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69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
#ifndef BRTTYPES_H
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#define BRTTYPES_H
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#ident "Copyright (c) 2007 Tokutek Inc. All rights reserved."
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#include <sys/types.h>
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#define _XOPEN_SOURCE 500
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#define _FILE_OFFSET_BITS 64
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typedef struct brt *BRT;
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struct brt_header;
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struct wbuf;
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typedef unsigned int ITEMLEN;
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typedef const void *bytevec;
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//typedef const void *bytevec;
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typedef long long DISKOFF; /* Offset in a disk. -1 is the NULL pointer. */
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typedef u_int64_t TXNID;
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typedef struct {
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int len;
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char *data;
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} BYTESTRING;
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/* Make the LSN be a struct instead of an integer so that we get better type checking. */
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typedef struct __toku_lsn { u_int64_t lsn; } LSN;
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#define ZERO_LSN ((LSN){0})
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/* Make the FILEID a struct for the same reason. */
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typedef struct __toku_fileid { u_int32_t fileid; } FILENUM;
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typedef enum __toku_bool { FALSE=0, TRUE=1} BOOL;
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typedef struct tokulogger *TOKULOGGER;
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#define NULL_LOGGER ((TOKULOGGER)0)
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typedef struct tokutxn *TOKUTXN;
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#define NULL_TXN ((TOKUTXN)0)
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// The data that appears in the log to encode a brtheader. */
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typedef struct loggedbrtheader {
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u_int32_t size;
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u_int32_t flags;
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u_int32_t nodesize;
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DISKOFF freelist;
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DISKOFF unused_memory;
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u_int32_t n_named_roots; // -1 for the union below to be "one".
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union {
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struct {
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char **names;
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DISKOFF *roots;
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} many;
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struct {
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DISKOFF root;
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} one;
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} u;
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} LOGGEDBRTHEADER;
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typedef struct intpairarray {
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u_int32_t size;
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struct intpair {
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u_int32_t a,b;
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} *array;
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} INTPAIRARRAY;
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typedef struct cachetable *CACHETABLE;
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typedef struct cachefile *CACHEFILE;
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#endif
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