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std::condition_variable_any

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C++
 
Biblioteca de suporte a discussão
Threads
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Threads
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this_thread namespace
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this_thread namespace
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(C++11)
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Exclusão mútua
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Mutual exclusion
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Gestão de bloqueio genérico
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Generic lock management
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(C++11)(C++11)(C++11)
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(C++11)(C++11)(C++11)
Variáveis ​​de condição
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Condition variables
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condition_variable_any
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Futuros
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Futures
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std::condition_variable_any
Funções de membro
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Member functions
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condition_variable_any::condition_variable_any
condition_variable_any::~condition_variable_any
Notificação
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Notification
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condition_variable_any::notify_one
condition_variable_any::notify_all
Espera
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Waiting
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condition_variable_any::wait
condition_variable_any::wait_for
condition_variable_any::wait_until
 
Definido no cabeçalho <condition_variable>
class condition_variable_any;
 (desde C++11)
A classe condition_variable_any é uma generalização do std::condition_variable. Considerando std::condition_variable só funciona em std::unique_lock<std::mutex>, condition_variable_any pode operar em qualquer bloqueio definido pelo usuário que atende aos requisitos BasicLockable.
Original:
The condition_variable_any class is a generalization of std::condition_variable. Whereas std::condition_variable works only on std::unique_lock<std::mutex>, condition_variable_any can operate on any user-defined lock that meets the BasicLockable requirements.
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condition_variable_any fornece funcionalidade semelhante à std::condition_variable. É um primitivo de sincronização que pode ser utilizado para bloquear um certo número de fios até:
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condition_variable_any provides similar functionality to std::condition_variable. It is a synchronization primitive that can be used to block some number of threads until:
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  • uma notificação for recebida de outro segmento
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    a notification is received from another thread
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  • um tempo limite expirar, ou
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    a timeout expires, or
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  • um wakeup espúria ocorre
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    a wakeup espúria occurs
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Qualquer segmento que pretende esperar std::condition_variable_any tem de adquirir um primeiro bloqueio. As operações de espera atomicamente liberar o bloqueio e suspender a execução da rosca. Quando a variável de condição é notificado, o fio é despertada, e que o bloqueio seja readquirida.
Original:
Any thread that intends to wait on std::condition_variable_any has to acquire a lock first. The wait operations atomically release the lock and suspend the execution of the thread. When the condition variable is notified, the thread is awakened, and the lock is reacquired.
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O std::condition_variable_any classe é uma classe padrão de layout. Não é cópia constructible, mover-constructible, cópia de cessão, ou mover-atribuível.
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The class std::condition_variable_any is a standard-layout class. It is not copy-constructible, move-constructible, copy-assignable, or move-assignable.
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Se o bloqueio é std::unique_lock, std::condition_variable pode proporcionar um melhor desempenho.
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If the lock is std::unique_lock, std::condition_variable may provide better performance.
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[editar] Funções de membro
Constrói o objeto
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constructs the object
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(função pública membro) [edit]
destrói o objeto
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destructs the object
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(função pública membro) [edit]
operator=
[excluída]
cópia não-transmissíveis
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not copy-assignable
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(função pública membro) [edit]
Notificação
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Notification
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notifica um segmento de espera
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notifies one waiting thread
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(função pública membro) [edit]
notifica todos os segmentos de espera
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notifies all waiting threads
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(função pública membro) [edit]
Espera
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Waiting
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bloqueia o segmento atual até que a variável de condição é acordado
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blocks the current thread until the condition variable is woken up
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(função pública membro) [edit]
Bloqueia o segmento atual até que a variável de condição é acordado ou após o período de tempo limite especificado
Original:
blocks the current thread until the condition variable is woken up or after the specified timeout duration
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(função pública membro) [edit]
bloqueia o segmento atual até que a variável de condição é acordado ou até ponto de tempo especificado foi alcançado
Original:
blocks the current thread until the condition variable is woken up or until specified time point has been reached
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(função pública membro) [edit]
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