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Bug#16263506 - INNODB; USE ABORT() ON ALL PLATFORMS INSTEAD OF

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DEREFERENCING UT_DBG_NULL_PTR
The abort() call is standard C but InnoDB only uses it in GCC
environments.  UT_DBG_USE_ABORT is not defined the code crashed
by dereferencing a null pointer instead of calling abort().
Other code throughout MySQL including ndb, sql, mysys and other
places call abort() directly.

This bug also affects innodb.innodb_bug14147491.test which fails
randomly on windows because of this issue. 

Approved by marko in http://rb.no.oracle.com/rb/r/1936/
This commit is contained in:
unknown 2013-02-06 13:49:56 -06:00
commit 6f83811d25
3 changed files with 0 additions and 76 deletions
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32
storage/innobase/ut/ut0dbg.c
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@ -35,16 +35,6 @@ Created 1/30/1994 Heikki Tuuri
UNIV_INTERN ulint ut_dbg_zero = 0;
#endif
#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
/** If this is set to TRUE by ut_dbg_assertion_failed(), all threads
will stop at the next ut_a() or ut_ad(). */
UNIV_INTERN ibool ut_dbg_stop_threads = FALSE;
#endif
#ifndef UT_DBG_USE_ABORT
/** A null pointer that will be dereferenced to trigger a memory trap */
UNIV_INTERN ulint* ut_dbg_null_ptr = NULL;
#endif
/*************************************************************//**
Report a failed assertion. */
UNIV_INTERN
@ -80,30 +70,8 @@ ut_dbg_assertion_failed(
"InnoDB: corruption in the InnoDB tablespace. Please refer to\n"
"InnoDB: " REFMAN "forcing-innodb-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
}
#if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
/*************************************************************//**
Stop a thread after assertion failure. */
UNIV_INTERN
void
ut_dbg_stop_thread(
/*===============*/
const char* file,
ulint line)
{
#ifndef UNIV_HOTBACKUP
fprintf(stderr, "InnoDB: Thread %lu stopped in file %s line %lu\n",
os_thread_pf(os_thread_get_curr_id()),
innobase_basename(file), line);
os_thread_sleep(1000000000);
#endif /* !UNIV_HOTBACKUP */
}
#endif
#ifdef UNIV_COMPILE_TEST_FUNCS
#include <sys/types.h>