NPA_Btr

Atomic bit reset function for multiprocessor (MP) safe operation.

Thread Context:Non-Blocking
Requirements: The memory location must be valid or the system abends.

Syntax

    LONG NPA_Btr (
       LONG  *value 
       LONG   position
    );

Parameters

value
(IN) Points to the value to be modified.
position
(IN) Constant indicating position of the bit to be reset (0..31).

Return Values

Returns the value of the original bit (0 or 1).

Remarks

Clears the bit in the position specified and returns the original value of the bit.