InterlockedDecrement
Thread-safe decrement
Declaration
Source position: systemh.inc line 1527
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
| Name | Description |
|---|---|
| InterlockedCompareExchange | Conditional exchange |
| InterLockedExchange | Exchange 2 integers in a thread-safe way |
| InterLockedExchangeAdd | Thread-safe add and exchange of 2 values |
| InterLockedIncrement | Thread-safe increment |