diff options
Diffstat (limited to 'db2/db.h')
| -rw-r--r-- | db2/db.h | 54 |
1 files changed, 39 insertions, 15 deletions
@@ -4,7 +4,7 @@ * Copyright (c) 1996, 1997 * Sleepycat Software. All rights reserved. * - * @(#)db.h.src 10.91 (Sleepycat) 11/3/97 + * @(#)db.h.src 10.97 (Sleepycat) 11/28/97 */ #ifndef _DB_H_ @@ -73,8 +73,8 @@ #define DB_VERSION_MAJOR 2 #define DB_VERSION_MINOR 3 -#define DB_VERSION_PATCH 12 -#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.12: (11/3/97)" +#define DB_VERSION_PATCH 14 +#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.14: (11/28/97)" typedef u_int32_t db_pgno_t; /* Page number type. */ typedef u_int16_t db_indx_t; /* Page offset type. */ @@ -129,8 +129,10 @@ struct __db_dbt { }; /* - * DB configuration. There are a set of functions which the application - * can replace with its own versions. + * DB internal configuration. + * + * There are a set of functions that the application can replace with its + * own versions, and some other knobs which can be turned at run-time. */ #define DB_FUNC_CALLOC 1 /* ANSI C calloc. */ #define DB_FUNC_CLOSE 2 /* POSIX 1003.1 close. */ @@ -147,11 +149,12 @@ struct __db_dbt { #define DB_FUNC_REALLOC 13 /* ANSI C realloc. */ #define DB_FUNC_SEEK 14 /* POSIX 1003.1 lseek. */ #define DB_FUNC_SLEEP 15 /* DB: sleep secs/usecs. */ -#define DB_FUNC_STRDUP 16 /* ANSI C strdup. */ +#define DB_FUNC_STRDUP 16 /* DB: strdup(3). */ #define DB_FUNC_UNLINK 17 /* POSIX 1003.1 unlink. */ #define DB_FUNC_UNMAP 18 /* DB: unmap shared memory file. */ #define DB_FUNC_WRITE 19 /* POSIX 1003.1 write. */ #define DB_FUNC_YIELD 20 /* DB: yield thread to scheduler. */ +#define DB_TSL_SPINS 21 /* DB: initialize spin count. */ /* * Database configuration and initialization. @@ -211,10 +214,10 @@ struct __db_dbt { * locking subsystem. */ #define DB_LOCK_NORUN 0x0 -#define DB_LOCK_DEFAULT 0x1 -#define DB_LOCK_OLDEST 0x2 -#define DB_LOCK_RANDOM 0x3 -#define DB_LOCK_YOUNGEST 0x4 +#define DB_LOCK_DEFAULT 0x1 /* Default policy. */ +#define DB_LOCK_OLDEST 0x2 /* Abort oldest transaction. */ +#define DB_LOCK_RANDOM 0x3 /* Abort random transaction. */ +#define DB_LOCK_YOUNGEST 0x4 /* Abort youngest transaction. */ struct __db_env { int db_lorder; /* Byte order. */ @@ -265,6 +268,10 @@ struct __db_env { /******************************************************* * Access methods. *******************************************************/ +/* + * XXX + * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. + */ typedef enum { DB_BTREE=1, /* B+tree. */ DB_HASH, /* Extended Linear Hashing. */ @@ -347,7 +354,13 @@ struct __db_info { #define DB_SET_RANGE 0x020000 /* c_get() */ #define DB_SET_RECNO 0x040000 /* c_get() */ -/* DB (user visible) error return codes. */ +/* + * DB (user visible) error return codes. + * + * XXX + * Changes to any of the user visible error return codes must be reflected + * in java/src/com/sleepycat/db/Db.java. + */ #define DB_INCOMPLETE ( -1) /* Sync didn't finish. */ #define DB_KEYEMPTY ( -2) /* The key/data pair was deleted or was never created by the user. */ @@ -516,6 +529,7 @@ int db_appinit __P((const char *, char * const *, DB_ENV *, int)); int db_appexit __P((DB_ENV *)); int db_jump_set __P((void *, int)); int db_open __P((const char *, DBTYPE, int, int, DB_ENV *, DB_INFO *, DB **)); +int db_value_set __P((int, int)); char *db_version __P((int *, int *, int *)); #if defined(__cplusplus) }; @@ -533,16 +547,26 @@ char *db_version __P((int *, int *, int *)); /* Flag values for lock_detect(). */ #define DB_LOCK_CONFLICT 0x01 /* Run on any conflict. */ -/* Request types. */ +/* + * Request types. + * + * XXX + * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. + */ typedef enum { - DB_LOCK_DUMP, /* Display held locks. */ + DB_LOCK_DUMP=0, /* Display held locks. */ DB_LOCK_GET, /* Get the lock. */ DB_LOCK_PUT, /* Release the lock. */ DB_LOCK_PUT_ALL, /* Release locker's locks. */ DB_LOCK_PUT_OBJ /* Release locker's locks on obj. */ } db_lockop_t; -/* Simple R/W lock modes and for multi-granularity intention locking. */ +/* + * Simple R/W lock modes and for multi-granularity intention locking. + * + * XXX + * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. + */ typedef enum { DB_LOCK_NG=0, /* Not granted. */ DB_LOCK_READ, /* Shared/read. */ @@ -577,7 +601,7 @@ extern const u_int8_t db_riw_conflicts[]; extern "C" { #endif int lock_close __P((DB_LOCKTAB *)); -int lock_detect __P((DB_LOCKTAB *, int, u_int32_t)); +int lock_detect __P((DB_LOCKTAB *, int, int)); int lock_get __P((DB_LOCKTAB *, u_int32_t, int, const DBT *, db_lockmode_t, DB_LOCK *)); int lock_id __P((DB_LOCKTAB *, u_int32_t *)); |