| 1 | /* $Id: strmbuff.hpp 166 2001-03-22 18:13:01Z sandervl $ */
|
|---|
| 2 |
|
|---|
| 3 | /* SCCSID = %W% %E% */
|
|---|
| 4 | /****************************************************************************
|
|---|
| 5 | * *
|
|---|
| 6 | * Copyright (c) IBM Corporation 1994 - 1997. *
|
|---|
| 7 | * *
|
|---|
| 8 | * The following IBM OS/2 source code is provided to you solely for the *
|
|---|
| 9 | * the purpose of assisting you in your development of OS/2 device drivers. *
|
|---|
| 10 | * You may use this code in accordance with the IBM License Agreement *
|
|---|
| 11 | * provided in the IBM Device Driver Source Kit for OS/2. *
|
|---|
| 12 | * *
|
|---|
| 13 | ****************************************************************************/
|
|---|
| 14 | /**@internal %W%
|
|---|
| 15 | * Defines, class definations and prototypes for
|
|---|
| 16 | * @version %I%
|
|---|
| 17 | * @context Unless otherwise noted, all interfaces are Ring-0, 16-bit,
|
|---|
| 18 | * <stack context>.
|
|---|
| 19 | * @history
|
|---|
| 20 | *
|
|---|
| 21 | */
|
|---|
| 22 | #ifndef STREAMBUFFER_INCLUDED
|
|---|
| 23 | #define STREAMBUFFER_INCLUDED
|
|---|
| 24 |
|
|---|
| 25 | #include "queue.hpp"
|
|---|
| 26 |
|
|---|
| 27 | typedef BYTE __far *PSTREAMBUF;
|
|---|
| 28 |
|
|---|
| 29 | class STREAMBUFFER : public QUEUEELEMENT{
|
|---|
| 30 |
|
|---|
| 31 | public:
|
|---|
| 32 | PSTREAMBUF pBuffptr; // pointer to the stream buffer
|
|---|
| 33 | ULONG ulBuffsz; // size of stream buffer
|
|---|
| 34 | ULONG ulBuffpos; // Current buffer position
|
|---|
| 35 | ULONG ulDonepos; // position at which the buffer can be returned
|
|---|
| 36 | STREAMBUFFER(ULONG bufsize, PSTREAMBUF bufptr):
|
|---|
| 37 | pBuffptr(bufptr),
|
|---|
| 38 | ulBuffsz(bufsize),
|
|---|
| 39 | ulBuffpos(0),
|
|---|
| 40 | ulDonepos(0)
|
|---|
| 41 | {};
|
|---|
| 42 |
|
|---|
| 43 | };
|
|---|
| 44 | typedef STREAMBUFFER *PSTREAMBUFFER;
|
|---|
| 45 |
|
|---|
| 46 |
|
|---|
| 47 | class STREAMBUFFEREX : public STREAMBUFFER
|
|---|
| 48 | {
|
|---|
| 49 | public:
|
|---|
| 50 | STREAMBUFFEREX(ULONG bufsize, PSTREAMBUF bufptr, ULONG lockHandle):
|
|---|
| 51 | STREAMBUFFER(bufsize, bufptr), hLock(lockHandle), fDone(FALSE)
|
|---|
| 52 | {};
|
|---|
| 53 |
|
|---|
| 54 | ULONG hLock;
|
|---|
| 55 | BOOL fDone;
|
|---|
| 56 |
|
|---|
| 57 | };
|
|---|
| 58 | typedef STREAMBUFFEREX *PSTREAMBUFFEREX;
|
|---|
| 59 |
|
|---|
| 60 | #endif
|
|---|
