std::future_status

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C++
 
线程的支持库
主题
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Threads
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thread（C++11）
this_thread命名空间
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this_thread namespace
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get_id（C++11）
yield（C++11）
sleep_for（C++11）
sleep_until（C++11）
相互排斥
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Mutual exclusion
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mutex（C++11）
timed_mutex（C++11）
recursive_mutex（C++11）
recursive_timed_mutex（C++11）
通用锁管理
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Generic lock management
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lock_guard（C++11）
unique_lock（C++11）
defer_lock_t
try_to_lock_t
adopt_lock_t		（C++11）
（C++11）
（C++11）
lock（C++11）
try_lock（C++11）
defer_lock
try_to_lock
adopt_lock		（C++11）
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条件变量
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Condition variables
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condition_variable（C++11）
condition_variable_any（C++11）
notify_all_at_thread_exit（C++11）
cv_status（C++11）
期货
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Futures
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promise（C++11）
future（C++11）
shared_future（C++11）
packaged_task（C++11）
async（C++11）
launch（C++11）
future_status（C++11）
future_error（C++11）
future_category（C++11）
future_errc（C++11）
 
Defined in header <future>
enum class future_status {

    ready,
    timeout,
    deferred

};
 （C++11 起）

Specifies state of a future as returned by wait_for and wait_until functions of std::future and std::shared_future.

。常数。
Original:
Constant
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 Explanation
deferred the shared state contains a deferred function, so the result will be computed only when explicitly requested
ready the shared state is ready
timeout the shared state did not become ready before specified timeout duration has passed

[编辑] 。另请参阅。

 waits for the result, returns if it is not available for the specified timeout duration
（公共成员函数of std::future） [edit]
waits for the result, returns if it is not available for the specified timeout duration
（公共成员函数of std::shared_future） [edit]
等待结果，则返回，如果它是不可用，直到已达到指定的时间点
Original:
waits for the result, returns if it is not available until specified time point has been reached
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（公共成员函数of std::future） [edit]
等待结果，则返回，如果它是不可用，直到已达到指定的时间点
Original:
waits for the result, returns if it is not available until specified time point has been reached
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（公共成员函数of std::shared_future） [edit]
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