Espaços nominais
Variantes
    Ações

      std::thread::joinable

      De cppreference.com

      This page has been machine-translated from the English version of the wiki using Google Translate.

      The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

      Click here for the English version of this page

      <metanoindex/>

       
      C++
       
      Biblioteca de suporte a discussão
      Threads
      Original:
      Threads
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      this_thread namespace
      Original:
      this_thread namespace
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Exclusão mútua
      Original:
      Mutual exclusion
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      Gestão de bloqueio genérico
      Original:
      Generic lock management
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)(C++11)(C++11)
      (C++11)
      (C++11)
      (C++11)(C++11)(C++11)
      Variáveis ​​de condição
      Original:
      Condition variables
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Futuros
      Original:
      Futures
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
       
      std::thread
      Aulas-Membros
      Original:
      Member classes
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      thread::id
      Funções de membro
      Original:
      Member functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      thread::thread
      thread::~thread
      thread::operator=
      Observadores
      Original:
      Observers
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      thread::joinable
      thread::get_id
      thread::native_handle
      thread::hardware_concurrency
      Operações
      Original:
      Operations
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      thread::join
      thread::detach
      thread::swap
      Não-membros funções
      Original:
      Non-member functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
       
      <tbody> </tbody>
      bool joinable();
      		 (desde C++11)
      Verifica se o objeto de discussão identifica um segmento ativo da execução. Especificamente, os retornos true se get_id() != std::thread::id().
      Original:
      Checks if the thread object identifies an active thread of execution. Specifically, returns true if get_id() != std::thread::id().
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Parâmetros

      (Nenhum)
      Original:
      (none)
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Valor de retorno

      true se o objeto de discussão identifica um segmento ativo da execução, false contrário
      Original:
      true if the thread object identifies an active thread of execution, false otherwise
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      Exceções

      noexcept specification:  
      <tbody> </tbody>
      noexcept
        (desde C++11)

      Exemplo

      #include <iostream>
#include <thread>
#include <chrono>

void foo()
{
    std::this_thread::sleep_for(std::chrono::seconds(1));
}

int main()
{
    std::thread t;
    std::cout << "before starting, joinable: " << t.joinable() << '\n';

    t = std::thread(foo);
    std::cout << "after starting, joinable: " << t.joinable() << '\n';

    t.join();
}

      Saída: 

      before starting, joinable: 0
after starting, joinable: 1

      Veja também

      		 retorna o ID do thread
      (função pública membro) [edit]
      		espera que um objeto thread termine sua execução antes de sair da função
      (função pública membro) [edit]
      permite a thread para executar de forma independente do identificador segmento
      Original:
      permits the thread to execute independently from the thread handle
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função pública membro) [edit]