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std::atomic_flag_clear, std::atomic_flag_clear_explicit

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C++
 
Operaciones de biblioteca Atómica
Tipos
Original:
Types
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atomic(C++11)
atomic_is_lock_free(C++11)
Funciones
Original:
Functions
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atomic_store
atomic_store_explicit		(C++11)
(C++11)
atomic_load
atomic_load_explicit		(C++11)
(C++11)
atomic_exchange
atomic_exchange_explicit		(C++11)
(C++11)
atomic_compare_exchange_weak
atomic_compare_exchange_weak_explicit
atomic_compare_exchange_strong
atomic_compare_exchange_strong_explicit		(C++11)
(C++11)
(C++11)
(C++11)
atomic_fetch_add
atomic_fetch_add_explicit		(C++11)
(C++11)
atomic_fetch_sub
atomic_fetch_sub_explicit		(C++11)
(C++11)
atomic_fetch_and
atomic_fetch_and_explicit		(C++11)
(C++11)
atomic_fetch_or
atomic_fetch_or_explicit		(C++11)
(C++11)
atomic_fetch_xor
atomic_fetch_xor_explicit		(C++11)
(C++11)
Banderas atómicas
Original:
Atomic flags
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atomic_flag(C++11)
atomic_flag_test_and_set
atomic_flag_test_and_set_explicit		(C++11)
(C++11)
atomic_flag_clear
atomic_flag_clear_explicit		(C++11)
(C++11)
Inicialización
Original:
Initialization
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atomic_init(C++11)
ATOMIC_VAR_INIT(C++11)
ATOMIC_FLAG_INIT(C++11)
Memoria pedido
Original:
Memory ordering
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memory_order(C++11)
kill_dependency(C++11)
atomic_thread_fence(C++11)
atomic_signal_fence(C++11)
 
Defined in header <atomic>
void atomic_flag_clear( volatile std::atomic_flag* p );
 (1) (ya que C + +11)
void atomic_flag_clear( std::atomic_flag* p );
 (2) (ya que C + +11)
void atomic_flag_clear_explicit( volatile std::atomic_flag* p,
                                 std::memory_order order )
 (3) (ya que C + +11)
void atomic_flag_clear_explicit( std::atomic_flag* p,
                                 std::memory_order order )
 (4) (ya que C + +11)

Atomically changes the state of a std::atomic_flag pointed to by p to clear (false).

Contenido

[editar] Parámetros

p -
puntero a std::atomic_flag acceder
Original:
pointer to std::atomic_flag to access
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order - the memory sycnhronization ordering for this operation: only std::memory_order_relaxed, std::memory_order_consume, std::memory_order_acquire, or std::memory_order_seq_cst are permitted.

[editar] Valor de retorno

ninguno .
Original:
none.
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[editar] Excepciones

noexcept specification:  
noexcept
  (ya que C + +11)

[editar] Posible implementación

First version 
void atomic_flag_clear(volatile std::atomic_flag* p) 
{
    p->clear();
}
Second version 
void atomic_flag_clear(std::atomic_flag* p) 
{
    p->clear();
}
Third version 
void atomic_flag_clear_explicit(volatile std::atomic_flag* p, 
                                std::memory_order order) 
{
    p->clear(order);
}
Fourth version 
void atomic_flag_clear_explicit(std::atomic_flag* p, 
                                std::memory_order order) 
{
    p->clear(order);
}

[editar] Ver también

(C++11)
el bloqueo libre de tipo atómico booleano
Original:
the lock-free boolean atomic type
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(clase) [edit]
(C++11)
(C++11)
atómicamente establece el indicador a true y devuelve su valor anterior
Original:
atomically sets the flag to true and returns its previous value
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(función) [edit]
(C++11)
define las limitaciones de memoria de pedido para la operación dada atómica
Original:
defines memory ordering constraints for the given atomic operation
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(typedef) [edit]
C documentation for atomic_flag_clear, atomic_flag_clear_explicit
Obtenido de «http://es.cppreference.com/mwiki/index.php?title=cpp/atomic/atomic_flag_clear&oldid=21856»