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authornobody <nobody@localhost>2001-01-12 00:04:13 +0800
committernobody <nobody@localhost>2001-01-12 00:04:13 +0800
commit9739536b4fde31bc150175df0accd8294c9ee09e (patch)
treed85b68359c2b29573feb055cb4a8269e5aa3bc56 /libibex/block.h
parentf753547d5d281b34587430a88a1dc1934d65c889 (diff)
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This commit was manufactured by cvs2svn to create tag 'BONOBO_0_33'.BONOBO_0_33
svn path=/tags/BONOBO_0_33/; revision=7389
Diffstat (limited to 'libibex/block.h')
-rw-r--r--libibex/block.h114
1 files changed, 0 insertions, 114 deletions
diff --git a/libibex/block.h b/libibex/block.h
deleted file mode 100644
index dbc8fd5ad8..0000000000
--- a/libibex/block.h
+++ /dev/null
@@ -1,114 +0,0 @@
-
-/* public interfaces for block io routines */
-
-#ifndef _BLOCK_H
-#define _BLOCK_H
-
-/*#define IBEX_STATS*/ /* define to get/dump block access stats */
-
-#include <glib.h>
-
-/* version of file format */
-#define IBEX_VERSION "ibx6"
-
-typedef guint32 nameid_t;
-typedef guint32 blockid_t;
-
-#define BLOCK_BITS (8)
-#define BLOCK_SIZE (1<<BLOCK_BITS)
-#define CACHE_SIZE 256 /* blocks in disk cache */
-
-/* root block */
-struct _root {
- char version[4];
-
- blockid_t free; /* list of free blocks */
- blockid_t roof; /* top of allocated space, everything below is in a free or used list */
- blockid_t tail; /* list of 'tail' blocks */
-
- blockid_t words; /* root of words index */
- blockid_t names; /* root of names index */
-
- char flags; /* state flags */
-
- /* makes structure fill up to 1024 bytes */
- char dummy[1024 - (sizeof(char)*5) - (sizeof(blockid_t)*5)];
-};
-
-#define IBEX_ROOT_SYNCF (1<<0) /* file is synced */
-
-/* basic disk structure for (data) blocks */
-struct _block {
- unsigned int next:32-BLOCK_BITS; /* next block */
- unsigned int used:BLOCK_BITS; /* number of elements used */
-
- nameid_t bl_data[(BLOCK_SIZE-4)/4]; /* references */
-};
-
-/* custom list structure, for a simple/efficient cache */
-struct _listnode {
- struct _listnode *next;
- struct _listnode *prev;
-};
-struct _list {
- struct _listnode *head;
- struct _listnode *tail;
- struct _listnode *tailpred;
-};
-
-void ibex_list_new(struct _list *v);
-struct _listnode *ibex_list_addhead(struct _list *l, struct _listnode *n);
-struct _listnode *ibex_list_addtail(struct _list *l, struct _listnode *n);
-struct _listnode *ibex_list_remove(struct _listnode *n);
-
-/* in-memory structure for block cache */
-struct _memblock {
- struct _memblock *next;
- struct _memblock *prev;
-
- blockid_t block;
- int flags;
-
- struct _block data;
-};
-#define BLOCK_DIRTY (1<<0)
-
-struct _memcache {
- struct _list nodes;
- int count; /* nodes in cache */
-
- GHashTable *index; /* blockid->memblock mapping */
- int fd; /* file fd */
-
-#ifdef IBEX_STATS
- GHashTable *stats;
-#endif
- struct _root root; /* root block */
-
- /* temporary here */
- struct _IBEXWord *words; /* word index */
-};
-
-#ifdef IBEX_STATS
-struct _stat_info {
- int read;
- int write;
- int cache_hit;
- int cache_miss;
-};
-#endif /* IBEX_STATS */
-
-struct _memcache *ibex_block_cache_open(const char *name, int flags, int mode);
-void ibex_block_cache_close(struct _memcache *block_cache);
-void ibex_block_cache_sync(struct _memcache *block_cache);
-void ibex_block_cache_flush(struct _memcache *block_cache);
-
-blockid_t ibex_block_get(struct _memcache *block_cache);
-void ibex_block_free(struct _memcache *block_cache, blockid_t blockid);
-void ibex_block_dirty(struct _block *block);
-struct _block *ibex_block_read(struct _memcache *block_cache, blockid_t blockid);
-
-#define block_number(x) ((x)>>BLOCK_BITS)
-#define block_location(x) ((x)<<BLOCK_BITS)
-
-#endif /* ! _BLOCK_H */