DevHelp UnLock: Difference between revisions
Created page with "This service unlocks a locked memory segment. ==Syntax== ===C=== USHORT APIENTRY DevHelp_UnLock (ULONG Lockhandle) ===Assembler=== <PRE> MOV BX,lock_handle_low ; H..." |
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This service unlocks a locked memory segment. | This service unlocks a locked memory segment. | ||
Latest revision as of 03:19, 23 May 2025
This service unlocks a locked memory segment.
Syntax
C
USHORT APIENTRY DevHelp_UnLock (ULONG Lockhandle)
Assembler
MOV BX,lock_handle_low ; Handle for segment returned by Lock MOV AX,lock_handle_high ; MOV DL,DevHlp_UnLock CALL [Device_Help]
Parameters
C
- LockHandle (ULONG)
- Handle for segment returned by Lock.
Assembler
MOV BX,lock_handle_low ; Handle for segment returned by Lock MOV AX,lock_handle_high ;
Return Code
C
Success Indicator: 0 if segment is unlocked.
Assembler
'C' Clear if segment unlocked.
'C' Set if error.
AX = Error code.
Remarks
None
Example Code
C
#include "dhcalls.h" USHORT APIENTRY DevHelp_UnLock (ULONG Lockhandle)