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std::timed_mutex::unlock

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< cpp‎ | thread‎ | timed mutex

 
 
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
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Mutual exclusion
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mutex (C++11)
timed_mutex (C++11)
Gestion du verrouillage générique
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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)
Les variables de condition
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Condition variables
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future_error (C++11)
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future_errc (C++11)
 
std::timed_mutex
Les fonctions membres
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Member functions
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timed_mutex::timed_mutex
Verrouiller
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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
Handle natif
Original:
Native handle
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timed_mutex::native_handle
 
void unlock();
(depuis C++11)
Déverrouille le mutex .
Original:
Unlocks the mutex.
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Sommaire

[modifier] Paramètres

(Aucun)
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(none)
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[modifier] Retourne la valeur

(Aucun)
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(none)
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[modifier] Exceptions

[modifier] Exemple

Cet exemple montre serrure, try_lock et déverrouiller en action
Original:
This example shows lock, try_lock and unlock in action
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#include <iostream>
#include <mutex>
 
int main()
{
    std::mutex test;
    if (test.try_lock()==true)
        std::cout << "lock acquired" << std::endl;
    else
        std::cout << "lock not acquired" << std::endl;
    test.unlock();	//now unlock the mutex
    test.lock();	//to lock it again
    if (test.try_lock())  //true can be left out
        std::cout << "lock acquired" << std::endl;
    else
        std::cout << "lock not acquired" << std::endl;
    test.lock(); //and now the finale (a block)
}

Résultat :

lock acquired
lock not acquired
(program hangs)

[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]
essaie de verrouiller le mutex, si le mutex retourne a been
unavailable jusqu'à ce point dans le temps spécifié a été atteint
Original:
tries to lock the mutex, returns if the mutex has been
unavailable until specified time point has been reached
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(fonction membre publique) [edit]