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std::recursive_mutex

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Tema Biblioteca de ayuda
Threads
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Threads
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(C++11)
this_thread espacio de nombres
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this_thread namespace
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(C++11)
(C++11)
(C++11)
Exclusión mutua
Original:
Mutual exclusion
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(C++11)
recursive_mutex
(C++11)
Gestión de bloqueos genérico
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Generic lock management
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(C++11)
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(C++11)(C++11)(C++11)
Las variables de condición
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Condition variables
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(C++11)
Futuros
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Futures
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(C++11)
(C++11)
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(C++11)
 
std::recursive_mutex
Las funciones miembro
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Member functions
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Bloqueo
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Locking
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Identificador nativo
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Native handle
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Definido en la cabecera <mutex>
class recursive_mutex;
(desde C++11)
La clase recursive_mutex es una primitiva de sincronización que se puede utilizar para proteger los datos compartidos de ser simultáneamente acceso a varios subprocesos .
Original:
The recursive_mutex class is a synchronization primitive that can be used to protect shared data from being simultaneously accessed by multiple threads.
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recursive_mutex ofrece semántica exclusiva, la propiedad recursiva:
Original:
recursive_mutex offers exclusive, recursive ownership semantics:
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  • Un subproceso de la llamada' posee una recursive_mutex durante un período de tiempo que comienza cuando se llama correctamente ya sea lock o try_lock. Durante este periodo, el hilo se puede hacer llamadas adicionales a lock o try_lock. El período de la propiedad termina cuando el hilo hace una serie de llamadas al juego unlock .
    Original:
    A calling thread owns a recursive_mutex for a period of time that starts when it successfully calls either lock or try_lock. During this period, the thread may make additional calls to lock or try_lock. The period of ownership ends when the thread makes a matching number of calls to unlock.
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  • Cuando un hilo posee una recursive_mutex, todos los otros hilos se bloqueará (para las llamadas a lock) o recibir un valor de retorno false (por try_lock) si intentan reclamar la propiedad de la recursive_mutex .
    Original:
    When a thread owns a recursive_mutex, all other threads will block (for calls to lock) or receive a false return value (for try_lock) if they attempt to claim ownership of the recursive_mutex.
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  • El número máximo de veces que un recursive_mutex pueden ser bloqueados no está especificado, pero después de ese número se alcanza, las llamadas a lock lanzará std::system_error y llama a try_lock volverá false .
    Original:
    The maximum number of times that a recursive_mutex may be locked is unspecified, but after that number is reached, calls to lock will throw std::system_error and calls to try_lock will return false.
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El comportamiento de un programa es indefinido si un recursive_mutex se destruye mientras sigue en manos de un hilo. La clase recursive_mutex no es copiable .
Original:
The behavior of a program is undefined if a recursive_mutex is destroyed while still owned by some thread. The recursive_mutex class is non-copyable.
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Contenido

[editar] Tipos de miembros

Miembro de tipo
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Member type
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Definition
native_handle_type
' Definido por la implantación
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implementation-defined
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[editar] Las funciones miembro

construye el mutex
Original:
constructs the mutex
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(función miembro público) [editar]
Bloqueo
Original:
Locking
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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]
desbloquea el mutex
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unlocks the mutex
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(función miembro público) [editar]
Identificador nativo
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Native handle
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devuelve la implementación subyacente definida por el identificador de subproceso
Original:
returns the underlying implementation-defined thread handle
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(función miembro público) [editar]