X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Fprivate.h;h=8d961e82c365c6b0f6956fbf1019451c285597f5;hp=1650cf833d7988599e1d73e55181ed9317bbb1c6;hb=0fd5be2955f8e6487c0f4ab711e2a6958bb8f412;hpb=a8bb84de3dd8b14701c96e02da669abd8ac525ff diff --git a/ccan/tdb2/private.h b/ccan/tdb2/private.h index 1650cf83..8d961e82 100644 --- a/ccan/tdb2/private.h +++ b/ccan/tdb2/private.h @@ -18,26 +18,18 @@ License along with this library; if not, see . */ -#include "config.h" -#if HAVE_FILE_OFFSET_BITS -#define _FILE_OFFSET_BITS 64 -#endif -#include -#include +#include #include #include #include #include #include #include -#include #include #include #include #include -#include #include -#include #include #ifndef TEST_IT @@ -85,10 +77,10 @@ typedef int tdb_bool_err; /* Prevent others from opening the file. */ #define TDB_OPEN_LOCK 0 -/* Doing a transaction. */ -#define TDB_TRANSACTION_LOCK 1 /* Expanding file. */ #define TDB_EXPANSION_LOCK 2 +/* Doing a transaction. */ +#define TDB_TRANSACTION_LOCK 8 /* Hash chain locks. */ #define TDB_HASH_LOCK_START 64 @@ -291,7 +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; }; @@ -306,9 +298,6 @@ struct tdb_access_hdr { }; struct tdb_file { - /* Single list of all TDBs, to detect multiple opens. */ - struct tdb_file *next; - /* How many are sharing us? */ unsigned int refcnt; @@ -333,38 +322,42 @@ struct tdb_file { }; struct tdb_context { + /* Single list of all TDBs, to detect multiple opens. */ + struct tdb_context *next; + /* Filename of the database. */ const char *name; - /* Are we accessing directly? (debugging check). */ - int direct_access; - - /* Operating read-only? (Opened O_RDONLY, or in traverse_read) */ - bool read_only; - - /* mmap read only? */ - int mmap_flags; - - /* the flags passed to tdb_open, for tdb_reopen. */ - uint32_t flags; - /* Logging function */ void (*log_fn)(struct tdb_context *tdb, enum tdb_log_level level, + enum TDB_ERROR ecode, const char *message, void *data); void *log_data; - /* Hash function. */ - uint64_t (*hash_fn)(const void *key, size_t len, uint64_t seed, void *); - void *hash_data; - uint64_t hash_seed; + /* Open flags passed to tdb_open. */ + int open_flags; /* low level (fnctl) lock functions. */ int (*lock_fn)(int fd, int rw, off_t off, off_t len, bool w, void *); int (*unlock_fn)(int fd, int rw, off_t off, off_t len, void *); void *lock_data; + /* the flags passed to tdb_open. */ + uint32_t flags; + + /* Our statistics. */ + struct tdb_attribute_stats stats; + + /* Are we accessing directly? (debugging check). */ + int direct_access; + + /* Hash function. */ + uint64_t (*hash_fn)(const void *key, size_t len, uint64_t seed, void *); + void *hash_data; + uint64_t hash_seed; + /* Set if we are in a transaction. */ struct tdb_transaction *transaction; @@ -372,12 +365,13 @@ struct tdb_context { tdb_off_t ftable_off; unsigned int ftable; + /* Our open hook, if any. */ + enum TDB_ERROR (*openhook)(int fd, void *data); + void *openhook_data; + /* IO methods: changes for transactions. */ const struct tdb_methods *methods; - /* Our statistics. */ - struct tdb_attribute_stats stats; - /* Direct access information */ struct tdb_access_hdr *access;