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a2828ed40b
For some daemons we'll be handing it non-talloc memory to scan for pointers. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
#ifndef LIGHTNING_COMMON_MEMLEAK_H
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#define LIGHTNING_COMMON_MEMLEAK_H
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#include "config.h"
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#include <ccan/cast/cast.h>
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#include <ccan/tal/tal.h>
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#include <inttypes.h>
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#if HAVE_TYPEOF
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#define memleak_typeof(var) typeof(var)
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#else
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#define memleak_typeof(var) void *
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#endif /* !HAVE_TYPEOF */
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/* Mark a pointer as not being leaked. */
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#define notleak(p) ((memleak_typeof(p))notleak_((p), false))
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/* Mark a pointer and all its tal children as not being leaked. */
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#define notleak_with_children(p) ((memleak_typeof(p))notleak_((p), true))
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#if DEVELOPER
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void *notleak_(const void *ptr, bool plus_children);
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struct htable;
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/* Initialize memleak detection */
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void memleak_init(void);
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/* Free memleak detection. */
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void memleak_cleanup(void);
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/* Allocate a htable with all the memory we've allocated. */
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struct htable *memleak_enter_allocations(const tal_t *ctx,
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const void *exclude1,
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const void *exclude2);
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/* Remove any pointers to memory under root */
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void memleak_remove_referenced(struct htable *memtable, const void *root);
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/* Remove any pointers inside this htable (which is opaque to memleak). */
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void memleak_remove_htable(struct htable *memtable, const struct htable *ht);
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/* Remove any pointers inside this uintmap (which is opaque to memleak). */
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#define memleak_remove_uintmap(memtable, umap) \
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memleak_remove_intmap_(memtable, uintmap_unwrap_(umap))
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struct intmap;
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void memleak_remove_intmap_(struct htable *memtable, const struct intmap *m);
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/* Mark this pointer as being referenced, and search within for more. */
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void memleak_scan_region(struct htable *memtable,
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const void *p, size_t bytelen);
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/* Get (and remove) a leak from memtable, or NULL */
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const void *memleak_get(struct htable *memtable, const uintptr_t **backtrace);
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#else /* ... !DEVELOPER */
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static inline void *notleak_(const void *ptr, bool plus_children UNNEEDED)
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{
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return cast_const(void *, ptr);
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}
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#endif /* !DEVELOPER */
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#endif /* LIGHTNING_COMMON_MEMLEAK_H */
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