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shared_mutex
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122 lines (92 loc) · 3.59 KB
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/* Copyright (C) 2015 Povilas Kanapickas <povilas@radix.lt>
This file is part of cppreference-doc
This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
Unported License. To view a copy of this license, visit
http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative
Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with no
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
*/
#ifndef CPPREFERENCE_SHARED_MUTEX_H
#define CPPREFERENCE_SHARED_MUTEX_H
#if CPPREFERENCE_STDVER>= 2014
namespace std {
#if CPPREFERENCE_STDVER>= 2017
class shared_mutex {
public:
typedef void* native_handle_type; // actually impl-defined
shared_mutex();
shared_mutex(const shared_mutex&) = delete;
shared_mutex& operator=(const shared_mutex&) = delete;
~shared_mutex();
void lock();
bool try_lock();
void unlock();
void lock_shared();
bool try_lock_shared();
void unlock_shared();
native_handle_type native_handle();
};
#endif // CPPREFERENCE_STDVER>= 2017
class shared_timed_mutex {
public:
typedef void* native_handle_type; // actually impl-defined
shared_timed_mutex();
shared_timed_mutex(const shared_timed_mutex&) = delete;
shared_timed_mutex& operator=(const shared_timed_mutex&) = delete;
~shared_timed_mutex();
void lock();
bool try_lock();
template<class Rep, class Period>
bool try_lock_for(const std::chrono::duration<Rep, Period>& timeout_duration);
template<class Clock, class Duration>
bool try_lock_until(const std::chrono::time_point<Clock, Duration>& timeout_time);
void unlock();
void lock_shared();
bool try_lock_shared();
template<class Rep, class Period>
bool try_lock_shared_for(const std::chrono::duration<Rep, Period>& timeout_duration);
template<class Clock, class Duration>
bool try_lock_shared_until(const std::chrono::time_point<Clock, Duration>& timeout_time);
void unlock_shared();
native_handle_type native_handle();
};
template<class Mutex>
class shared_lock {
public:
typedef Mutex mutex_type;
shared_lock();
shared_lock(shared_lock&& other);
explicit shared_lock(mutex_type& m);
shared_lock(mutex_type& m, std::defer_lock_t t);
shared_lock(mutex_type& m, std::try_to_lock_t t);
shared_lock(mutex_type& m, std::adopt_lock_t t);
template<class Rep, class Period>
shared_lock(mutex_type& m,
const std::chrono::duration<Rep, Period>& timeout_duration);
template<class Clock, class Duration>
shared_lock(mutex_type& m,
const std::chrono::time_point<Clock, Duration>& timeout_time);
~shared_lock();
shared_lock& operator=(shared_lock&& other);
void lock();
bool try_lock();
template<class Rep, class Period>
bool try_lock_for(const std::chrono::duration<Rep, Period>& timeout_duration);
template<class Clock, class Duration>
bool try_lock_until(const std::chrono::time_point<Clock, Duration>& timeout_time);
void unlock();
void swap(shared_lock<Mutex>& other);
mutex_type* release();
mutex_type* mutex() const;
bool owns_lock() const;
explicit operator bool() const;
};
template<class Mutex>
void swap(shared_lock<Mutex>& lhs,
shared_lock<Mutex>& rhs);
} // namespace std
#endif // CPPREFERENCE_STDVER>= 2014
#endif // CPPREFERENCE_SHARED_MUTEX_H