diff options
Diffstat (limited to 'fs/xfs/linux-2.6/sema.h')
| -rw-r--r-- | fs/xfs/linux-2.6/sema.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/fs/xfs/linux-2.6/sema.h b/fs/xfs/linux-2.6/sema.h deleted file mode 100644 index 30b67b4e1cb..00000000000 --- a/fs/xfs/linux-2.6/sema.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ - */ -#ifndef __XFS_SUPPORT_SEMA_H__ -#define __XFS_SUPPORT_SEMA_H__ - -#include <linux/time.h> -#include <linux/wait.h> -#include <asm/atomic.h> -#include <asm/semaphore.h> - -/* - * sema_t structure just maps to struct semaphore in Linux kernel. - */ - -typedef struct semaphore sema_t; - -#define init_sema(sp, val, c, d) sema_init(sp, val) -#define initsema(sp, val) sema_init(sp, val) -#define initnsema(sp, val, name) sema_init(sp, val) -#define psema(sp, b) down(sp) -#define vsema(sp) up(sp) -#define valusema(sp) (atomic_read(&(sp)->count)) -#define freesema(sema) - -/* - * Map cpsema (try to get the sema) to down_trylock. We need to switch - * the return values since cpsema returns 1 (acquired) 0 (failed) and - * down_trylock returns the reverse 0 (acquired) 1 (failed). - */ - -#define cpsema(sp) (down_trylock(sp) ? 0 : 1) - -/* - * Didn't do cvsema(sp). Not sure how to map this to up/down/... - * It does a vsema if the values is < 0 other wise nothing. - */ - -#endif /* __XFS_SUPPORT_SEMA_H__ */ |
