Unit 'System' Package
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InterlockedDecrement

Thread-safe decrement.

Declaration

Source position: systemh.inc line 1595

function InterlockedDecrement(

  var Target: LongInt

):LongInt;

function InterlockedDecrement(

  var Target: Pointer

):Pointer;

function InterlockedDecrement(

  var Target: Cardinal

):Cardinal;

Description

InterLockedDecrement decrements 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

InterLockedIncrement

  

Thread-safe increment.

InterLockedExchange

  

Exchange 2 integers in a thread-safe way.

InterLockedExchangeAdd

  

Thread-safe add and exchange of 2 values.

InterlockedCompareExchange

  

Conditional exchange.


Documentation generated on: Oct 02 2024