aboutsummaryrefslogtreecommitdiff
path: root/db2/db.h
diff options
context:
space:
mode:
Diffstat (limited to 'db2/db.h')
-rw-r--r--db2/db.h54
1 files changed, 39 insertions, 15 deletions
diff --git a/db2/db.h b/db2/db.h
index fb2d6bb3da..f976acafb7 100644
--- a/db2/db.h
+++ b/db2/db.h
@@ -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 *));