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      std::packaged_task::operator()

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      C++
       
      Bibliothèque de support fil
      Threads
      Original:
      Threads
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      thread (C++11)
      this_thread espace de noms
      Original:
      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
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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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      condition_variable (C++11)
      condition_variable_any (C++11)
      notify_all_at_thread_exit (C++11)
      cv_status (C++11)
      Futures
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      Futures
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      promise (C++11)
      future (C++11)
      shared_future (C++11)
      packaged_task (C++11)
      async (C++11)
      launch (C++11)
      future_status (C++11)
      future_error (C++11)
      future_category (C++11)
      future_errc (C++11)
       
      std::packaged_task
      Les fonctions membres
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      Member functions
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      packaged_task::packaged_task
      packaged_task::~packaged_task
      packaged_task::operator=
      packaged_task::valid
      packaged_task::swap
      Obtenir le résultat
      Original:
      Getting the result
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      packaged_task::get_future
      Exécution
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      Execution
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      packaged_task::operator()
      packaged_task::make_ready_at_thread_exit
      packaged_task::reset
       
      void operator()( ArgTypes... args);
      		 (depuis C++11)
      Appelle la tâche stockée avec args que les arguments. La valeur de retour de la tâche ou les exceptions levées sont stockés dans l'état partagé. L'état partagé est prêt et les threads en attente pour ce sont débloqués .
      Original:
      Calls the stored task with args as the arguments. The return value of the task or any exceptions thrown are stored in the shared state. The shared state is made ready and any threads waiting for this are unblocked.
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      Sommaire

      [modifier]Paramètres

      args -
      les paramètres à passer à l'invocation de la tâche mémorisée
      Original:
      the parameters to pass on invocation of the stored task
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      [modifier]Retourne la valeur

      (Aucun)
      Original:
      (none)
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      [modifier]Exceptions

      std::future_error sur les conditions d'erreur suivants:
      Original:
      std::future_error on the following error conditions:
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      • La tâche stockée a déjà été invoquée. La catégorie d'erreur est mis à promise_already_satisfied .
        Original:
        The stored task has already been invoked. The error category is set to promise_already_satisfied.
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      • *this n'a pas d'état partagé. La catégorie d'erreur est mis à no_state .
        Original:
        *this has no shared state. The error category is set to no_state.
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      [modifier]Notes

      Un appel réussi à opetator() se synchronise avec un appel à une fonction membre d'une std::future ou std::shared_future que la part de leur état partagé avec *this .
      Original:
      A successful call to opetator() synchronizes with a call to any member function of a std::future or std::shared_future that share their shared state with *this.
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      [modifier]Exemple

      This section is incomplete
      Reason: no example

      [modifier]Voir aussi

      exécute la fonction de faire en sorte que le résultat est prêt une fois que le thread courant
      Original:
      executes the function ensuring that the result is ready only once the current thread exits
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      (fonction membre publique)[edit]
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/thread/packaged_task/operator()&oldid=49475 »
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