head	1.4;
access;
symbols
	version39-45:1.3
	version39-41:1.1;
locks;
comment	@ *  @;


1.4
date	94.06.19.15.19.32;	author rluebbert;	state Exp;
branches;
next	1.3;

1.3
date	92.08.09.20.40.01;	author amiga;	state Exp;
branches;
next	1.2;

1.2
date	92.07.28.02.50.59;	author mwild;	state Exp;
branches;
next	1.1;

1.1
date	92.05.14.19.55.40;	author mwild;	state Exp;
branches;
next	;


desc
@UnLock() and Close() replacements
@


1.4
log
@*** empty log message ***
@
text
@/*
 *  This file is part of ixemul.library for the Amiga.
 *  Copyright (C) 1991, 1992  Markus M. Wild
 *  Portions Copyright (C) 1994 Rafael W. Luebbert
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  $Id: __unlock.c,v 1.2 1992/07/28 02:50:59 mwild Exp $
 *
 *  $Log: __unlock.c,v $
 *  Revision 1.2  1992/07/28  02:50:59  mwild
 *  call FreeDosObject instead of kfree() when > 1.3
 *
 *  Revision 1.1  1992/05/14  19:55:40  mwild
 *  Initial revision
 *
 */

#define KERNEL
#include "ixemul.h"


#if __GNUC__ != 2
#define alloca __builtin_alloca
#endif

int
__unlock (BPTR lock)
{
  struct StandardPacket *sp;
  
  sp = alloca(sizeof(*sp)+2);
  sp = LONG_ALIGN (sp);
  __init_std_packet(sp);

  sp->sp_Pkt.dp_Port = u.u_sync_mp;
  sp->sp_Pkt.dp_Type = ACTION_FREE_LOCK;
  sp->sp_Pkt.dp_Arg1 = lock;

  PutPacket (((struct FileLock *)BTOCPTR (lock))->fl_Task, sp);
  __wait_sync_packet (sp);
  
  /* set up Result2 so that the IoErr() works */
  ((struct Process *)FindTask (0))->pr_Result2 = sp->sp_Pkt.dp_Res2;

  return sp->sp_Pkt.dp_Res1;
}

/* ATTENTION: name-clash between sysio-__close and DOS-__Close !! */
int
__Close (BPTR fh)
{
  struct StandardPacket *sp;
  struct FileHandle *fhp = BTOCPTR (fh);
  
  /* only do this is not closing a dummy NIL: filehandle */
  if (fhp->fh_Type)
    {
      sp = alloca(sizeof(*sp)+2);
      sp = LONG_ALIGN (sp);
      __init_std_packet(sp);

      sp->sp_Pkt.dp_Port = u.u_sync_mp;
      sp->sp_Pkt.dp_Type = ACTION_END;
      sp->sp_Pkt.dp_Arg1 = fhp->fh_Arg1;

      PutPacket (fhp->fh_Type, sp);
      __wait_sync_packet (sp);
    }
  
    FreeDosObject (DOS_FILEHANDLE, fhp);

  /* set up Result2 so that the IoErr() works */
  ((struct Process *)FindTask (0))->pr_Result2 = sp->sp_Pkt.dp_Res2;

  return sp->sp_Pkt.dp_Res1;
}
@


1.3
log
@change to use 2.x header files by default
@
text
@d4 1
a34 3
extern int _dos20;


a82 7
  if (! _dos20)
    {
      /* free our filehandle. skip over the hidden length-field at the
       * start */
      kfree (((unsigned long *)fhp) - 1);
    }
  else
@


1.2
log
@call FreeDosObject instead of kfree() when > 1.3
@
text
@d19 1
a19 1
 *  $Id: __unlock.c,v 1.1 1992/05/14 19:55:40 mwild Exp $
d22 3
a32 17
#define BASE_EXT_DECL
#define BASE_PAR_DECL	
#define BASE_PAR_DECL0	
#define BASE_NAME	ix.ix_dos_base
static __inline void 
FreeDosObject (BASE_PAR_DECL unsigned long type,APTR ptr)
{
  BASE_EXT_DECL
  register struct DosLibrary *a6 __asm("a6") = BASE_NAME;
  register unsigned long d1 __asm("d1") = type;
  register APTR d2 __asm("d2") = ptr;
  __asm __volatile ("jsr a6@@(-0xea)"
  : /* no output */
  : "r" (a6), "r" (d1), "r" (d2)
  : "a0","a1","d0","d1","d2", "memory");
}
#define DOS_FILEHANDLE	0
@


1.1
log
@Initial revision
@
text
@d19 1
a19 1
 *  $Id$
d21 4
a24 1
 *  $Log$
d30 21
d99 8
a106 3
  /* free our filehandle. skip over the hidden length-field at the
   * start */
  kfree (((unsigned long *)fhp) - 1);
@