ut0dbg.cc

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/*****************************************************************************

Copyright (c) 1994, 2009, Oracle and/or its affiliates. All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA

*****************************************************************************/

/*****************************************************************/
#include "univ.i"
#include "ut0dbg.h"
#ifndef UNIV_HOTBACKUP
# include "ha_prototypes.h"
#endif /* !UNIV_HOTBACKUP */

#if defined(__GNUC__) && (__GNUC__ > 2)
#else

UNIV_INTERN ulint       ut_dbg_zero     = 0;
#endif

/*************************************************************/
UNIV_INTERN
void
ut_dbg_assertion_failed(
/*====================*/
        const char* expr,       
        const char* file,       
        ulint line)             
{
        ut_print_timestamp(stderr);
#ifdef UNIV_HOTBACKUP
        fprintf(stderr, "  InnoDB: Assertion failure in file %s line %lu\n",
                file, line);
#else /* UNIV_HOTBACKUP */
        fprintf(stderr,
                "  InnoDB: Assertion failure in thread %lu"
                " in file %s line %lu\n",
                os_thread_pf(os_thread_get_curr_id()),
                innobase_basename(file), line);
#endif /* UNIV_HOTBACKUP */
        if (expr) {
                fprintf(stderr,
                        "InnoDB: Failing assertion: %s\n", expr);
        }

        fputs("InnoDB: We intentionally generate a memory trap.\n"
              "InnoDB: Submit a detailed bug report"
              " to http://bugs.mysql.com.\n"
              "InnoDB: If you get repeated assertion failures"
              " or crashes, even\n"
              "InnoDB: immediately after the mysqld startup, there may be\n"
              "InnoDB: corruption in the InnoDB tablespace. Please refer to\n"
              "InnoDB: " REFMAN "forcing-innodb-recovery.html\n"
              "InnoDB: about forcing recovery.\n", stderr);
}

#ifdef UNIV_COMPILE_TEST_FUNCS

#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>

#include <unistd.h>

#ifndef timersub
#define timersub(a, b, r)                                               \
        do {                                                            \
                (r)->tv_sec = (a)->tv_sec - (b)->tv_sec;                \
                (r)->tv_usec = (a)->tv_usec - (b)->tv_usec;             \
                if ((r)->tv_usec < 0) {                                 \
                        (r)->tv_sec--;                                  \
                        (r)->tv_usec += 1000000;                        \
                }                                                       \
        } while (0)
#endif /* timersub */

/*******************************************************************/
UNIV_INTERN
void
speedo_reset(
/*=========*/
        speedo_t*       speedo) 
{
        gettimeofday(&speedo->tv, NULL);

        getrusage(RUSAGE_SELF, &speedo->ru);
}

/*******************************************************************/
UNIV_INTERN
void
speedo_show(
/*========*/
        const speedo_t* speedo) 
{
        struct rusage   ru_now;
        struct timeval  tv_now;
        struct timeval  tv_diff;

        getrusage(RUSAGE_SELF, &ru_now);

        gettimeofday(&tv_now, NULL);

#define PRINT_TIMEVAL(prefix, tvp)              \
        fprintf(stderr, "%s% 5ld.%06ld sec\n",  \
                prefix, (tvp)->tv_sec, (tvp)->tv_usec)

        timersub(&tv_now, &speedo->tv, &tv_diff);
        PRINT_TIMEVAL("real", &tv_diff);

        timersub(&ru_now.ru_utime, &speedo->ru.ru_utime, &tv_diff);
        PRINT_TIMEVAL("user", &tv_diff);

        timersub(&ru_now.ru_stime, &speedo->ru.ru_stime, &tv_diff);
        PRINT_TIMEVAL("sys ", &tv_diff);
}

#endif /* UNIV_COMPILE_TEST_FUNCS */