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Diffstat (limited to 'netfs-sample/ncache.h')
| -rw-r--r-- | netfs-sample/ncache.h | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/netfs-sample/ncache.h b/netfs-sample/ncache.h deleted file mode 100644 index 124d514e..00000000 --- a/netfs-sample/ncache.h +++ /dev/null @@ -1,100 +0,0 @@ -/*----------------------------------------------------------------------------*/ -/*ncache.h*/ -/*----------------------------------------------------------------------------*/ -/*The cache of nodes*/ -/*----------------------------------------------------------------------------*/ -/*Based on the code of unionfs translator.*/ -/*----------------------------------------------------------------------------*/ -/*Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. - Written by Sergiu Ivanov <unlimitedscolobb@gmail.com>. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of the - License, or * (at your option) any later version. - - This program 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 - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA.*/ -/*----------------------------------------------------------------------------*/ -#ifndef __NCACHE_H__ -#define __NCACHE_H__ - -/*----------------------------------------------------------------------------*/ -#include <error.h> -#include <hurd/netfs.h> -/*----------------------------------------------------------------------------*/ -#include "node.h" -/*----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------*/ -/*--------Macros--------------------------------------------------------------*/ -/*The default maximal cache size*/ -#define NCACHE_SIZE 256 -/*----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------*/ -/*A cache chain*/ -struct ncache - { - /*the MRU end of the cache chain*/ - node_t * mru; - - /*the LRU end of the cache chain*/ - node_t * lru; - - /*the maximal number of nodes to cache*/ - int size_max; - - /*the current length of the cache chain*/ - int size_current; - - /*a lock*/ - struct mutex lock; - };/*struct ncache*/ -/*----------------------------------------------------------------------------*/ -typedef struct ncache ncache_t; -/*----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------*/ -/*--------Global Variables----------------------------------------------------*/ -/*The cache size (may be overwritten by the user)*/ -extern int cache_size; -/*----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------*/ -/*--------Functions-----------------------------------------------------------*/ -/*Initializes the node cache*/ -void -ncache_init - ( - int size_max - ); -/*----------------------------------------------------------------------------*/ -/*Looks up the lnode and stores the result in `node`; creates a new entry - in the cache if the lookup fails*/ -error_t -ncache_node_lookup - ( - lnode_t * lnode, /*search for this*/ - node_t ** node /*put the result here*/ - ); -/*----------------------------------------------------------------------------*/ -/*Resets the node cache*/ -void -ncache_reset(void); -/*----------------------------------------------------------------------------*/ -/*Adds the given node to the cache*/ -void -ncache_node_add - ( - node_t * node /*the node to add*/ - ); -/*----------------------------------------------------------------------------*/ -#endif /*__NCACHE_H__*/ |