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atomic_flag_test_and_set Function

Sets the bool flag in an atomic_flag object to true, within the constraints of the memory_order_seq_cst memory_order.

inline bool atomic_flag_test_and_set(
   volatile atomic_flag *Flag,
) _NOEXCEPT;
inline bool atomic_flag_test_and_set(
   atomic_flag *Flag,
) _NOEXCEPT;

Flag

A pointer to an atomic_flag object.

The initial value of Flag.

Header: atomic

Namespace: std

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