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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2008-2011 WiredTiger, Inc.
* All rights reserved.
*
* $Id$
*/
#if defined(__cplusplus)
extern "C" {
#endif
#ifdef HAVE_DIAGNOSTIC
/*
* When WiredTiger is compiled with HAVE_DIAGNOSTIC, it optionally tracks memory
* allocations and frees to find memory leaks. (NB: the memory checking code
* is not thread-safe, and so running with threaded programs won't necessarily
* work correctly.)
*/
/*
* WT_MEM --
* A memory object.
*/
typedef struct {
const void *addr; /* Memory reference */
const char *file; /* Associated file */
int line; /* Associated line */
} WT_MEM;
/*
* WT_MTRACK --
* A memory tracking object.
*/
typedef struct __wt_mem {
WT_MEM *list; /* Memory array */
WT_MEM *next; /* Next open slot */
u_int slots; /* Slots */
} WT_MTRACK;
#endif
/*
* Our internal free function clears the underlying address atomically so there
* is no chance of racing threads seeing intermediate results while a structure
* is being free'd. (That would be a bug, of course, but I'd rather not drop
* core, just the same.) That's a non-standard "free" API, and the resulting
* bug is a mother to find -- make sure we get it right, don't make the caller
* remember to put the & operator on the pointer.
*/
#ifdef HAVE_DIAGNOSTIC
#define __wt_calloc(a, b, c, d) __wt_calloc_func(a, b, c, d, __FILE__, __LINE__)
#define __wt_free(a, b, c) __wt_free_func(a, &(b), c)
#define __wt_realloc(a, b, c,d) __wt_realloc_func(a, b, c,d, __FILE__, __LINE__)
#define __wt_strdup(a, b, c) __wt_strdup_func(a, b, c, __FILE__, __LINE__)
#else
#define __wt_calloc(a, b, c, d) __wt_calloc_func(a, b, c, d)
#define __wt_free(a, b, c) __wt_free_func(a, &(b))
#define __wt_realloc(a, b, c,d) __wt_realloc_func(a, b, c, d)
#define __wt_strdup(a, b, c) __wt_strdup_func(a, b, c)
#endif
#if defined(__cplusplus)
}
#endif
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