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Use dmalloc instead of EFence when available (dmalloc has lot of improvements

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over EFence and also hopefully smaller memory overhead, but sadly it's non-free
for commercial use).

If the DMALLOC_OPTIONS environment variable is not set, switch on `reasonable'
checks by default.

Also introduced mb_allocz() for cleared mb_alloc().
This commit is contained in:
Martin Mares
1999-03-04 11:36:26 +00:00
parent aa64578641
commit 7a2105becd
8 changed files with 47 additions and 5 deletions
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18
lib/resource.h
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@@ -43,6 +43,7 @@ extern pool root_pool;
/* Normal memory blocks */
void *mb_alloc(pool *, unsigned size);
void *mb_allocz(pool *, unsigned size);
void mb_free(void *);
/* Memory pools with linear allocation */
@@ -62,9 +63,24 @@ slab *sl_new(pool *, unsigned size);
void *sl_alloc(slab *);
void sl_free(slab *, void *);
/* Low-level memory allocation functions, please don't use */
/*
* Low-level memory allocation functions, please don't use
* outside resource manager and possibly sysdep code.
*/
#ifdef HAVE_LIBDMALLOC
/*
* The standard dmalloc macros tend to produce lots of namespace
* conflicts and we use only xmalloc and xfree, so we can define
* the stubs ourselves.
*/
#define DMALLOC_DISABLE
#include <dmalloc.h>
#define xmalloc(size) _xmalloc_leap(__FILE__, __LINE__, size)
#define xfree(ptr) _xfree_leap(__FILE__, __LINE__, ptr)
#else
void *xmalloc(unsigned);
#define xfree(x) free(x)
#endif
#endif