diff options
Diffstat (limited to 'node.h')
| -rw-r--r-- | node.h | 104 |
1 files changed, 43 insertions, 61 deletions
@@ -1,10 +1,10 @@ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*node.h*/ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*Node management. Also see lnode.h*/ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*Based on the code of unionfs translator.*/ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*Copyright (C) 2001, 2002, 2005, 2008 Free Software Foundation, Inc. Written by Sergiu Ivanov <unlimitedscolobb@gmail.com>. @@ -22,93 +22,75 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.*/ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ #ifndef __NODE_H__ #define __NODE_H__ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ #include <error.h> #include <sys/stat.h> #include <hurd/netfs.h> -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ -/*----------------------------------------------------------------------------*/ -/*--------Macros--------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ +/*--------Macros-------------------------------------------------------------*/ /*Checks whether the give node is the root of the filterfs filesystem*/ #define NODE_IS_ROOT(n) (((n)->nn->lnode->dir) ? (0) : (1)) -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*Node flags*/ -#define FLAG_NODE_ULFS_FIXED 0x00000001 /*this node should not be updated*/ -#define FLAG_NODE_INVALIDATE 0x00000002 /*this node must be updated*/ -#define FLAG_NODE_ULFS_UPTODATE 0x00000004 /*this node has just been updated*/ -/*----------------------------------------------------------------------------*/ +#define FLAG_NODE_ULFS_FIXED 0x00000001 /*this node should not be updated */ +#define FLAG_NODE_INVALIDATE 0x00000002 /*this node must be updated */ +#define FLAG_NODE_ULFS_UPTODATE 0x00000004 /*this node has just been updated */ +/*---------------------------------------------------------------------------*/ /*The type of offset corresponding to the current platform*/ #ifdef __USE_FILE_OFFSET64 # define OFFSET_T __off64_t #else # define OFFSET_T __off_t #endif /*__USE_FILE_OFFSET64*/ -/*----------------------------------------------------------------------------*/ -/*The size of a chunk of a string (for a small optimization in checking - the property)*/ -#define STRING_CHUNK 256 -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*Deallocates the specified port*/ #define PORT_DEALLOC(p) (mach_port_deallocate(mach_task_self(), (p))) -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ /*The user-defined node for libnetfs*/ struct netnode - { - /*the flags associated with this node (might be not required)*/ - int flags; +{ + /*the flags associated with this node (might be not required) */ + int flags; - /*a port to the underlying filesystem*/ - file_t port; - };/*struct netnode*/ -/*----------------------------------------------------------------------------*/ + /*a port to the underlying filesystem */ + file_t port; +}; /*struct netnode */ +/*---------------------------------------------------------------------------*/ typedef struct netnode netnode_t; -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ typedef struct node node_t; -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ -/*----------------------------------------------------------------------------*/ -/*--------Global Variables----------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ +/*--------Global Variables---------------------------------------------------*/ /*The lock protecting the underlying filesystem*/ extern struct mutex ulfs_lock; -/*----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ -/*----------------------------------------------------------------------------*/ -/*--------Functions-----------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ +/*--------Functions----------------------------------------------------------*/ /*Derives a new node from `lnode` and adds a reference to `lnode`*/ -error_t -node_create - ( - node_t ** node /*store the result here*/ - ); -/*----------------------------------------------------------------------------*/ +error_t node_create (node_t ** node); +/*---------------------------------------------------------------------------*/ /*Destroys the specified node and removes a light reference from the - associated light node*/ -void -node_destroy - ( - node_t * np - ); -/*----------------------------------------------------------------------------*/ + associated light node*/ +void node_destroy (node_t * np); +/*---------------------------------------------------------------------------*/ /*Creates the root node and the corresponding lnode*/ -error_t -node_create_root - ( - node_t ** root_node /*store the result here*/ - ); -/*----------------------------------------------------------------------------*/ +error_t node_create_root (node_t ** root_node); +/*---------------------------------------------------------------------------*/ /*Initializes the port to the underlying filesystem for the root node*/ -error_t -node_init_root - ( - mach_port_t underlying, /*the port to the underlying node*/ - node_t * node /*the root node*/ - ); -/*----------------------------------------------------------------------------*/ +error_t node_init_root (mach_port_t underlying, /*the port to the + underlying node */ + node_t * node /*the root node */ + ); +/*---------------------------------------------------------------------------*/ #endif /*__NODE_H__*/ |