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Describes an object that atomically sets and clears a bool flag. Operations on atomic flags are always lock-free.
struct atomic_flag;
Members
Public Methods
Name |
Description |
|---|---|
Sets the stored flag to false. |
|
Sets the stored flag to true and returns the initial flag value. |
Remarks
atomic_flag objects can be passed to the non-member functions atomic_flag_clear, atomic_flag_clear_explicit, atomic_flag_test_and_set, and atomic_flag_test_and_set_explicit. They can be initialized by using the value ATOMIC_FLAG_INIT.
Requirements
Header: atomic
Namespace: std