标准库标头 <condition_variable> (C++11)
来自cppreference.com
此头文件是线程支持库的一部分。
类 | ||
(C++11) | 提供与 std::unique_lock 关联的条件变量 (类) | |
(C++11) | 提供与任何锁类型关联的条件变量 (类) | |
(C++11) | 列出条件变量上定时等待的可能结果 (枚举) | |
函数 | ||
(C++11) | 安排当此线程完全结束时调用一次 notify_all(函数) | |
[编辑]概要
namespace std {class condition_variable;class condition_variable_any; void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); enumclass cv_status { no_timeout, timeout };}
[编辑]类 std::condition_variable
namespace std {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 Pred>void wait(unique_lock<mutex>& lock, Pred 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 Pred>bool wait_until(unique_lock<mutex>& lock, const chrono::time_point<Clock, Duration>& abs_time, Pred 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 Pred>bool wait_for(unique_lock<mutex>& lock, const chrono::duration<Rep, Period>& rel_time, Pred pred); using native_handle_type =/* 由实现定义 */; native_handle_type native_handle();};}
[编辑]类 std::condition_variable_any
namespace std {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; // 不可中断等待template<class Lock>void wait(Lock& lock);template<class Lock, class Pred>void wait(Lock& lock, Pred 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 Pred>bool wait_until(Lock& lock, const chrono::time_point<Clock, Duration>& abs_time, Pred 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 Pred>bool wait_for(Lock& lock, const chrono::duration<Rep, Period>& rel_time, Pred pred); // 可中断等待template<class Lock, class Pred>bool wait(Lock& lock, stop_token stoken, Pred pred);template<class Lock, class Clock, class Duration, class Pred>bool wait_until(Lock& lock, stop_token stoken, const chrono::time_point<Clock, Duration>& abs_time, Pred pred);template<class Lock, class Rep, class Period, class Pred>bool wait_for(Lock& lock, stop_token stoken, const chrono::duration<Rep, Period>& rel_time, Pred pred);};}
