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    InterlockedCompareExchangePointer

    Compare pointers in an atomic operation.

    Declaration

    Source position: systemh.inc line 1673

    function InterlockedCompareExchangePointer(var Target: Pointer; 
                                          NewValue: Pointer; 
                                          Comperand: Pointer) : Pointer;external name 'FPC_INTERLOCKEDCOMPAREEXCHANGE64';

    Description

    InterlockedCompareExchangePointer compares Comparand with Target. if they are equal, replaces Target with NewValue. This is done in a single atomic operation.

    See also

    Name Description
    InterlockedCompareExchange Conditional exchange.