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    std::unique_lock::try_lock

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    <metanoindex/>

     
    C++
     
    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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    std::unique_lock
    Les fonctions membres
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    Member functions
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    unique_lock::unique_lock
    unique_lock::~unique_lock
    unique_lock::operator=
    Verrouiller
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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
    Modificateurs
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    Modifiers
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    unique_lock::swap
    unique_lock::release
    Des observateurs
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    Observers
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    unique_lock::mutex
    unique_lock::owns_lock
    unique_lock::operator bool
    Tiers fonctions
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    bool try_lock();
    		 (depuis C++11)
    Essaie de verrouiller le mutex associé sans blocage. Appelle effectivement mutex()->try_lock() .
    Original:
    Tries to lock the associated mutex without blocking. Effectively calls mutex()->try_lock().
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    std::system_error est levée si il n'ya pas de mutex associé ou si le mutex est déjà verrouillé .
    Original:
    std::system_error is thrown if there is no associated mutex or if the mutex is already locked.
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    Paramètres

    (Aucun)
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    (none)
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    Retourne la valeur

    true si la propriété du mutex a été acquis avec succès, false autrement .
    Original:
    true if the ownership of the mutex has been acquired successfully, false otherwise.
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    Exceptions

    • Toutes les exceptions levées par mutex()->try_lock()
      Original:
      Any exceptions thrown by mutex()->try_lock()
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    • S'il n'y a pas associé mutex, std::system_error avec un code d'erreur std::errc::operation_not_permitted
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      If there is no associated mutex, std::system_error with an error code of std::errc::operation_not_permitted
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    • Si le mutex est déjà verrouillé, std::system_error avec un code d'erreur 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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    Exemple

    This section is incomplete
    Reason: no example

    Voir aussi

    		 locks the associated mutex
    (fonction membre publique) [edit]
    tente de verrouiller le mutex associé TimedLockable, les retours si le mutex a été indisponible pendant la durée de temps spécifiée
    Original:
    attempts to lock the associated TimedLockable mutex, returns if the mutex has been unavailable for the specified time duration
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    (fonction membre publique) [edit]
    essaye de verrouiller le mutex associé TimedLockable, les retours si le mutex est indisponible jusqu'à ce que spécifiée point de temps a été atteinte
    Original:
    tries to lock the associated TimedLockable mutex, returns if the mutex has been unavailable until specified time point has been reached
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    (fonction membre publique) [edit]
    déverrouille le mutex associé
    Original:
    unlocks the associated mutex
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    (fonction membre publique) [edit]