std::chrono::system_clock - cppreference.com

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Definido no cabeçalho `<chrono>`

`class system_clock;`		(desde C++11)

Classe std::chrono::system_clock representa o todo o sistema de relógio de parede em tempo real.

Original:

Class std::chrono::system_clock represents the system-wide real time wall clock.

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Pode não ser monotónica: na maioria dos sistemas, o tempo do sistema pode ser ajustada em qualquer momento. É o único relógio de C + + que tem a capacidade para mapear os seus pontos de tempo ao estilo C, tempo e, portanto, a ser exibida.

Original:

It may not be monotonic: on most systems, the system time can be adjusted at any moment. It is the only C++ clock that has the ability to map its time points to C-style time, and, therefore, to be displayed.

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std::chrono::system_clock cumpre os requisitos da TrivialClock.

Original:

std::chrono::system_clock meets the requirements of TrivialClock.

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Tipos de membro


Tipo de membro Original: Member type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Definition

`rep`	assinado tipo de aritmética que representa o número de carrapatos na duração do relógio Original: signed arithmetic type representing the number of ticks in the clock's duration The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

`period`	um tipo de std::ratio representa o período tique-taque do relógio, em segundos Original: an std::ratio type representing the tick period of the clock, in seconds The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

`duration`	`std::chrono::duration<rep, period>`, capaz de representar durações negativos Original: `std::chrono::duration<rep, period>`, capable of representing negative durations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

`time_point`	o tipo de ponto este relógio do tempo, `std::chrono::time_point<system_clock>` Original: the type of this clock's time point, `std::chrono::time_point<system_clock>` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Constantes de membros

true se o tempo entre os carrapatos é constante e as chamadas para os valores now retorno que aumentam de forma monótona

Original:

true if the time between ticks is constant and calls to now return values that increase monotonically

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(membro estático público constante)

Funções de membro


now [estática]	retorna um std::chrono::time_point representando o presente momento Original: returns a std::chrono::time_point representing the current point in time The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função public static membro) [edit]

to_time_t [estática]	converte um sistema de ponto relógio para std::time_t Original: converts a system clock time point to std::time_t The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função public static membro) [edit]

from_time_t [estática]	converte std::time_t a um ponto de tempo do relógio do sistema Original: converts std::time_t to a system clock time point The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função public static membro) [edit]

Veja também


	relógio monotônico que nunca vai ser ajustado Original: monotonic clock that will never be adjusted The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe)

	o relógio com o menor período de carrapato disponível Original: the clock with the shortest tick period available The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe)