
-    // Shared ownership
-    void lock_shared() _LIBCPP_THREAD_SAFETY_ANNOTATION(acquire_shared_capability()); // blocking
-    bool try_lock_shared() _LIBCPP_THREAD_SAFETY_ANNOTATION(try_acquire_shared_capability(true));
-    void unlock_shared() _LIBCPP_THREAD_SAFETY_ANNOTATION(release_shared_capability());
-
-//     typedef implementation-defined native_handle_type; // See 30.2.3
-//     native_handle_type native_handle(); // See 30.2.3
-};
-
-
-#if _LIBCPP_STD_VER > 14
-class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_SHARED_MUTEX shared_mutex
-{
-    __shared_mutex_base __base;
-public:
-    _LIBCPP_INLINE_VISIBILITY shared_mutex() : __base() {}
-    _LIBCPP_INLINE_VISIBILITY ~shared_mutex() = default;
-
-    shared_mutex(const shared_mutex&) = delete;
-    shared_mutex& operator=(const shared_mutex&) = delete;
-
-    // Exclusive ownership
-    _LIBCPP_INLINE_VISIBILITY void lock()     { return __base.lock(); }
-    _LIBCPP_INLINE_VISIBILITY bool try_lock() { return __base.try_lock(); }
-    _LIBCPP_INLINE_VISIBILITY void unlock()   { return __base.unlock(); }
-
-    // Shared ownership
-    _LIBCPP_INLINE_VISIBILITY void lock_shared()     { return __base.lock_shared(); }
-    _LIBCPP_INLINE_VISIBILITY bool try_lock_shared() { return __base.try_lock_shared(); }
-    _LIBCPP_INLINE_VISIBILITY void unlock_shared()   { return __base.unlock_shared(); }
-
-//     typedef __shared_mutex_base::native_handle_type native_handle_type;
-//     _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() { return __base::unlock_shared(); }
-};
-#endif
-
-
-class _LIBCPP_TYPE_VIS _LIBCPP_AVAILABILITY_SHARED_MUTEX shared_timed_mutex
-{
-    __shared_mutex_base __base;
-public:
-    shared_timed_mutex();
-    _LIBCPP_INLINE_VISIBILITY ~shared_timed_mutex() = default;
-
-    shared_timed_mutex(const shared_timed_mutex&) = delete;
-    shared_timed_mutex& operator=(const shared_timed_mutex&) = delete;
-
-    // Exclusive ownership
-    void lock();
-    bool try_lock();
-    template <class _Rep, class _Period>
-        _LIBCPP_INLINE_VISIBILITY
-        bool
-        try_lock_for(const chrono::duration<_Rep, _Period>& __rel_time)
-        {
-            return try_lock_until(chrono::steady_clock::now() + __rel_time);
-        }
-    template <class _Clock, class _Duration>
-        _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
-        bool
-        try_lock_until(const chrono::time_point<_Clock, _Duration>& __abs_time);
-    void unlock();
-
-    // Shared ownership
-    void lock_shared();
-    bool try_lock_shared();
-    template <class _Rep, class _Period>
-        _LIBCPP_INLINE_VISIBILITY
-        bool
-        try_lock_shared_for(const chrono::duration<_Rep, _Period>& __rel_time)
-        {
-            return try_lock_shared_until(chrono::steady_clock::now() + __rel_time);
-        }
-    template <class _Clock, class _Duration>
-        _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
-        bool
-        try_lock_shared_until(const chrono::time_point<_Clock, _Duration>& __abs_time);
-    void unlock_shared();
-};
-
-template <class _Clock, class _Duration>
-bool
-shared_timed_mutex::try_lock_until(
-                        const chrono::time_point<_Clock, _Duration>& __abs_time)
-{
-    unique_lock<mutex> __lk(__base.__mut_);
-    if (__base.__state_ & __base.__write_entered_)
-    {
-        while (true)
-        {
-            cv_status __status = __base.__gate1_.wait_until(__lk, __abs_time);
