diff options
author | Thomas Schwinge <tschwinge@gnu.org> | 2006-02-20 21:10:28 +0000 |
---|---|---|
committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-06-18 00:26:35 +0200 |
commit | ef4ad2eff0364329bb0e35865c2fcdcad364b739 (patch) | |
tree | 8493fba73f9e76454a5fc9769059d8c7b882c83a /util/ref_count.h | |
parent | 44b9d528984254f021865f65c0e7749f3d9d97f4 (diff) |
2006-02-20 Thomas Schwinge <tschwinge@gnu.org>
Remove unused and unsupported code. Consult the file
`DEVELOPMENT' for details. Partly based on suggestions by
Gianluca Guida <glguida@gmail.com>.
* util/about_to_die.c: Remove file.
* util/config.h: Likewise.
* util/cpu.c: Likewise.
* util/cpu.h: Likewise.
* util/cpu_init.c: Likewise.
* util/cpu_subs.h: Likewise.
* util/debug.h: Likewise.
* util/die.c: Likewise.
* util/phys_mem.h: Likewise.
* util/ref_count.h: Likewise.
* util/cpus.h: Move from here...
* bogus/cpus.h: ... to here.
* Makefile.in (bogus-files): Add `cpus.h'.
(util-cfiles): Only contain `putchar.c' and `puts.c'.
(util-files): Only contain `$(util-cfiles)'.
Diffstat (limited to 'util/ref_count.h')
-rw-r--r-- | util/ref_count.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/util/ref_count.h b/util/ref_count.h deleted file mode 100644 index b6d3404..0000000 --- a/util/ref_count.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (c) 1995-1993 The University of Utah and - * the Computer Systems Laboratory at the University of Utah (CSL). - * All rights reserved. - * - * Permission to use, copy, modify and distribute this software is hereby - * granted provided that (1) source code retains these copyright, permission, - * and disclaimer notices, and (2) redistributions including binaries - * reproduce the notices in supporting documentation, and (3) all advertising - * materials mentioning features or use of this software display the following - * acknowledgement: ``This product includes software developed by the - * Computer Systems Laboratory at the University of Utah.'' - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - * - * Author: Bryan Ford, University of Utah CSL - */ -/* - * File: refcount.h - * - * This defines the system-independent atomic reference count data type. - * (This file will often be overridden - * by better machine-dependent implementations.) - * - */ - -#ifndef _KERN_REF_COUNT_H_ -#define _KERN_REF_COUNT_H_ - -#include <mach/macro_help.h> - -#include "simple_lock.h" - - -struct ref_count { - decl_simple_lock_data(,lock) /* lock for reference count */ - int count; /* number of references */ -}; - -#define ref_count_init(refcount, refs) \ - MACRO_BEGIN \ - simple_lock_init(&(refcount)->lock); \ - ((refcount)->count = (refs)); \ - MACRO_END - -#define ref_count_take(refcount) \ - MACRO_BEGIN \ - simple_lock(&(refcount)->lock); \ - (refcount)->count++; \ - simple_unlock(&(refcount)->lock); \ - MACRO_END - -#define ref_count_drop(refcount, func) \ - MACRO_BEGIN \ - int new_value; \ - simple_lock(&(refcount)->lock); \ - new_value = --(refcount)->count; \ - simple_unlock(&(refcount)->lock); \ - if (new_value == 0) { func; } \ - MACRO_END - - -#endif _KERN_REF_COUNT_H_ |