/*
    (C) 1995-96 AROS - The Amiga Replacement OS
    $Id: ram_handler_gcc.h,v 1.3 1996/10/24 15:50:22 aros Exp $
    $Log: ram_handler_gcc.h,v $
    Revision 1.3  1996/10/24 15:50:22  aros
    Use the official AROS macros over the __AROS versions.

    Revision 1.2  1996/10/10 13:16:45  digulla
    ? (Fleischer)

    Revision 1.1  1996/09/11 12:52:54  digulla
    Two new devices by M. Fleischer: RAM: and NIL:


    Desc:
    Lang:
*/
#ifndef RAM_HANDLER_GCC_H
#define RAM_HANDLER_GCC_H
#include <aros/libcall.h>
#include <exec/execbase.h>
#include <exec/io.h>
#include <exec/devices.h>
#include <dos/dos.h>
#include <dos/filesystem.h>

struct rambase
{
    struct Device device;
    struct ExecBase *sysbase;
    struct DosLibrary *dosbase;
    struct UtilityBase *utilitybase;
    BPTR seglist;
    struct MsgPort *port;		/* Port to put IORequests to */
    struct SignalSemaphore *sigsem;	/* Semaphore for iofs */
    struct IOFileSys *iofs;		/* IORequest to be aborted or NULL */
};

#define init(rambase, segList) \
AROS_LC2(struct rambase *, init, AROS_LCA(struct rambase *, rambase, D0), AROS_LCA(BPTR, segList, A0), struct ExecBase *, SysBase, 0, ram)

#define open(iob, unitnum, flags) \
AROS_LC3(void, open, AROS_LCA(struct ramrequest *, iob, A1), AROS_LCA(ULONG, unitnum, D0), AROS_LCA(ULONG, flags, D0), struct rambase *, rambase, 1, ram)

#define close(iob) \
AROS_LC1(BPTR, close, AROS_LCA(struct ramrequest *, iob, A1), struct rambase *, rambase, 2, ram)

#define expunge() \
AROS_LC0(BPTR, expunge, struct rambase *, rambase, 3, ram)

#define null() \
AROS_LC0(int, null, struct rambase *, rambase, 4, ram)

#define beginio(iob) \
AROS_LC1(void, beginio, AROS_LCA(struct ramrequest *, iob, A1), struct rambase *, rambase, 5, ram)

#define abortio(iob) \
AROS_LC1(LONG, abortio, AROS_LCA(struct ramrequest *, iob, A1), struct rambase *, rambase, 6, ram)

#endif