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Viewing changes to plugin/innobase/ut/ut0dbg.cc

  • Committer: Stewart Smith
  • Date: 2008-10-15 04:21:24 UTC
  • mto: This revision was merged to the branch mainline in revision 516.
  • Revision ID: stewart@flamingspork.com-20081015042124-kdmb74bcbky1k1nz
remove my_pthread_[gs]etspecific

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plugin/innobase/ut/ut0dbg.cc
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/*****************************************************************************
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Copyright (C) 1994, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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13
 
You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
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St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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/*****************************************************************//**
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@file ut/ut0dbg.c
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Debug utilities for Innobase.
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Created 1/30/1994 Heikki Tuuri
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**********************************************************************/
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#include "univ.i"
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#include "ut0dbg.h"
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#if defined(__GNUC__) && (__GNUC__ > 2)
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#else
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/** This is used to eliminate compiler warnings */
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UNIV_INTERN ulint       ut_dbg_zero     = 0;
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#endif
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#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
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/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads
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will stop at the next ut_a() or ut_ad(). */
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UNIV_INTERN ibool       ut_dbg_stop_threads     = FALSE;
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#endif
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#ifndef UT_DBG_USE_ABORT
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/** A null pointer that will be dereferenced to trigger a memory trap */
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UNIV_INTERN ulint*      ut_dbg_null_ptr         = NULL;
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#endif
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/*************************************************************//**
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Report a failed assertion. */
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#ifdef __cplusplus
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extern "C"
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#endif
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UNIV_INTERN
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void
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ut_dbg_assertion_failed(
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/*====================*/
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        const char* expr,       /*!< in: the failed assertion (optional) */
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        const char* file,       /*!< in: source file containing the assertion */
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        ulint line)             /*!< in: line number of the assertion */
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{
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        ut_print_timestamp(stderr);
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#ifdef UNIV_HOTBACKUP
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        fprintf(stderr, "  InnoDB: Assertion failure in file %s line %lu\n",
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                file, line);
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#else /* UNIV_HOTBACKUP */
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        fprintf(stderr,
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                "  InnoDB: Assertion failure in thread %lu"
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                " in file %s line %lu\n",
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                os_thread_pf(os_thread_get_curr_id()), file, line);
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#endif /* UNIV_HOTBACKUP */
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        if (expr) {
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                fprintf(stderr,
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                        "InnoDB: Failing assertion: %s\n", expr);
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        }
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        fputs("InnoDB: We intentionally generate a memory trap.\n"
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              "InnoDB: Submit a detailed bug report"
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              " to http://bugs.mysql.com.\n"
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              "InnoDB: If you get repeated assertion failures"
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              " or crashes, even\n"
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              "InnoDB: immediately after the mysqld startup, there may be\n"
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              "InnoDB: corruption in the InnoDB tablespace. Please refer to\n"
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              "InnoDB: " REFMAN "forcing-recovery.html\n"
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              "InnoDB: about forcing recovery.\n", stderr);
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#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
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        ut_dbg_stop_threads = TRUE;
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#endif
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}
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#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
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/*************************************************************//**
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Stop a thread after assertion failure. */
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UNIV_INTERN
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void
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ut_dbg_stop_thread(
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/*===============*/
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        const char*     file,
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        ulint           line)
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{
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#ifndef UNIV_HOTBACKUP
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        fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n",
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                os_thread_pf(os_thread_get_curr_id()), file, line);
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        os_thread_sleep(1000000000);
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#endif /* !UNIV_HOTBACKUP */
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}
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#endif
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#ifdef UNIV_COMPILE_TEST_FUNCS
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <unistd.h>
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#ifndef timersub
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#define timersub(a, b, r)                                               \
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        do {                                                            \
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                (r)->tv_sec = (a)->tv_sec - (b)->tv_sec;                \
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                (r)->tv_usec = (a)->tv_usec - (b)->tv_usec;             \
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                if ((r)->tv_usec < 0) {                                 \
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                        (r)->tv_sec--;                                  \
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                        (r)->tv_usec += 1000000;                        \
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                }                                                       \
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        } while (0)
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#endif /* timersub */
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/*******************************************************************//**
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Resets a speedo (records the current time in it). */
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UNIV_INTERN
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void
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speedo_reset(
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/*=========*/
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        speedo_t*       speedo) /*!< out: speedo */
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{
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        gettimeofday(&speedo->tv, NULL);
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        getrusage(RUSAGE_SELF, &speedo->ru);
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}
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/*******************************************************************//**
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Shows the time elapsed and usage statistics since the last reset of a
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speedo. */
141
 
UNIV_INTERN
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void
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speedo_show(
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/*========*/
145
 
        const speedo_t* speedo) /*!< in: speedo */
146
 
{
147
 
        struct rusage   ru_now;
148
 
        struct timeval  tv_now;
149
 
        struct timeval  tv_diff;
150
 
 
151
 
        getrusage(RUSAGE_SELF, &ru_now);
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153
 
        gettimeofday(&tv_now, NULL);
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155
 
#define PRINT_TIMEVAL(prefix, tvp)              \
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        fprintf(stderr, "%s% 5ld.%06ld sec\n",  \
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                prefix, (tvp)->tv_sec, (tvp)->tv_usec)
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        timersub(&tv_now, &speedo->tv, &tv_diff);
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        PRINT_TIMEVAL("real", &tv_diff);
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162
 
        timersub(&ru_now.ru_utime, &speedo->ru.ru_utime, &tv_diff);
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        PRINT_TIMEVAL("user", &tv_diff);
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165
 
        timersub(&ru_now.ru_stime, &speedo->ru.ru_stime, &tv_diff);
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        PRINT_TIMEVAL("sys ", &tv_diff);
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}
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#endif /* UNIV_COMPILE_TEST_FUNCS */