mariadb/include/my_valgrind.h
Michael Widenius 9e23495b1d Added macros to inform valgrind that memory is uninitialized
include/Makefile.am:
  Make my_valgrind.h global (as it's used by my_global.h)
include/my_global.h:
  Include my_valgrind.h
include/my_sys.h:
  TRASH() moved to my_valgrind.h
include/my_valgrind.h:
  Add VALGRIND defines to mark memory
mysys/my_alloc.c:
  Mark internal freed memory as undefined
2010-05-26 22:27:01 +03:00

38 lines
1.3 KiB
C

/* 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>
#else
#define VALGRIND_MAKE_MEM_DEFINED(addr, size) do { } while(0)
#define VALGRIND_MAKE_MEM_NOACCESS(addr, size) do { } while(0)
#ifdef SAFEMALLOC
#define VALGRIND_MAKE_MEM_UNDEFINED(addr, size) bfill(addr, size, 0x8F)
#else
#define VALGRIND_MAKE_MEM_UNDEFINED(addr, size) do { } while(0)
#endif /* SAFEMALLOC */
#endif /* HAVE_valgrind */
/* Compatibility with old source */
#define TRASH(A,B) VALGRIND_MAKE_MEM_UNDEFINED(A, B)