MFSH_UNLOCK - Unlock a segment

Purpose

Unlock a segment which was previous locked by calling MFSH_LOCK.

Calling Sequence

int far pascal MFSH_SEGREALLOC(ulHandle) unsigned long ulHandle;

Where

ulHandle contains the handle returned from MFSH_LOCK of the segment to unlock.

Returns

If no error is detected, a zero error code is returned. If an error is detected, the following error code is returned:

ERROR_PROTECTION_VIOLATION – the supplied address is invalid.

Remarks

This helper is for use by a mini-FSD with an imbedded device driver. It is the same as the standard device driver helper UNLOCK.