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CComMultiThreadModelNoCS::Decrement

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This static function calls the Win32 function InterlockedDecrement, which decrements the value of the variable pointed to by p.

static ULONG WINAPI Decrement( 
   LPLONG p  
) throw( );

Parameters

  • p
    [in] Pointer to the variable to be decremented.

Return Value

If the result of the decrement is 0, then Decrement returns 0. If the result of the decrement is nonzero, the return value is also nonzero but may not equal the result of the decrement.

Remarks

InterlockedDecrement prevents more than one thread from simultaneously using this variable.

Requirements

Header: atlbase.h

See Also

Reference

CComMultiThreadModelNoCS Class

CComMultiThreadModelNoCS::Increment