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Improve valgrind support when compiled with DEBUG_MEM

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This commit is contained in:
Zdenek Kabelac 2011-10-28 20:37:31 +00:00
parent 070f717131
commit 8009588314
1 changed files with 11 additions and 3 deletions
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14
libdm/mm/dbg_malloc.c
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@ -1,6 +1,6 @@
/* /*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved. * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved. * Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
* *
* This file is part of the device-mapper userspace tools. * This file is part of the device-mapper userspace tools.
* *
@ -15,6 +15,10 @@
#include "dmlib.h" #include "dmlib.h"
#ifdef VALGRIND_POOL
#include "valgrind/memcheck.h"
#endif
#include <assert.h> #include <assert.h>
#include <stdarg.h> #include <stdarg.h>
@ -115,7 +119,9 @@ void *dm_malloc_aux_debug(size_t s, const char *file, int line)
/* log_debug("Allocated: %u %u %u", nb->id, _mem_stats.blocks_allocated, /* log_debug("Allocated: %u %u %u", nb->id, _mem_stats.blocks_allocated,
_mem_stats.bytes); */ _mem_stats.bytes); */
#ifdef VALGRIND_POOL
VALGRIND_MAKE_MEM_UNDEFINED(nb + 1, s);
#endif
return nb + 1; return nb + 1;
} }
@ -141,7 +147,9 @@ void dm_free_aux(void *p)
/* sanity check */ /* sanity check */
assert(mb->magic == p); assert(mb->magic == p);
#ifdef VALGRIND_POOL
VALGRIND_MAKE_MEM_DEFINED(p, mb->length);
#endif
/* check data at the far boundary */ /* check data at the far boundary */
ptr = (char *) p + mb->length; ptr = (char *) p + mb->length;
for (i = 0; i < sizeof(unsigned long); i++) for (i = 0; i < sizeof(unsigned long); i++)