Espacios de nombres
Variantes
Acciones

std::thread::joinable

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< cpp‎ | thread‎ | thread

 
 
Tema Biblioteca de ayuda
Threads
Original:
Threads
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(C++11)
this_thread espacio de nombres
Original:
this_thread namespace
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(C++11)
(C++11)
(C++11)
Exclusión mutua
Original:
Mutual exclusion
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(C++11)
Gestión de bloqueos genérico
Original:
Generic lock management
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(C++11)
(C++11)
(C++11)
(C++11)(C++11)(C++11)
Las variables de condición
Original:
Condition variables
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(C++11)
Futuros
Original:
Futures
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(C++11)
(C++11)
(C++11)
(C++11)
 
std::thread
Clases de miembros
Original:
Member classes
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Las funciones miembro
Original:
Member functions
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Los observadores
Original:
Observers
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thread::joinable
Operaciones
Original:
Operations
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Terceros funciones
Original:
Non-member functions
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bool joinable();
(desde C++11)
Comprueba si el objeto hilo identifica un subproceso activo de la ejecución. En concreto, los rendimientos true si 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().
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Contenido

[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] Valor de retorno

true si el objeto hilo identifica un subproceso activo de la ejecución, false lo contrario
Original:
true if the thread object identifies an active thread of execution, false otherwise
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[editar] Excepciones

noexcept specification:  
noexcept
  (desde C++11)

[editar] Ejemplo

#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();
}

Salida:

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

[editar] Ver también

devuelve el id del hilo
(función miembro público) [editar]
espera a que el hilo termine su ejecución
(función miembro público) [editar]
desvincula el objeto del hilo en ejecución, ya no se puede hacer join y se puede destruir libremente
(función miembro público) [editar]