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std::recursive_timed_mutex::try_lock_until

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Bibliothèque de support fil
Threads
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Threads
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thread (C++11)
this_thread espace de noms
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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)
L'exclusion mutuelle
Original:
Mutual exclusion
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mutex (C++11)
timed_mutex (C++11)
Gestion du verrouillage générique
Original:
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)
Les variables de condition
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Condition variables
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condition_variable (C++11)
condition_variable_any (C++11)
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cv_status (C++11)
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Futures
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future (C++11)
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launch (C++11)
future_status (C++11)
future_error (C++11)
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future_errc (C++11)
 
std::recursive_timed_mutex
Les fonctions membres
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Member functions
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recursive_timed_mutex::recursive_timed_mutex
Verrouiller
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Locking
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recursive_timed_mutex::lock
recursive_timed_mutex::try_lock
recursive_timed_mutex::try_lock_for
recursive_timed_mutex::try_lock_until
recursive_timed_mutex::unlock
Handle natif
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Native handle
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recursive_timed_mutex::native_handle
 
template< class Clock, class Duration >
bool try_lock_until( const std::chrono::time_point<Clock,Duration>& timeout_time );
(depuis C++11)
Essaie de verrouiller le mutex. Bloque jusqu'à timeout_time spécifiée a été atteinte ou que le verrou est acquis, selon la première éventualité. Lors de l'acquisition true succès revient serrure, sinon retourne false. Peut bloquer plus longtemps que jusqu'à timeout_time a été atteint .
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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Sommaire

[modifier] Paramètres

timeout_time -
point de temps maximum pour bloquer jusqu'à
Original:
maximum time point to block until
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[modifier] Retourne la valeur

true si le verrou a été acquis avec succès, sinon false .
Original:
true if the lock was acquired successfully, otherwise false.
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[modifier] Exceptions

[modifier] Exemple

Cet exemple montre un bloc de deux minutes
Original:
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";
 
}


[modifier] Voir aussi

verrouille le mutex, bloque si le mutex n'est pas disponible
(fonction membre publique) [edit]
essaie de verrouiller le mutex, retourne si le mutex n'est pas disponible
Original:
tries to lock the mutex, returns if the mutex is not available
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(fonction membre publique) [edit]
essaie de verrouiller le mutex, les retours si le mutex a been
unavailable pour la durée d'attente spécifié
Original:
tries to lock the mutex, returns if the mutex has been
unavailable for the specified timeout duration
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(fonction membre publique) [edit]
déverrouille le mutex
Original:
unlocks the mutex
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(fonction membre publique) [edit]