DevHlp CreateSpinLock: Difference between revisions
Created page with "{{DISPLAYTITLE:DevHlp_CreateSpinLock}} Create a subsystem spinlock. This function creates a subsystem spinlock. ==Parameters== Pointer to spinlock handle. ==Return Code== Exit ==Example Code== ;Assembly language ; dh_CreateSpinLock - Create a spinlock ; ; This routine creats a subsystem spinlock. ; ; ENTRY: AX:BX = pointer to store spinlock handle ; ; EXIT: None ; ; USES: EAX, Flags ;..." |
|||
| (3 intermediate revisions by 2 users not shown) | |||
| Line 4: | Line 4: | ||
This function creates a subsystem spinlock. | This function creates a subsystem spinlock. | ||
==Syntax== | |||
DevHlp_CreateSpinLock(HSpinLock FAR * pSpl) | |||
==Parameters== | ==Parameters== | ||
Pointer to spinlock handle. | ;''pSpl'' ([[HSPINLOCK]]) - input: Pointer to spinlock handle. | ||
==Return Code== | ==Return Code== | ||
| Line 26: | Line 29: | ||
MOV AX,AddressHigh ; high word of address | MOV AX,AddressHigh ; high word of address | ||
MOV BX,AddressLow ; low word of address | MOV BX,AddressLow ; low word of address | ||
MOV DL,DevHlp_CreateSpinLock ; | MOV DL,DevHlp_CreateSpinLock ; 79h | ||
CALL DevHlp | CALL DevHlp | ||
JC Error | JC Error | ||
Latest revision as of 04:21, 28 May 2025
Create a subsystem spinlock.
This function creates a subsystem spinlock.
Syntax
DevHlp_CreateSpinLock(HSpinLock FAR * pSpl)
Parameters
- pSpl (HSPINLOCK) - input
- Pointer to spinlock handle.
Return Code
Exit
Example Code
- Assembly language
; dh_CreateSpinLock - Create a spinlock ;
; This routine creats a subsystem spinlock.
;
; ENTRY: AX:BX = pointer to store spinlock handle
;
; EXIT: None
;
; USES: EAX, Flags
;
MOV AX,AddressHigh ; high word of address
MOV BX,AddressLow ; low word of address
MOV DL,DevHlp_CreateSpinLock ; 79h
CALL DevHlp
JC Error