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