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add safemalloc back

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... but differently

client/mysqltest.cc:
  my_safe_print_str() don't append \n anymore
dbug/dbug.c:
  restore safemalloc as a part of dbug suite
dbug/user.r:
  restore 'S' flag documentation
include/my_dbug.h:
  restore safemalloc as a part of dbug suite
include/my_sys.h:
  move valgrind defines to a dedicated header
mysys/my_malloc.c:
  use new safemalloc
mysys/stacktrace.c:
  don't append \n. let the calller do it, if needed
sql/mysqld.cc:
  my_safe_print_str() don't append \n anymore
This commit is contained in:
Sergei Golubchik
2011-07-10 19:55:54 +02:00
parent 02b8232629
commit 172f5e28ba
12 changed files with 442 additions and 70 deletions
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46
include/my_valgrind.h Normal file
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@@ -0,0 +1,46 @@
/* Copyright (C) 2010 Monty Program Ab
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Some defines to make it easier to use valgrind */
#ifdef HAVE_valgrind
#define IF_VALGRIND(A,B) A
#else
#define IF_VALGRIND(A,B) B
#endif
#if defined(HAVE_valgrind) && defined(HAVE_VALGRIND_MEMCHECK_H)
# include <valgrind/memcheck.h>
# define MEM_UNDEFINED(a,len) VALGRIND_MAKE_MEM_UNDEFINED(a,len)
# define MEM_NOACCESS(a,len) VALGRIND_MAKE_MEM_NOACCESS(a,len)
# define MEM_CHECK_ADDRESSABLE(a,len) VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,len)
# define MEM_CHECK_DEFINED(a,len) VALGRIND_CHECK_MEM_IS_DEFINED(a,len)
#else /* HAVE_VALGRIND */
# define MEM_UNDEFINED(a,len) ((void) 0)
# define MEM_NOACCESS(a,len) ((void) 0)
# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0)
# define MEM_CHECK_DEFINED(a,len) ((void) 0)
#endif /* HAVE_VALGRIND */
#ifndef DBUG_OFF
#define TRASH_FILL(A,B,C) do { bfill(A, B, C); MEM_UNDEFINED(A, B); } while (0)
#else
#define TRASH_FILL(A,B,C) do{ MEM_CHECK_ADDRESSABLE(A,B);MEM_UNDEFINED(A,B);} while (0)
#endif
#define TRASH_ALLOC(A,B) TRASH_FILL(A,B,0xA5)
#define TRASH_FREE(A,B) TRASH_FILL(A,B,0x8F)
#define TRASH(A,B) TRASH_FREE(A,B)