/*********************************************************************
Debug utilities for Innobase

(c) 1994, 1995 Innobase Oy

Created 1/30/1994 Heikki Tuuri
**********************************************************************/

#ifndef ut0dbg_h
#define ut0dbg_h

#include "univ.i"
#include <assert.h>
#include <stdlib.h>
#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)) {\
                ut_print_timestamp(stderr);\
	   	fprintf(stderr,\
       "  InnoDB: Assertion failure in thread %lu in file %s line %lu\n",\
		os_thread_pf(os_thread_get_curr_id()), IB__FILE__,\
                (ulint)__LINE__);\
		fprintf(stderr,\
       "InnoDB: Failing assertion: " #EXPR);\
	   	fprintf(stderr,\
       "\nInnoDB: We intentionally generate a memory trap.\n");\
                fprintf(stderr,\
       "InnoDB: Send a detailed bug report to mysql@lists.mysql.com\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) {\
	        fprintf(stderr,\
                     "InnoDB: Thread %lu stopped in file %s line %lu\n",\
     os_thread_pf(os_thread_get_curr_id()), IB__FILE__, (ulint)__LINE__);\
		os_thread_sleep(1000000000);\
	}\
}

/* This can be used if there are % characters in the assertion formula:
if we try to printf the formula gcc would complain of illegal print
format characters */
#define ut_anp(EXPR)\
{\
	ulint	dbg_i;\
\
	if (!((ulint)(EXPR) + ut_dbg_zero)) {\
                ut_print_timestamp(stderr);\
	   	fprintf(stderr,\
       "  InnoDB: Assertion failure in thread %lu in file %s line %lu\n",\
		os_thread_pf(os_thread_get_curr_id()), IB__FILE__,\
                (ulint)__LINE__);\
	   	fprintf(stderr,\
       "\nInnoDB: We intentionally generate a memory trap.\n");\
                fprintf(stderr,\
       "InnoDB: Send a detailed bug report to mysql@lists.mysql.com\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) {\
	        fprintf(stderr,\
                     "InnoDB: Thread %lu stopped in file %s line %lu\n",\
     os_thread_pf(os_thread_get_curr_id()), IB__FILE__, (ulint)__LINE__);\
		os_thread_sleep(1000000000);\
	}\
}

#define ut_error {\
	ulint	dbg_i;\
           ut_print_timestamp(stderr);\
	   fprintf(stderr,\
	  "  InnoDB: Assertion failure in thread %lu in file %s line %lu\n",\
 os_thread_pf(os_thread_get_curr_id()), IB__FILE__, (ulint)__LINE__);\
	   fprintf(stderr,\
		   "InnoDB: We intentionally generate a memory trap.\n");\
           fprintf(stderr,\
            "InnoDB: Send a detailed bug report to mysql@lists.mysql.com\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