-            if ((__base.__state_ & __base.__write_entered_) == 0)
-                break;
-            if (__status == cv_status::timeout)
-                return false;
-        }
-    }
-    __base.__state_ |= __base.__write_entered_;
-    if (__base.__state_ & __base.__n_readers_)
-    {
-        while (true)
-        {
-            cv_status __status = __base.__gate2_.wait_until(__lk, __abs_time);
-            if ((__base.__state_ & __base.__n_readers_) == 0)
-                break;
-            if (__status == cv_status::timeout)
-            {
-                __base.__state_ &= ~__base.__write_entered_;
-                __base.__gate1_.notify_all();
-                return false;
-            }
-        }
-    }
-    return true;
-}
-
-template <class _Clock, class _Duration>
-bool
-shared_timed_mutex::try_lock_shared_until(
-                        const chrono::time_point<_Clock, _Duration>& __abs_time)
-{
-    unique_lock<mutex> __lk(__base.__mut_);
-    if ((__base.__state_ & __base.__write_entered_) || (__base.__state_ & __base.__n_readers_) == __base.__n_readers_)
-    {
-        while (true)
-        {
-            cv_status status = __base.__gate1_.wait_until(__lk, __abs_time);
-            if ((__base.__state_ & __base.__write_entered_) == 0 &&
-                                       (__base.__state_ & __base.__n_readers_) < __base.__n_readers_)
-                break;
-            if (status == cv_status::timeout)
-                return false;
-        }
-    }
-    unsigned __num_readers = (__base.__state_ & __base.__n_readers_) + 1;
-    __base.__state_ &= ~__base.__n_readers_;
-    __base.__state_ |= __num_readers;
-    return true;
-}
-
-template <class _Mutex>
-class shared_lock
-{
-public:
-    typedef _Mutex mutex_type;
-
-private:
-    mutex_type* __m_;
-    bool __owns_;
-
-public:
-    _LIBCPP_INLINE_VISIBILITY
-    shared_lock() _NOEXCEPT
-        : __m_(nullptr),
-          __owns_(false)
-        {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    explicit shared_lock(mutex_type& __m)
-        : __m_(_VSTD::addressof(__m)),
-          __owns_(true)
-        {__m_->lock_shared();}
-
-    _LIBCPP_INLINE_VISIBILITY
-    shared_lock(mutex_type& __m, defer_lock_t) _NOEXCEPT
-        : __m_(_VSTD::addressof(__m)),
-          __owns_(false)
-        {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    shared_lock(mutex_type& __m, try_to_lock_t)
-        : __m_(_VSTD::addressof(__m)),
-          __owns_(__m.try_lock_shared())
-        {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    shared_lock(mutex_type& __m, adopt_lock_t)
-        : __m_(_VSTD::addressof(__m)),
-          __owns_(true)
-        {}
-
-    template <class _Clock, class _Duration>
-        _LIBCPP_INLINE_VISIBILITY
-        shared_lock(mutex_type& __m,
-                    const chrono::time_point<_Clock, _Duration>& __abs_time)
-            : __m_(_VSTD::addressof(__m)),
-              __owns_(__m.try_lock_shared_until(__abs_time))
-            {}
-
-    template <class _Rep, class _Period>
-        _LIBCPP_INLINE_VISIBILITY
-        shared_lock(mutex_type& __m,
-                    const chrono::duration<_Rep, _Period>& __rel_time)
-            : __m_(_VSTD::addressof(__m)),
-              __owns_(__m.try_lock_shared_for(__rel_time))
-            {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    ~shared_lock()
-    {
-        if (__owns_)
-            __m_->unlock_shared();
-    }
-
