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