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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1998, 1999, 2000
* Sleepycat Software. All rights reserved.
*
* $Id: debug.h,v 11.17 2000/07/07 15:50:36 bostic Exp $
*/
#if defined(__cplusplus)
extern "C" {
#endif
/*
* When running with #DIAGNOSTIC defined, we smash memory and do memory
* guarding with a special byte value.
*/
#define CLEAR_BYTE 0xdb
#define GUARD_BYTE 0xdc
/*
* DB assertions.
*/
#if defined(DIAGNOSTIC) && defined(__STDC__)
#define DB_ASSERT(e) ((e) ? (void)0 : __db_assert(#e, __FILE__, __LINE__))
#else
#define DB_ASSERT(e) ((void)0)
#endif
/*
* Purify and other run-time tools complain about uninitialized reads/writes
* of structure fields whose only purpose is padding, as well as when heap
* memory that was never initialized is written to disk.
*/
#ifdef UMRW
#define UMRW_SET(v) (v) = 0
#else
#define UMRW_SET(v)
#endif
/*
* Debugging macro to log operations.
* If DEBUG_WOP is defined, log operations that modify the database.
* If DEBUG_ROP is defined, log operations that read the database.
*
* D dbp
* T txn
* O operation (string)
* K key
* A data
* F flags
*/
#define LOG_OP(C, T, O, K, A, F) { \
DB_LSN __lsn; \
DBT __op; \
if (DB_LOGGING((C))) { \
memset(&__op, 0, sizeof(__op)); \
__op.data = O; \
__op.size = strlen(O) + 1; \
(void)__db_debug_log((C)->dbp->dbenv, \
T, &__lsn, 0, &__op, (C)->dbp->log_fileid, K, A, F);\
} \
}
#ifdef DEBUG_ROP
#define DEBUG_LREAD(C, T, O, K, A, F) LOG_OP(C, T, O, K, A, F)
#else
#define DEBUG_LREAD(C, T, O, K, A, F)
#endif
#ifdef DEBUG_WOP
#define DEBUG_LWRITE(C, T, O, K, A, F) LOG_OP(C, T, O, K, A, F)
#else
#define DEBUG_LWRITE(C, T, O, K, A, F)
#endif
/*
* Hook for testing recovery at various places in the create/delete paths.
*/
#if CONFIG_TEST
#define DB_TEST_RECOVERY(dbp, val, ret, name) \
do { \
int __ret; \
PANIC_CHECK((dbp)->dbenv); \
if ((dbp)->dbenv->test_copy == (val)) { \
/* COPY the FILE */ \
if (F_ISSET((dbp), DB_OPEN_CALLED) && (dbp)->mpf != NULL) \
(void)(dbp)->sync((dbp), 0); \
if ((__ret = __db_testcopy((dbp), (name))) != 0) \
(ret) = __db_panic((dbp)->dbenv, __ret); \
} \
if ((dbp)->dbenv->test_abort == (val)) { \
/* ABORT the TXN */ \
(ret) = EINVAL; \
goto db_tr_err; \
} \
} while (0)
#define DB_TEST_RECOVERY_LABEL db_tr_err:
#else
#define DB_TEST_RECOVERY(dbp, val, ret, name)
#define DB_TEST_RECOVERY_LABEL
#endif
#if defined(__cplusplus)
}
#endif
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