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154 lines
3.5 KiB
C
154 lines
3.5 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997, 1998
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* Sleepycat Software. All rights reserved.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)os_config.c 10.30 (Sleepycat) 10/12/98";
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#endif /* not lint */
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <errno.h>
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#endif
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#include "db_int.h"
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#include "os_jump.h"
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struct __db_jumptab __db_jump;
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DB_GLOBALS __db_global_values = {
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1, /* DB_MUTEXLOCKS */
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0, /* DB_PAGEYIELD */
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0, /* DB_REGION_ANON, DB_REGION_NAME */
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0, /* DB_REGION_INIT */
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0, /* DB_TSL_SPINS */
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{NULL, &__db_global_values.db_envq.tqh_first}, /* Environemnt queue */
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{NULL, &__db_global_values.db_nameq.tqh_first} /* Name queue */
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};
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/*
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* db_jump_set --
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* Replace functions for the DB package.
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*/
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int
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db_jump_set(func, which)
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void *func;
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int which;
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{
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switch (which) {
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case DB_FUNC_CLOSE:
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__db_jump.j_close = (int (*) __P((int)))func;
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break;
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case DB_FUNC_DIRFREE:
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__db_jump.j_dirfree = (void (*) __P((char **, int)))func;
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break;
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case DB_FUNC_DIRLIST:
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__db_jump.j_dirlist =
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(int (*) __P((const char *, char ***, int *)))func;
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break;
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case DB_FUNC_EXISTS:
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__db_jump.j_exists = (int (*) __P((const char *, int *)))func;
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break;
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case DB_FUNC_FREE:
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__db_jump.j_free = (void (*) __P((void *)))func;
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break;
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case DB_FUNC_FSYNC:
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__db_jump.j_fsync = (int (*) __P((int)))func;
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break;
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case DB_FUNC_IOINFO:
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__db_jump.j_ioinfo = (int (*) __P((const char *,
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int, u_int32_t *, u_int32_t *, u_int32_t *)))func;
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break;
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case DB_FUNC_MALLOC:
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__db_jump.j_malloc = (void *(*) __P((size_t)))func;
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break;
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case DB_FUNC_MAP:
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__db_jump.j_map = (int (*)
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__P((char *, int, size_t, int, int, int, void **)))func;
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break;
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case DB_FUNC_OPEN:
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__db_jump.j_open = (int (*) __P((const char *, int, ...)))func;
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break;
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case DB_FUNC_READ:
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__db_jump.j_read =
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(ssize_t (*) __P((int, void *, size_t)))func;
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break;
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case DB_FUNC_REALLOC:
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__db_jump.j_realloc = (void *(*) __P((void *, size_t)))func;
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break;
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case DB_FUNC_RUNLINK:
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__db_jump.j_runlink = (int (*) __P((char *)))func;
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break;
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case DB_FUNC_SEEK:
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__db_jump.j_seek = (int (*)
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__P((int, size_t, db_pgno_t, u_int32_t, int, int)))func;
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break;
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case DB_FUNC_SLEEP:
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__db_jump.j_sleep = (int (*) __P((u_long, u_long)))func;
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break;
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case DB_FUNC_UNLINK:
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__db_jump.j_unlink = (int (*) __P((const char *)))func;
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break;
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case DB_FUNC_UNMAP:
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__db_jump.j_unmap = (int (*) __P((void *, size_t)))func;
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break;
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case DB_FUNC_WRITE:
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__db_jump.j_write =
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(ssize_t (*) __P((int, const void *, size_t)))func;
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break;
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case DB_FUNC_YIELD:
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__db_jump.j_yield = (int (*) __P((void)))func;
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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/*
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* db_value_set --
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* Replace values for the DB package.
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*/
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int
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db_value_set(value, which)
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int value, which;
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{
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int ret;
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switch (which) {
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case DB_MUTEXLOCKS:
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DB_GLOBAL(db_mutexlocks) = value;
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break;
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case DB_PAGEYIELD:
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DB_GLOBAL(db_pageyield) = value;
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break;
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case DB_REGION_ANON:
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if (value != 0 && (ret = __db_mapanon_ok(0)) != 0)
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return (ret);
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DB_GLOBAL(db_region_anon) = value;
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break;
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case DB_REGION_INIT:
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DB_GLOBAL(db_region_init) = value;
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break;
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case DB_REGION_NAME:
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if (value != 0 && (ret = __db_mapanon_ok(1)) != 0)
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return (ret);
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DB_GLOBAL(db_region_anon) = value;
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break;
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case DB_TSL_SPINS:
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if (value <= 0)
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return (EINVAL);
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DB_GLOBAL(db_tsl_spins) = value;
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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