X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Fprivate.h;h=3397e04c4c4391d43bbab3e401e5a3bd0de57acf;hp=9cd8188c70c559c3f0e1c2a6f2845cab4571cc3c;hb=736c033322079baf754261d82b6a83de53b2bb4e;hpb=7fe3218488f1bd25a4e50c27964752a18a64fb5f diff --git a/ccan/tdb2/private.h b/ccan/tdb2/private.h index 9cd8188c..3397e04c 100644 --- a/ccan/tdb2/private.h +++ b/ccan/tdb2/private.h @@ -18,26 +18,19 @@ License along with this library; if not, see . */ -#include "config.h" -#include -#include +#include #include #include #include #include #include #include -#include #include #include #include #include -#include #include -#include -#if HAVE_BYTESWAP_H -#include -#endif +#include #ifndef TEST_IT #define TEST_IT(cond) @@ -134,20 +127,6 @@ typedef int tdb_bool_err; /* Indicates this entry is not on an flist (can happen during coalescing) */ #define TDB_FTABLE_NONE ((1ULL << TDB_OFF_UPPER_STEAL) - 1) -#if !HAVE_BSWAP_64 -static inline uint64_t bswap_64(uint64_t x) -{ - return (((x&0x000000FFULL)<<56) - | ((x&0x0000FF00ULL)<<48) - | ((x&0x00FF0000ULL)<<40) - | ((x&0xFF000000ULL)<<32) - | ((x>>8)&0xFF000000ULL) - | ((x>>16)&0x00FF0000ULL) - | ((x>>24)&0x0000FF00ULL) - | ((x>>32)&0x000000FFULL)); -} -#endif - struct tdb_used_record { /* For on-disk compatibility, we avoid bitfields: magic: 16, (highest) @@ -219,7 +198,7 @@ static inline unsigned frec_ftable(const struct tdb_free_record *f) struct tdb_recovery_record { uint64_t magic; - /* Length of record. */ + /* Length of record (add this header to get total length). */ uint64_t max_len; /* Length used. */ uint64_t len; @@ -304,7 +283,7 @@ enum tdb_lock_flags { struct tdb_lock { struct tdb_context *owner; - uint32_t off; + off_t off; uint32_t count; uint32_t ltype; }; @@ -358,9 +337,6 @@ struct tdb_context { /* mmap read only? */ int mmap_flags; - /* Error code for last tdb error. */ - enum TDB_ERROR ecode; - /* the flags passed to tdb_open, for tdb_reopen. */ uint32_t flags; @@ -391,7 +367,8 @@ struct tdb_context { /* IO methods: changes for transactions. */ const struct tdb_methods *methods; - struct tdb_attribute_stats *stats; + /* Our statistics. */ + struct tdb_attribute_stats stats; /* Direct access information */ struct tdb_access_hdr *access; @@ -417,8 +394,6 @@ struct tdb_methods { internal prototypes */ /* hash.c: */ -void tdb_hash_init(struct tdb_context *tdb); - tdb_bool_err first_in_hash(struct tdb_context *tdb, struct traverse_info *tinfo, TDB_DATA *kbuf, size_t *dlen); @@ -466,7 +441,9 @@ tdb_off_t alloc(struct tdb_context *tdb, size_t keylen, size_t datalen, /* Put this record in a free list. */ enum TDB_ERROR add_free_record(struct tdb_context *tdb, - tdb_off_t off, tdb_len_t len_with_header); + tdb_off_t off, tdb_len_t len_with_header, + enum tdb_lock_flags waitflag, + bool coalesce_ok); /* Set up header for a used/ftable/htable/chain record. */ enum TDB_ERROR set_header(struct tdb_context *tdb, @@ -537,14 +514,6 @@ enum TDB_ERROR tdb_read_convert(struct tdb_context *tdb, tdb_off_t off, /* Bump the seqnum (caller checks for tdb->flags & TDB_SEQNUM) */ void tdb_inc_seqnum(struct tdb_context *tdb); -/* Adds a stat, if it's in range. */ -void add_stat_(struct tdb_context *tdb, uint64_t *stat, size_t val); -#define add_stat(tdb, statname, val) \ - do { \ - if (unlikely((tdb)->stats)) \ - add_stat_((tdb), &(tdb)->stats->statname, (val)); \ - } while (0) - /* lock.c: */ /* Lock/unlock a range of hashes. */ enum TDB_ERROR tdb_lock_hashes(struct tdb_context *tdb, @@ -577,8 +546,8 @@ enum TDB_ERROR tdb_allrecord_upgrade(struct tdb_context *tdb); /* Serialize db open. */ enum TDB_ERROR tdb_lock_open(struct tdb_context *tdb, - enum tdb_lock_flags flags); -void tdb_unlock_open(struct tdb_context *tdb); + int ltype, enum tdb_lock_flags flags); +void tdb_unlock_open(struct tdb_context *tdb, int ltype); bool tdb_has_open_lock(struct tdb_context *tdb); /* Serialize db expand. */