You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

54 lines
1.6 KiB

#ifndef LIGHTNING_COMMON_MEMLEAK_H
#define LIGHTNING_COMMON_MEMLEAK_H
#include "config.h"
#include <ccan/cast/cast.h>
#include <ccan/tal/tal.h>
#include <inttypes.h>
#if HAVE_TYPEOF
#define memleak_typeof(var) typeof(var)
#else
#define memleak_typeof(var) void *
#endif /* !HAVE_TYPEOF */
/* Mark a pointer as not being leaked. */
#define notleak(p) ((memleak_typeof(p))notleak_((p), false))
/* Mark a pointer and all its tal children as not being leaked. */
#define notleak_with_children(p) ((memleak_typeof(p))notleak_((p), true))
#if DEVELOPER
void *notleak_(const void *ptr, bool plus_children);
struct htable;
struct backtrace_state;
/* Initialize memleak detection, with this as the root */
void memleak_init(const tal_t *root, struct backtrace_state *bstate);
/* Free memleak detection. */
void memleak_cleanup(void);
/* Allocate a htable with all the memory we've allocated. */
struct htable *memleak_enter_allocations(const tal_t *ctx,
const void *exclude1,
const void *exclude2);
/* Remove any pointers to memory under root */
void memleak_remove_referenced(struct htable *memtable, const void *root);
/* Mark this pointer as being referenced, and search within for more. */
void memleak_scan_region(struct htable *memtable, const void *p);
/* Get (and remove) a leak from memtable, or NULL */
const void *memleak_get(struct htable *memtable, const uintptr_t **backtrace);
#else /* ... !DEVELOPER */
static inline void *notleak_(const void *ptr, bool plus_children UNNEEDED)
{
return cast_const(void *, ptr);
}
#endif /* !DEVELOPER */
#endif /* LIGHTNING_COMMON_MEMLEAK_H */