Import changeset

1 files changed, 104 insertions, 0 deletions

diff --git a/bdb/include/debug.h b/bdb/include/debug.h
new file mode 100644
index 00000000000..9a3ffc1acb6
--- /dev/null
+++ b/bdb/include/debug.h
@@ -0,0 +1,104 @@
+/*-
+ * 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