JCL Help:QuerySemaphore

 JCL Help: QuerySemaphore Function

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Summary

Returns information about a semaphore object.

Pascal

 function QuerySemaphore(Handle: THandle; var Info: TSemaphoreCounts): Boolean;

Parameters

Parameters	Description
Handle: THandle	Handle of the semaphore object for which you want information.
var Info: TSemaphoreCounts	Received information about the event. TSemaphoreInfo is defined as: TSemaphoreCounts = record CurrentCount: Longint; MaximumCount: Longint; end; The following table describes the members of this record:

Return Value

If the function succeeds it returns True, otherwise it returns False. In the latter case the contents of the Info parameter are undefined.

Description

QuerySemaphore returns information about the semaphore object specified by Handle. The information is returned in a TSemaphoreInfo record and contains members to indicate the semaphores' current and maximum count.

About

Unit

JclSynch

Donator

Marcel van Brakel

Contributors

Anonymous

Notes

This function relies on undocumented information and uses an undocumented API call.

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