Subversion Repositories HelenOS

Rev

Rev 2679 | Rev 2681 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2679 Rev 2680
Line 34... Line 34...
34 
#define VFS_VFS_H_
 34 
#define VFS_VFS_H_
35 
 
 35 
 
36 
#include <ipc/ipc.h>
 36 
#include <ipc/ipc.h>
37 
#include <libadt/list.h>
 37 
#include <libadt/list.h>
38 
#include <atomic.h>
 38 
#include <atomic.h>
- 
 
 39 
#include <rwlock.h>
39 
#include <sys/types.h>
 40 
#include <sys/types.h>
40 
#include <bool.h>
 41 
#include <bool.h>
41 
 
 42 
 
42 
#define dprintf(...)    printf(__VA_ARGS__)
 43 
#define dprintf(...)    printf(__VA_ARGS__)
43 
 
 44 
 
Line 133... Line 134...
133 
typedef struct {
 134 
typedef struct {
134 
    VFS_TRIPLET;        /**< Identity of the node. */
 135 
    VFS_TRIPLET;        /**< Identity of the node. */
135 
    unsigned refcnt;    /**< Usage counter. */
 136 
    unsigned refcnt;    /**< Usage counter. */
136 
    link_t nh_link;     /**< Node hash-table link. */
 137 
    link_t nh_link;     /**< Node hash-table link. */
137 
 
 138 
 
138 
    /** Holding this futex prevents modifications of the node's contents. */
 139 
    /** Holding this rwlock prevents modifications of the node's contents. */
139 
    atomic_t contents_futex;
 140 
    atomic_t contents_rwlock;
140 
} vfs_node_t;
 141 
} vfs_node_t;
141 
 
 142 
 
142 
/**
 143 
/**
143 
 * Instances of this type represent an open file. If the file is opened by more
 144 
 * Instances of this type represent an open file. If the file is opened by more
144 
 * than one task, there will be a separate structure allocated for each task.
 145 
 * than one task, there will be a separate structure allocated for each task.