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std::timed_mutex::try_lock_until

Da cppreference.com
< cpp‎ | thread‎ | timed mutex

 
 
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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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Futures
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async(C++11)
launch(C++11)
future_status(C++11)
future_error(C++11)
future_category(C++11)
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std::timed_mutex
Funções de membro
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Member functions
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timed_mutex::timed_mutex
Bloqueio
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Locking
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timed_mutex::lock
timed_mutex::try_lock
timed_mutex::try_lock_for
timed_mutex::try_lock_until
timed_mutex::unlock
Identificador nativo
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Native handle
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timed_mutex::native_handle
 
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. 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 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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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 o bloqueio foi adquirida com sucesso, caso contrário, false.
Original:
true if the lock was acquired successfully, otherwise false.
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[editar] Exceções

[editar] Exemplo

Este exemplo mostra um bloco de dois minutos
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This example shows a two minute block
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#include <iostream>
#include <ctime>
#include <chrono>
#include <mutex>
 
int main()
{
    std::timed_mutex test;
    test.try_lock();
    auto now=std::chrono::steady_clock::now();
    test.try_lock_until(now+std::chrono::minutes(2));
    std::cout << "hello world";
 
}


[editar] Veja também

bloqueia o mutex, blocos se o mutex não está disponível
Original:
locks the mutex, blocks if the mutex is not available
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(função pública membro) [edit]
tenta bloquear o mutex, retorna se o mutex não está disponível
Original:
tries to lock the mutex, returns if the mutex is not available
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(função pública membro) [edit]
tenta bloquear o mutex, retorna se o mutex tem been
unavailable para a duração do tempo limite especificado
Original:
tries to lock the mutex, returns if the mutex has been
unavailable for the specified timeout duration
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(função pública membro) [edit]
destrave o mutex
Original:
unlocks the mutex
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(função pública membro) [edit]