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atomic_signal_fence

De cppreference.com
< c‎ | atomic

 
 
Operaciones de biblioteca Atómica
Tipos
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Types
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memory_order
atomic_flag
Macros
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Macros
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ATOMIC_***_LOCK_FREE
ATOMIC_FLAG_INIT
ATOMIC_VAR_INIT
kill_dependency
Funciones
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Functions
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atomic_flag_test_and_set
atomic_flag_clear
atomic_init
atomic_is_lock_free
atomic_store
atomic_load
atomic_exchange
atomic_compare_exchange
atomic_fetch_add
atomic_fetch_sub
atomic_fetch_or
atomic_fetch_xor
atomic_fetch_and
atomic_thread_fence
atomic_signal_fence
 
Defined in header <stdatomic.h>
void atomic_signal_fence( memory_order order );
(desde C11)
Establece la sincronización de la memoria ordenación de accesos atómicas no atómicas y relajado, siguiendo las instrucciones de order, entre un hilo y un manejador de señales ejecuta en el mismo subproceso. Esto es equivalente a std::atomic_thread_fence, excepto no hay instrucciones de CPU para ordenar la memoria se emiten. Sólo reordenamiento de las instrucciones del compilador se suprime como order instruye. Por ejemplo, escribe no se puede mover más allá de una valla con la semántica de liberación y lee no se puede mover por delante de una valla con adquirir semántica .
Original:
Establishes memory synchronization ordering of non-atomic and relaxed atomic accesses, as instructed by order, between a thread and a signal handler executed on the same thread. This is equivalent to std::atomic_thread_fence, except no CPU instructions for memory ordering are issued. Only reordering of the instructions by the compiler is suppressed as order instructs. For example, writes cannot be moved past a fence with release semantics and reads cannot be moved ahead of a fence with acquire semantics.
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[editar] Parámetros

order -
la memoria ordenamiento ejecutado por la valla
Original:
the memory ordering executed by this fence
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[editar] Valor de retorno

(Ninguno)
Original:
(none)
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[editar] Ver también

memoria genérica depende del orden de sincronización de la cerca primitiva
Original:
generic memory order-dependent fence synchronization primitive
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(función) [edit]
C++ documentation for atomic_signal_fence