/********************************************************************* Debug utilities for Innobase. (c) 1994, 1995 Innobase Oy Created 1/30/1994 Heikki Tuuri **********************************************************************/ #include "univ.i" #include "ut0dbg.h" #if defined(__GNUC__) && (__GNUC__ > 2) #else /* This is used to eliminate compiler warnings */ ulint ut_dbg_zero = 0; #endif #if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) /* If this is set to TRUE all threads will stop into the next assertion and assert */ ibool ut_dbg_stop_threads = FALSE; #endif #ifdef __NETWARE__ ibool panic_shutdown = FALSE; /* This is set to TRUE when on NetWare there happens an InnoDB assertion failure or other fatal error condition that requires an immediate shutdown. */ #elif !defined(UT_DBG_USE_ABORT) /* Null pointer used to generate memory trap */ ulint* ut_dbg_null_ptr = NULL; #endif /***************************************************************** Report a failed assertion. */ void ut_dbg_assertion_failed( /*====================*/ const char* expr, /* in: the failed assertion (optional) */ const char* file, /* in: source file containing the assertion */ ulint line) /* in: line number of the assertion */ { 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()), file, line); 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: http://dev.mysql.com/doc/refman/5.1/en/" "forcing-recovery.html\n" "InnoDB: about forcing recovery.\n", stderr); #if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) ut_dbg_stop_threads = TRUE; #endif } #ifdef __NETWARE__ /***************************************************************** Shut down MySQL/InnoDB after assertion failure. */ void ut_dbg_panic(void) /*==============*/ { if (!panic_shutdown) { panic_shutdown = TRUE; innobase_shutdown_for_mysql(); } exit(1); } #else /* __NETWARE__ */ # if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT) /***************************************************************** Stop a thread after assertion failure. */ void ut_dbg_stop_thread( /*===============*/ const char* file, ulint line) { fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n", os_thread_pf(os_thread_get_curr_id()), file, line); os_thread_sleep(1000000000); } # endif #endif /* __NETWARE__ */ #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 */ /*********************************************************************** Resets a speedo (records the current time in it). */ void speedo_reset( /*=========*/ speedo_t* speedo) /* out: speedo */ { gettimeofday(&speedo->tv, NULL); getrusage(RUSAGE_SELF, &speedo->ru); } /*********************************************************************** Shows the time elapsed and usage statistics since the last reset of a speedo. */ void speedo_show( /*========*/ const speedo_t* speedo) /* in: 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 */