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- ;*DDK*************************************************************************/
- ;
- ; COPYRIGHT Copyright (C) 1995 IBM Corporation
- ;
- ; The following IBM OS/2 WARP source code is provided to you solely for
- ; the purpose of assisting you in your development of OS/2 WARP device
- ; drivers. You may use this code in accordance with the IBM License
- ; Agreement provided in the IBM Device Driver Source Kit for OS/2. This
- ; Copyright statement may not be removed.;
- ;*****************************************************************************/
- ; SCCSID = %w% %e%
- ;**************************************************************************
- ;*
- ;* SOURCE FILE NAME = DHCALL7.ASM
- ;*
- ;* DESCRIPTIVE NAME = C callable DevHelp Interface
- ;* Semaphore Management DevHelp Calls
- ;*
- ;*
- ;* VERSION = V2.0
- ;*
- ;* DATE
- ;*
- ;* DESCRIPTION :
- ;*
- ;* Purpose:
- ;*
- ;*
- ;*
- ;*
- ;* FUNCTIONS :
- ;*
- ;*
- ;*
- ;*
- ;*
- ;*
- ;*
- ;* NOTES
- ;*
- ;*
- ;* STRUCTURES
- ;*
- ;* EXTERNAL REFERENCES
- ;*
- ;*
- ;*
- ;* EXTERNAL FUNCTIONS
- ;*
- ;* CHANGE ACTIVITY =
- ;* DATE FLAG APAR CHANGE DESCRIPTION
- ;* -------- ---------- ----- --------------------------------------
- ;* 10/22/93 @V74979 74979 Change return type to USHORT
- ;*
- ;*
- ;****************************************************************************
-
- .xlist
- include dhmacs.inc
- .list
-
- ;*
- ;* Semaphore Management
- ;*
-
-
-
- Code segment dword public 'CODE'
- assume CS:Code,DS:_DATA
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_SemHandle( ULONG SemKey, USHORT SemUseFlag,
- ;* PULONG SemHandle );
- ;*
- ;*
-
- DHDef SemHandle
- DHArgs ULONG, SemKey
- DHArgs USHORT, SemUseFlag
- DHArgs PULONG, SemHandle
-
- mov bx, Stk.SemKey[0]
- mov ax, Stk.SemKey[2]
- mov dh, Stk.SemUseFlag
-
- DHCall
-
- les si, Stk.SemHandle
- mov es:[si][0], bx
- mov es:[si][2], ax
-
- DHRet1
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_SemClear( ULONG SemHandle );
- ;*
- ;*
-
- DHDef SemClear
- DHArgs ULONG, SemHandle
-
- mov bx, Stk.SemKey[0]
- mov ax, Stk.SemKey[2]
-
- DHCall
-
- DHRet1
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_SemRequest( ULONG SemHandle, ULONG SemTimeout );
- ;*
- ;*
-
- DHDef SemRequest
- DHArgs ULONG, SemHandle
- DHArgs ULONG, SemTimeout
-
- mov bx, Stk.SemHandle[0]
- mov ax, Stk.SemHandle[2]
- mov cx, Stk.SemTimeout[0]
- mov di, Stk.SemTimeout[2]
-
- DHCall
-
- DHRet1
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_SendEvent( USHORT EventType, USHORT Parm );
- ;*
- ;*
-
-
- DHDef SendEvent
- DHArgs USHORT, EventType
- DHArgs USHORT, Parm
-
- mov ah, Stk.EventType
- mov bx, Stk.Parm
-
- DHCall
-
- DHRet1
-
-
- Code Ends
-
-
- End
-