MFSH_LOCK
From EDM2
Lock a segment in place in physical memory.
Contents
Syntax
int far pascal MFSH_LOCK(usSel, pulHandle)
Parameters
- usSel
- is the selector of the segment to be locked.
- pulHandle
- is a pointer to a double word which is filled in by the helper with the lock handle.
Returns
If no error is detected, a zero error code is returned. If an error is detected, one of the following error codes is returned:
- ERROR_PROTECTION_VIOLATION
- the supplied address or selector is invalid.
Sample
unsigned short usSel; unsigned long far * pulHandle; int far pascal MFSH_LOCK(usSel, pulHandle)
Remarks
This helper is for use by a mini-FSD with an imbedded device driver. It is the same as the standard device driver LOCK helper with the following assumptions: The lock is defined to be short term and will block until the segment is loaded.