JCL Help:LockedExchangeInc@Int64

From Project JEDI Wiki
Jump to navigationJump to search


Summary

Thread safe increment.


Pascal

 function LockedExchangeInc(var Target: Integer): Integer; overload;
function LockedExchangeInc(var Target: Int64): Int64; overload;


Parameters

Parameters Description
var Target: Integer The variable to increment.


Return Value

The value of Target before the increment.


Description

LockedExchangeInc increments the specified Integer in an atomic, thread-safe manner. The LockedXxx functions allow for a simple and efficient way for applications to synchronize access to and manipulate integer variables which are shared by multiple threads.


See Also

LockedExchangeAdd LockedExchangeSub LockedExchange LockedExchangeDec


About

Unit

JclSynch


Donator

Azret Botash


Notes

The Win32 API provides similar functions. Look up InterlockedXxx in the Platform SDK.


Contribute to this help topic

This documentation wiki is based on the collaborative effort of Project JEDI users. Your edits are welcome in order to improve documentation quality: edit this page