DevHlp_ReleaseSpinLock

Description

Release a subsystem spinlock.

This function releases ownership of a subsystem spinlock.

Spinlock handle.

Return code.

 ;       dh_ReleaseSpinLock - Release a subsystem spinlock. ;
 ;       Releases ownership of a subsystem spinlock. Used by device drivers.
 ;
 ;       ENTRY:  AX:BX = spinlock handle
 ;
 ;       EXIT:   None
 ;
 ;       USES:   Flags
 ;

   hSpinLock       dd      ?            ; 16:16

   MOV     AX,hSpinLockHighWord         ; high word of handle
   MOV     BX,hSpinLockLowWord          ; low word of handle
   MOV     DL,DevHlp_ReleaseSpinLock    ;
   CALL    DevHlp
   JC      Error