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- head 1.1;
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- version39-41:1.1;
- locks;
- comment @ * @;
-
-
- 1.1
- date 92.05.14.19.55.40; author mwild; state Exp;
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-
-
- desc
- @lowlevel close function for plain files
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * 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.
- *
- * $Id$
- *
- * $Log$
- */
-
- #define KERNEL
- #include "ixemul.h"
-
- #undef DEBUG
-
- #ifdef DEBUG
- #define DP(a) kprintf a
- #else
- #define DP(a)
- #endif
-
- int
- __close(struct file *f)
- {
- int omask;
-
- ix_lock_base ();
-
- f->f_count--;
-
- /* DP(("__close: closing file $%lx, f_count now %ld.\n", f, f->f_count)); */
- if (f->f_count > 0) goto unlock;
- /* don't need file locking here... if the counter is down to 0, nobody
- else CAN have this file locked */
- __wait_packet(&f->f_sp);
-
- if (!(f->f_flags & FEXTOPEN))
- __Close (CTOBPTR (f->f_fh));
-
- /* if we have to set some modes, do it now */
- if (f->f_stb_dirty)
- {
- syscall (SYS_chmod, f->f_name, f->f_stb.st_mode);
- /* should later also set modification time */
- }
-
- if (f->f_flags & FUNLINK) syscall (SYS_unlink, f->f_name);
-
- /* NOTE: the FEXTOPEN flag tells us two things: 1) we shouldn't
- * perform a Close() on the filehandle, and 2) the name in the
- * file structure wasn't allocated by malloc(), so we shouldn't
- * free() it either. */
- if (!(f->f_flags & FEXTOPEN) && f->f_name)
- {
- /* DP(("f->f_name(%s) ", f->f_name));*/
- kfree (f->f_name);
- }
-
- if (f->f_async_len)
- {
- /* DP(("f->f_async_len "));*/
- kfree (f->f_async_buf);
- }
-
- unlock:
- ix_unlock_base ();
-
- return 0;
- }
- @
-