2014-11-18 23:08:34 +08:00
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/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996-2004
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* Sleepycat Software. All rights reserved.
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*
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* $Id: globals.h,v 11.9 2004/09/17 22:00:27 mjc Exp $
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*/
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/*******************************************************
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* Global variables.
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*
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* Held in a single structure to minimize the name-space pollution.
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*******************************************************/
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#ifdef HAVE_VXWORKS
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#include "semLib.h"
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#endif
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typedef struct __db_globals {
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#ifdef HAVE_VXWORKS
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u_int32_t db_global_init; /* VxWorks: inited */
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SEM_ID db_global_lock; /* VxWorks: global semaphore */
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#endif
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/* XA: list of opened environments. */
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TAILQ_HEAD(__db_envq, __db_env) db_envq;
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char *db_line; /* DB display string. */
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int (*j_close) __P((int)); /* Underlying OS interface jump table.*/
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void (*j_dirfree) __P((char **, int));
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int (*j_dirlist) __P((const char *, char ***, int *));
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int (*j_exists) __P((const char *, int *));
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void (*j_free) __P((void *));
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int (*j_fsync) __P((int));
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int (*j_ftruncate) __P((int, off_t));
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int (*j_ioinfo) __P((const char *,
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int, u_int32_t *, u_int32_t *, u_int32_t *));
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void *(*j_malloc) __P((size_t));
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int (*j_map) __P((char *, size_t, int, int, void **));
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int (*j_open) __P((const char *, int, ...));
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ssize_t (*j_pread) __P((int, void *, size_t, off_t));
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ssize_t (*j_pwrite) __P((int, const void *, size_t, off_t));
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ssize_t (*j_read) __P((int, void *, size_t));
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void *(*j_realloc) __P((void *, size_t));
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int (*j_rename) __P((const char *, const char *));
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int (*j_seek) __P((int, off_t, int));
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int (*j_sleep) __P((u_long, u_long));
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int (*j_unlink) __P((const char *));
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int (*j_unmap) __P((void *, size_t));
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ssize_t (*j_write) __P((int, const void *, size_t));
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int (*j_yield) __P((void));
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} DB_GLOBALS;
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#ifdef DB_INITIALIZE_DB_GLOBALS
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DB_GLOBALS __db_global_values = {
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#ifdef HAVE_VXWORKS
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0, /* VxWorks: initialized */
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NULL, /* VxWorks: global semaphore */
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#endif
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/* XA: list of opened environments. */
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{NULL, &__db_global_values.db_envq.tqh_first},
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"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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};
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#else
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extern DB_GLOBALS __db_global_values;
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#endif
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#define DB_GLOBAL(v) __db_global_values.v
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