std::atomic_signal_fence

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atomic_flag_waitatomic_flag_wait_explicit (C++20)(C++20)
atomic_flag_notify_one (C++20)
atomic_flag_notify_all (C++20)

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Defined in header`<atomic>`
extern"C"void atomic_signal_fence(std::memory_order order)noexcept;		(since C++11)

Establishes memory synchronization ordering of non-atomic and relaxed atomic accesses, as instructed byorder, between a thread and a signal handler executed on the same thread. This is equivalent tostd::atomic_thread_fence, except no CPU instructions for memory ordering are issued. Only reordering of the instructions by the compiler is suppressed asorder instructs. For example, a fence with release semantics prevents reads or writes from being moved past subsequent writes and a fence with acquire semantics prevents reads or writes from being moved ahead of preceding reads.

[edit]Parameters

order

the memory ordering executed by this fence

[edit]Return value

(none)

[edit]Example

This section is incomplete
Reason: no example

[edit]See also

memory_order (C++11)	defines memory ordering constraints for the given atomic operation (enum)[edit]
atomic_thread_fence (C++11)	generic memory order-dependent fence synchronization primitive (function)[edit]
C documentation foratomic_signal_fence