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std::unique_lock::try_lock_until

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< cpp‎ | thread‎ | unique lock

 
 
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Threads
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Threads
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thread(C++11)
this_thread namespace
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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)
Exclusão mútua
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Gestão de bloqueio genérico
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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)
(C++11)
(C++11)
Variáveis ​​de condição
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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)
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std::unique_lock
Funções de membro
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Member functions
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unique_lock::unique_lock
unique_lock::~unique_lock
unique_lock::operator=
Bloqueio
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Locking
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unique_lock::lock
unique_lock::try_lock
unique_lock::try_lock_for
unique_lock::try_lock_until
unique_lock::unlock
Modificadores
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Modifiers
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unique_lock::swap
unique_lock::release
Observadores
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Observers
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unique_lock::mutex
unique_lock::owns_lock
unique_lock::operator bool
Não-membros funções
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Non-member functions
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std::swap
 
template< class Clock, class Duration >
bool try_lock_until( const std::chrono::time_point<Clock,Duration>& timeout_time );
(a partir do C++ 11)
Tenta bloquear o mutex associado. Blocos até timeout_time especificado foi alcançado ou o bloqueio é adquirido, o que ocorrer primeiro. No sucesso bloqueio true retornos de aquisição, caso contrário retorna false. Podem bloquear por mais de até timeout_time foi atingido.
Original:
Tries to lock the associated mutex. Blocks until specified timeout_time has been reached or the lock is acquired, whichever comes first. On successful lock acquisition returns true, otherwise returns false. May block for longer than until timeout_time has been reached.
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Efetivamente chama mutex()->try_lock_until(timeout_time)
Original:
Effectively calls mutex()->try_lock_until(timeout_time)
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std::system_error é lançada se não houver mutex associado, ou se o mutex já está trancada.
Original:
std::system_error is thrown if there is no associated mutex or if the mutex is already locked.
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Índice

[editar] Parâmetros

timeout_time -
ponto de tempo máximo para bloquear até
Original:
maximum time point to block until
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[editar] Valor de retorno

true se a propriedade do mutex foi adquirido com sucesso, caso contrário false.
Original:
true if the ownership of the mutex has been acquired successfully, false otherwise.
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[editar] Exceções

  • Todas as exceções lançadas por mutex()->try_lock_for(timeout_time)
    Original:
    Any exceptions thrown by mutex()->try_lock_for(timeout_time)
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  • Se não houver um mutex associado, std::system_error com um código de erro de std::errc::operation_not_permitted
    Original:
    If there is no associated mutex, std::system_error with an error code of std::errc::operation_not_permitted
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  • Se o mutex já está bloqueado std::system_error, com um código de erro de std::errc::resource_deadlock_would_occur
    Original:
    If the mutex is already locked, std::system_error with an error code of std::errc::resource_deadlock_would_occur
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[editar] Exemplo

[editar] Veja também

locks the associated mutex
(função pública membro) [edit]
tenta bloquear o mutex associado, retorna se o mutex não está disponível
Original:
tries to lock the associated mutex, returns if the mutex is not available
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(função pública membro) [edit]
tentativas de bloquear o mutex associado TimedLockable, os retornos se o mutex esteve indisponível durante o período de tempo especificado
Original:
attempts to lock the associated TimedLockable mutex, returns if the mutex has been unavailable for the specified time duration
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(função pública membro) [edit]
destrave o mutex associado
Original:
unlocks the associated mutex
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(função pública membro) [edit]