vfsvar.h

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00001 /*
00002 ** vfsvar.h for lseos in lseos-srv/fs/vfs
00003 ** 
00004 ** Copyright(c)2004 Vianney Rancurel
00005 ** Login   <vianney@epita.fr>
00006 ** 
00007 ** Started on  Tue Feb 17 17:14:41 2004 Vianney Rancurel
00008 ** Last update Mon Dec  6 11:55:22 2004 Vianney Rancurel
00009 */
00010 #ifndef __VFSVAR_H__
00011 #define __VFSVAR_H__    1
00012 #include <libc.h>
00013 
00014 typedef struct          s_vfs_stat
00015 {
00016   int                   nwrites;
00017   int                   nreads;
00018 }                       t_vfs_stat;
00019 
00020 struct s_vfs_file;
00021 LIST_HEAD(s_vfs_file_list, s_vfs_file);
00022 typedef struct s_vfs_file_list      t_vfs_file_list;
00023 
00024 typedef struct          s_vfs_file
00025 {
00026   LIST_ENTRY(s_vfs_file) list;
00027 
00028   char                  *name;
00029   struct s_vfs_entry    *entry;
00030 }                       t_vfs_file;
00031 
00032 typedef struct          s_vfs_entry
00033 {
00034   t_vfs_file_list       file_list;      
00035   int                   gate;           
00036   u_int32_t             pseudo:1;       
00037  }                      t_vfs_entry;
00038 
00039 typedef struct          s_vfs_fd
00040 {
00041   u_int32_t             avail:1;
00042 
00043   int                   gate;
00044   int                   gate_id;
00045 }                       t_vfs_fd;
00046 
00047 struct s_vfs_proc;
00048 LIST_HEAD(s_vfs_proc_list, s_vfs_proc);
00049 typedef struct s_vfs_proc_list      t_vfs_proc_list;
00050 
00051 typedef struct          s_vfs_proc
00052 {
00053   LIST_ENTRY(s_vfs_proc) list;           
00055   pid_t                 pid;
00056   int                   nfds;
00057   t_vfs_fd              *fds;
00058   char                  *wd;            
00059 }                       t_vfs_proc;
00060 
00061 typedef struct          s_vfs_info
00062 {
00063   t_vfs_entry           root_entry;
00064   pid_t                 notify_pid;
00065 
00066   __cpu_simple_lock_t   lock;
00067 }                       t_vfs_info;
00068 
00069 #endif

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