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e4c6fd89b7
GCC 10 defaults to `-fno-common`. no longer automatically sharing global variable definitions, which makes it important to define them in only one place (otherwise there will be duplicate definition errors). Add `extern` qualifiers where (I think) is the best place for them.
72 lines
2.3 KiB
C
72 lines
2.3 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 <ccan/typesafe_cb/typesafe_cb.h>
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#include <inttypes.h>
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struct htable;
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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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void *notleak_(const void *ptr, bool plus_children);
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/* Mark a helper to be called to scan this structure for mem references */
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/* For update-mock: memleak_add_helper_ mock empty */
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void memleak_add_helper_(const tal_t *p, void (*cb)(struct htable *memtable,
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const tal_t *));
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#if DEVELOPER
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#define memleak_add_helper(p, cb) \
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memleak_add_helper_((p), \
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typesafe_cb_preargs(void, const tal_t *, \
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(cb), (p), \
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struct htable *))
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#else
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/* Don't refer to cb at all if !DEVELOPER */
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#define memleak_add_helper(p, cb)
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#endif
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/* Initialize memleak detection */
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void memleak_init(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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extern struct backtrace_state *backtrace_state;
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#endif /* LIGHTNING_COMMON_MEMLEAK_H */
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