debug.h
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:3k
- /*-
- * 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