std::future_category

 

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主题 Original: Threads The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
thread （C++11）
this_thread命名空间 Original: this_thread namespace The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
get_id （C++11） yield （C++11）	sleep_for （C++11） sleep_until （C++11）
相互排斥 Original: Mutual exclusion The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mutex （C++11） timed_mutex （C++11）	recursive_mutex （C++11） recursive_timed_mutex （C++11）
通用锁管理 Original: Generic lock management The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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） （C++11） （C++11）
条件变量 Original: Condition variables The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
condition_variable （C++11）
condition_variable_any （C++11）
notify_all_at_thread_exit （C++11）
cv_status （C++11）
期货 Original: Futures The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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>
const std::error_category& future_category();		（C++11 起）

。获得的静态误差的错误相关的期货和承诺类对象的引用。需要重写虚函数error_category::name()返回一个指针，指向的字符串"future"的对象。它被用来确定提供的错误代码在例外的类型std::future_error.

Original:

Obtains a reference to the static error category object for the errors related to futures and promises. The object is required to override the virtual function error_category::name() to return a pointer to the string "future". It is used to identify error codes provided in the exceptions of type std::future_error.

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。参数。

。 （无）。

Original:

(none)

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===。 返回值。===

。静态对象的引用未指定的运行时类型，来自std::error_category.

Original:

a reference to the static object of unspecified runtime type, derived from std::error_category.

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。例外。

noexcept specification:  

noexcept

  （C++11 起）

。另请参阅。

future_errc （C++11）	识别未来的错误代码 Original: identifies the future error codes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （枚举）
future_error （C++11）	报告一个错误相关的期货或承诺 Original: reports an error related to futures or promises The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （类）
error_category （C++11）	错误类型的基类 Original: base class for error categories The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （类）