1 files changed, 78 insertions, 0 deletions
diff --git a/innobase/include/ut0dbg.h b/innobase/include/ut0dbg.h
new file mode 100644
index 00000000000..cf49f4f993f
--- /dev/null
+++ b/innobase/include/ut0dbg.h
@@ -0,0 +1,78 @@
+/*********************************************************************
+Debug utilities for Innobase
+
+(c) 1994, 1995 Innobase Oy
+
+Created 1/30/1994 Heikki Tuuri
+**********************************************************************/
+
+#ifndef ut0dbg_h
+#define ut0dbg_h
+
+#include <assert.h>
+#include <stdlib.h>
+#include "univ.i"
+#include "os0thread.h"
+
+extern ulint	ut_dbg_zero; /* This is used to eliminate
+				compiler warnings */
+extern ibool	ut_dbg_stop_threads;
+
+extern ulint*	ut_dbg_null_ptr;
+
+				
+#define ut_a(EXPR)\
+{\
+	ulint	dbg_i;\
+\
+	if (!((ulint)(EXPR) + ut_dbg_zero)) {\
+	   	/* printf(\
+		"Assertion failure in thread %lu in file %s line %lu\n",\
+			os_thread_get_curr_id(), __FILE__, (ulint)__LINE__);\
+	   	printf(\
+	"we generate a memory trap on purpose to start the debugger\n");*/\
+		ut_dbg_stop_threads = TRUE;\
+		dbg_i = *(ut_dbg_null_ptr);\
+	   	if (dbg_i) {\
+			ut_dbg_null_ptr = NULL;\
+		}\
+	}\
+	if (ut_dbg_stop_threads) {\
+	   	printf("Thread %lu stopped in file %s line %lu\n",\
+			os_thread_get_curr_id(), __FILE__, (ulint)__LINE__);\
+		os_thread_sleep(1000000000);\
+	}\
+}
+
+#define ut_error {\
+	ulint	dbg_i;\
+	   printf(\
+		"Assertion failure in thread %lu in file %s line %lu\n",\
+			os_thread_get_curr_id(), __FILE__, (ulint)__LINE__);\
+	   printf("Generates memory trap on purpose for stack debugging\n");\
+	   ut_dbg_stop_threads = TRUE;\
+	   dbg_i = *(ut_dbg_null_ptr);\
+	   printf("%lu", dbg_i);\
+}
+
+
+
+#ifdef UNIV_DEBUG
+#define ut_ad(EXPR)  	ut_a(EXPR)
+#define ut_d(EXPR)	{EXPR;}
+#else
+#define ut_ad(EXPR)
+#define ut_d(EXPR)
+#endif
+
+
+#define UT_NOT_USED(A)	A = A
+
+
+
+
+
+
+
+#endif
+