-    shared_lock(shared_lock const&) = delete;
-    shared_lock& operator=(shared_lock const&) = delete;
-
-    _LIBCPP_INLINE_VISIBILITY
-    shared_lock(shared_lock&& __u) _NOEXCEPT
-        : __m_(__u.__m_),
-          __owns_(__u.__owns_)
-        {
-            __u.__m_ = nullptr;
-            __u.__owns_ = false;
-        }
-
-    _LIBCPP_INLINE_VISIBILITY
-    shared_lock& operator=(shared_lock&& __u) _NOEXCEPT
-    {
-        if (__owns_)
-            __m_->unlock_shared();
-        __m_ = nullptr;
-        __owns_ = false;
-        __m_ = __u.__m_;
-        __owns_ = __u.__owns_;
-        __u.__m_ = nullptr;
-        __u.__owns_ = false;
-        return *this;
-    }
-
-    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();
-
-    // Setters
-    _LIBCPP_INLINE_VISIBILITY
-    void swap(shared_lock& __u) _NOEXCEPT
-    {
-        _VSTD::swap(__m_, __u.__m_);
-        _VSTD::swap(__owns_, __u.__owns_);
-    }
-
-    _LIBCPP_INLINE_VISIBILITY
-    mutex_type* release() _NOEXCEPT
-    {
-        mutex_type* __m = __m_;
-        __m_ = nullptr;
-        __owns_ = false;
-        return __m;
-    }
-
-    // Getters
-    _LIBCPP_INLINE_VISIBILITY
-    bool owns_lock() const _NOEXCEPT {return __owns_;}
-
-    _LIBCPP_INLINE_VISIBILITY
-    explicit operator bool () const _NOEXCEPT {return __owns_;}
-
-    _LIBCPP_INLINE_VISIBILITY
-    mutex_type* mutex() const _NOEXCEPT {return __m_;}
-};
-
-template <class _Mutex>
-void
-shared_lock<_Mutex>::lock()
-{
-    if (__m_ == nullptr)
-        __throw_system_error(EPERM, "shared_lock::lock: references null mutex");
-    if (__owns_)
-        __throw_system_error(EDEADLK, "shared_lock::lock: already locked");
-    __m_->lock_shared();
-    __owns_ = true;
-}
-
-template <class _Mutex>
-bool
-shared_lock<_Mutex>::try_lock()
-{
-    if (__m_ == nullptr)
-        __throw_system_error(EPERM, "shared_lock::try_lock: references null mutex");
-    if (__owns_)
-        __throw_system_error(EDEADLK, "shared_lock::try_lock: already locked");
-    __owns_ = __m_->try_lock_shared();
-    return __owns_;
-}
-
-template <class _Mutex>
-template <class _Rep, class _Period>
-bool
-shared_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d)
-{
-    if (__m_ == nullptr)
-        __throw_system_error(EPERM, "shared_lock::try_lock_for: references null mutex");
-    if (__owns_)
-        __throw_system_error(EDEADLK, "shared_lock::try_lock_for: already locked");
-    __owns_ = __m_->try_lock_shared_for(__d);
-    return __owns_;
-}
-
-template <class _Mutex>
-template <class _Clock, class _Duration>
-bool
-shared_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
-{
-    if (__m_ == nullptr)
-        __throw_system_error(EPERM, "shared_lock::try_lock_until: references null mutex");
-    if (__owns_)
-        __throw_system_error(EDEADLK, "shared_lock::try_lock_until: already locked");
-    __owns_ = __m_->try_lock_shared_until(__t);
-    return __owns_;
-}
-
-template <class _Mutex>
-void
-shared_lock<_Mutex>::unlock()
-{
-    if (!__owns_)
-        __throw_system_error(EPERM, "shared_lock::unlock: not locked");
-    __m_->unlock_shared();
-    __owns_ = false;
-}
-
-template <class _Mutex>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-swap(shared_lock<_Mutex>& __x, shared_lock<_Mutex>& __y) _NOEXCEPT
-    {__x.swap(__y);}
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif  // !_LIBCPP_HAS_NO_THREADS
-
-#endif  // _LIBCPP_STD_VER > 11
-
-_LIBCPP_POP_MACROS
-
-#endif  // _LIBCPP_SHARED_MUTEX