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std::atomic_init

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template< class T > void atomic_init( std::atomic<T>* obj, T desired );
template< class T > void atomic_init( volatile std::atomic<T>* obj, T desired );
- object desired. : , , .
:
Initializes the default-constructed atomic object object with the value desired. The function is not atomic: concurrent access from another thread, even through an atomic operation, is a data race.
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obj -, .
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If obj was not default-constructed, the behavior is undefined.
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obj, .
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If this function is called twice on the same obj, the behavior is undefined.
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obj
:
pointer to an atomic object to initialize
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desired
:
the value to initialize atomic object with
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noexcept:  
noexcept
  

. , std::atomic .
:
This function is provided for compatibility with C. If the compatibility is not required, std::atomic may be initialized through their non-default constructors.
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(public - std::atomic) []
C atomic_init
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