home *** CD-ROM | disk | FTP | other *** search
- /*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * 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.
- */
-
- #define _KERNEL
- #include "ixemul.h"
-
- int __unlock (BPTR lock)
- {
- struct StandardPacket *sp;
-
- if (lock == NULL)
- return 0;
- 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 !! */
- void __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);
-
- /* set up Result2 so that the IoErr() works */
- ((struct Process *)FindTask (0))->pr_Result2 = sp->sp_Pkt.dp_Res2;
- }
- else
- ((struct Process *)FindTask (0))->pr_Result2 = 0;
-
- FreeDosObject (DOS_FILEHANDLE, fhp);
- }
-