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Diffstat (limited to 'storage/bdb/dbinc/globals.h')
| -rw-r--r-- | storage/bdb/dbinc/globals.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/storage/bdb/dbinc/globals.h b/storage/bdb/dbinc/globals.h new file mode 100644 index 00000000000..3441ade2ea9 --- /dev/null +++ b/storage/bdb/dbinc/globals.h @@ -0,0 +1,83 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996-2002 + * Sleepycat Software. All rights reserved. + * + * $Id: globals.h,v 11.1 2002/07/12 18:56:41 bostic Exp $ + */ + +/******************************************************* + * Global variables. + * + * Held in a single structure to minimize the name-space pollution. + *******************************************************/ +#ifdef HAVE_VXWORKS +#include "semLib.h" +#endif + +typedef struct __db_globals { + u_int32_t no_write_errors; /* write error testing disallowed */ +#ifdef HAVE_VXWORKS + u_int32_t db_global_init; /* VxWorks: inited */ + SEM_ID db_global_lock; /* VxWorks: global semaphore */ +#endif + /* XA: list of opened environments. */ + TAILQ_HEAD(__db_envq, __db_env) db_envq; + + int (*j_close) __P((int)); /* Underlying OS interface jump table.*/ + void (*j_dirfree) __P((char **, int)); + int (*j_dirlist) __P((const char *, char ***, int *)); + int (*j_exists) __P((const char *, int *)); + void (*j_free) __P((void *)); + int (*j_fsync) __P((int)); + int (*j_ioinfo) __P((const char *, + int, u_int32_t *, u_int32_t *, u_int32_t *)); + void *(*j_malloc) __P((size_t)); + int (*j_map) __P((char *, size_t, int, int, void **)); + int (*j_open) __P((const char *, int, ...)); + ssize_t (*j_read) __P((int, void *, size_t)); + void *(*j_realloc) __P((void *, size_t)); + int (*j_rename) __P((const char *, const char *)); + int (*j_seek) __P((int, size_t, db_pgno_t, u_int32_t, int, int)); + int (*j_sleep) __P((u_long, u_long)); + int (*j_unlink) __P((const char *)); + int (*j_unmap) __P((void *, size_t)); + ssize_t (*j_write) __P((int, const void *, size_t)); + int (*j_yield) __P((void)); +} DB_GLOBALS; + +#ifdef DB_INITIALIZE_DB_GLOBALS +DB_GLOBALS __db_global_values = { + 0, /* write error testing disallowed */ +#ifdef HAVE_VXWORKS + 0, /* VxWorks: initialized */ + NULL, /* VxWorks: global semaphore */ +#endif + /* XA: list of opened environments. */ + {NULL, &__db_global_values.db_envq.tqh_first}, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL +}; +#else +extern DB_GLOBALS __db_global_values; +#endif + +#define DB_GLOBAL(v) __db_global_values.v |