Skip to content

    InterlockedIncrement

    Thread-safe increment.

    Declaration

    Source position: systemh.inc line 1639

    function InterlockedIncrement(var Target: LongInt) : LongInt;

    function InterlockedIncrement(var Target: Pointer) : Pointer;external name 'FPC_INTERLOCKEDINCREMENT64';

    function InterlockedIncrement(var Target: Cardinal) : Cardinal;external name 'FPC_INTERLOCKEDINCREMENT';

    Description

    InterLockedIncrement increments Target with 1 and returns the result. This is done in a thread-safe way (i.e. only one processor is accessing the variable at a time).

    Errors

    None.

    See also

    Name Description
    InterLockedDecrement Thread-safe decrement.
    InterLockedExchange Exchange 2 integers in a thread-safe way.
    InterLockedExchangeAdd Thread-safe add and exchange of 2 values.
    InterlockedCompareExchange Conditional exchange.