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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 = DHCALL12.ASM
- ;*
- ;* DESCRIPTIVE NAME = C callable DevHelp Interface
- ;* Event Semaphores
- ;*
- ;*
- ;* 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
- ;* 12/02/93 @V76282 76282 Moved DevHelp_PhysToGDTSel to DHCALL2
- ;*
- ;*
- ;****************************************************************************
-
- .xlist
- include dhmacs.inc
- .list
-
- Code segment dword public 'CODE'
- assume CS:Code,DS:_DATA
-
-
- ;*
- ;* 32 bit Semaphore Management
- ;*
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_OpenEventSem( ULONG hEvent );
- ;*
- ;*
-
- DHDef OpenEventSem
- DHArgs ULONG, hEvent
-
- .386p
- mov eax, Stk.hEvent
- .286p
-
- DHCall
-
- DHRet1
-
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_CloseEventSem( ULONG hEvent );
- ;*
- ;*
-
- DHDef CloseEventSem
- DHArgs ULONG, hEvent
-
- .386p
- mov eax, Stk.hEvent
- .286p
-
- DHCall
-
- DHRet1
-
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_PostEventSem( ULONG hEvent );
- ;*
- ;*
-
- DHDef PostEventSem
- DHArgs ULONG, hEvent
-
- .386p
- mov eax, Stk.hEvent
- .286p
-
- DHCall
-
- DHRet1
-
-
- ;*
- ;*
- ;* USHORT APIENTRY DevHlp_ResetEventSem( ULONG hEvent, PULONG pNumPosts );
- ;*
- ;*
-
- DHDef ResetEventSem
- DHArgs ULONG, hEvent
- DHArgs PULONG, pNumPosts
-
- .386p
- push edi
- mov eax, Stk.hEvent
- mov edi, Stk.pNumPosts
- .286p
-
- DHCall
-
- .386p
- pop edi
- .286p
- DHRet1
-
-
- Code Ends
-
-
- End
-