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std::timed_mutex::unlock

De cppreference.com
< cpp‎ | thread‎ | timed mutex

 
 
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
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Futures
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(C++11)
(C++11)
(C++11)
(C++11)
 
std::timed_mutex
Las funciones miembro
Original:
Member functions
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Bloqueo
Original:
Locking
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timed_mutex::unlock
Identificador nativo
Original:
Native handle
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void unlock();
(desde C++11)
Desbloquea el mutex .
Original:
Unlocks the mutex.
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Contenido

[editar] Parámetros

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

(Ninguno)
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(none)
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[editar] Excepciones

[editar] Ejemplo

Este ejemplo muestra la cerradura, try_lock y desbloquear en acción
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)
}

Salida:

lock acquired
lock not acquired
(program hangs)

[editar] Ver también

bloquea el mutex, si bloquea el mutex no está disponible
Original:
locks the mutex, blocks if the mutex is not available
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(función miembro público) [editar]
intenta bloquear el mutex, devuelve si la exclusión mutua no se encuentra disponible
Original:
tries to lock the mutex, returns if the mutex is not available
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(función miembro público) [editar]
intenta bloquear el mutex, devoluciones si el mutex tiene been
unavailable durante el tiempo de espera especificado
Original:
tries to lock the mutex, returns if the mutex has been
unavailable for the specified timeout duration
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(función miembro público) [editar]
intenta bloquear el mutex, devuelve si la exclusión mutua tiene been
unavailable hasta el punto de tiempo específico ha sido alcanzado
Original:
tries to lock the mutex, returns if the mutex has been
unavailable until specified time point has been reached
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(función miembro público) [editar]