diff options
Diffstat (limited to 'bdb/dbinc/cxx_int.h')
| -rw-r--r-- | bdb/dbinc/cxx_int.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/bdb/dbinc/cxx_int.h b/bdb/dbinc/cxx_int.h deleted file mode 100644 index 9af3979d9f1..00000000000 --- a/bdb/dbinc/cxx_int.h +++ /dev/null @@ -1,81 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1997-2002 - * Sleepycat Software. All rights reserved. - * - * $Id: cxx_int.h,v 11.20 2002/01/11 15:52:23 bostic Exp $ - */ - -#ifndef _CXX_INT_H_ -#define _CXX_INT_H_ - -// private data structures known to the implementation only - -// -// Using FooImp classes will allow the implementation to change in the -// future without any modification to user code or even to header files -// that the user includes. FooImp * is just like void * except that it -// provides a little extra protection, since you cannot randomly assign -// any old pointer to a FooImp* as you can with void *. Currently, a -// pointer to such an opaque class is always just a pointer to the -// appropriate underlying implementation struct. These are converted -// back and forth using the various overloaded wrap()/unwrap() methods. -// This is essentially a use of the "Bridge" Design Pattern. -// -// WRAPPED_CLASS implements the appropriate wrap() and unwrap() methods -// for a wrapper class that has an underlying pointer representation. -// -#define WRAPPED_CLASS(_WRAPPER_CLASS, _IMP_CLASS, _WRAPPED_TYPE) \ - \ - class _IMP_CLASS {}; \ - \ - inline _WRAPPED_TYPE unwrap(_WRAPPER_CLASS *val) \ - { \ - if (!val) return (0); \ - return ((_WRAPPED_TYPE)((void *)(val->imp()))); \ - } \ - \ - inline const _WRAPPED_TYPE unwrapConst(const _WRAPPER_CLASS *val) \ - { \ - if (!val) return (0); \ - return ((const _WRAPPED_TYPE)((void *)(val->constimp()))); \ - } \ - \ - inline _IMP_CLASS *wrap(_WRAPPED_TYPE val) \ - { \ - return ((_IMP_CLASS*)((void *)val)); \ - } - -WRAPPED_CLASS(DbMpoolFile, DbMpoolFileImp, DB_MPOOLFILE*) -WRAPPED_CLASS(Db, DbImp, DB*) -WRAPPED_CLASS(DbEnv, DbEnvImp, DB_ENV*) -WRAPPED_CLASS(DbTxn, DbTxnImp, DB_TXN*) - -// A tristate integer value used by the DB_ERROR macro below. -// We chose not to make this an enumerated type so it can -// be kept private, even though methods that return the -// tristate int can be declared in db_cxx.h . -// -#define ON_ERROR_THROW 1 -#define ON_ERROR_RETURN 0 -#define ON_ERROR_UNKNOWN (-1) - -// Macros that handle detected errors, in case we want to -// change the default behavior. The 'policy' is one of -// the tristate values given above. If UNKNOWN is specified, -// the behavior is taken from the last initialized DbEnv. -// -#define DB_ERROR(caller, ecode, policy) \ - DbEnv::runtime_error(caller, ecode, policy) - -#define DB_ERROR_DBT(caller, dbt, policy) \ - DbEnv::runtime_error_dbt(caller, dbt, policy) - -#define DB_OVERFLOWED_DBT(dbt) \ - (F_ISSET(dbt, DB_DBT_USERMEM) && dbt->size > dbt->ulen) - -/* values for Db::flags_ */ -#define DB_CXX_PRIVATE_ENV 0x00000001 - -#endif /* !_CXX_INT_H_ */ |