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common/memleak: hoist strmap helper from out of lightningd/memdump.c

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2021-09-06 22:10:27 +09:30
committed by Christian Decker
parent a5fee67b91
commit 1f7fb33563
6 changed files with 24 additions and 27 deletions
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18
common/memleak.c
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@@ -160,6 +160,24 @@ void memleak_remove_intmap_(struct htable *memtable, const struct intmap *m)
memleak_remove_region(memtable, p, tal_bytelen(p));
}
static bool handle_strmap(const char *member, void *p, void *memtable_)
{
struct htable *memtable = memtable_;
/* membername may *not* be a tal ptr, but it can be! */
pointer_referenced(memtable, member);
memleak_remove_region(memtable, p, tal_bytelen(p));
/* Keep going */
return true;
}
/* FIXME: If strmap used tal, this wouldn't be necessary! */
void memleak_remove_strmap_(struct htable *memtable, const struct strmap *m)
{
strmap_iterate_(m, handle_strmap, memtable);
}
static bool ptr_match(const void *candidate, void *ptr)
{
return candidate == ptr;

6
common/memleak.h
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@@ -2,6 +2,7 @@
#define LIGHTNING_COMMON_MEMLEAK_H
#include "config.h"
#include <ccan/cast/cast.h>
#include <ccan/strmap/strmap.h>
#include <ccan/tal/tal.h>
#include <ccan/typesafe_cb/typesafe_cb.h>
#include <inttypes.h>
@@ -109,6 +110,11 @@ void memleak_remove_htable(struct htable *memtable, const struct htable *ht);
struct intmap;
void memleak_remove_intmap_(struct htable *memtable, const struct intmap *m);
/* Remove any pointers inside this strmap (which is opaque to memleak). */
#define memleak_remove_strmap(memtable, strmap) \
memleak_remove_strmap_((memtable), tcon_unwrap(strmap))
void memleak_remove_strmap_(struct htable *memtable, const struct strmap *m);
/**
* memleak_get: get (and remove) a leak from memtable, or NULL
* @memtable: the memtable after all known allocations removed.

16
lightningd/memdump.c
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@@ -128,22 +128,6 @@ static void json_add_backtrace(struct json_stream *response,
json_array_end(response);
}
static bool handle_strmap(const char *member, void *p, void *memtable_)
{
struct htable *memtable = memtable_;
memleak_remove_region(memtable, p, tal_bytelen(p));
/* Keep going */
return true;
}
/* FIXME: If strmap used tal, this wouldn't be necessary! */
void memleak_remove_strmap_(struct htable *memtable, const struct strmap *m)
{
strmap_iterate_(m, handle_strmap, memtable);
}
static void scan_mem(struct command *cmd,
struct json_stream *response,
struct lightningd *ld,

5
lightningd/memdump.h
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@@ -12,9 +12,4 @@ struct subd;
void opening_memleak_done(struct command *cmd, struct subd *leaker);
void peer_memleak_done(struct command *cmd, struct subd *leaker);
/* Remove any pointers inside this strmap (which is opaque to memleak). */
#define memleak_remove_strmap(memtable, strmap) \
memleak_remove_strmap_((memtable), tcon_unwrap(strmap))
void memleak_remove_strmap_(struct htable *memtable, const struct strmap *m);
#endif /* LIGHTNING_LIGHTNINGD_MEMDUMP_H */

3
lightningd/test/run-find_my_abspath.c
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@@ -161,9 +161,6 @@ bool log_status_msg(struct log *log UNNEEDED,
const struct node_id *node_id UNNEEDED,
const u8 *msg UNNEEDED)
{ fprintf(stderr, "log_status_msg called!\n"); abort(); }
/* Generated stub for memleak_remove_strmap_ */
void memleak_remove_strmap_(struct htable *memtable UNNEEDED, const struct strmap *m UNNEEDED)
{ fprintf(stderr, "memleak_remove_strmap_ called!\n"); abort(); }
/* Generated stub for new_log */
struct log *new_log(const tal_t *ctx UNNEEDED, struct log_book *record UNNEEDED,
const struct node_id *default_node_id UNNEEDED,

3
lightningd/test/run-jsonrpc.c
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@@ -50,9 +50,6 @@ void log_io(struct log *log UNNEEDED, enum log_level dir UNNEEDED,
/* Generated stub for log_level_name */
const char *log_level_name(enum log_level level UNNEEDED)
{ fprintf(stderr, "log_level_name called!\n"); abort(); }
/* Generated stub for memleak_remove_strmap_ */
void memleak_remove_strmap_(struct htable *memtable UNNEEDED, const struct strmap *m UNNEEDED)
{ fprintf(stderr, "memleak_remove_strmap_ called!\n"); abort(); }
/* Generated stub for new_log */
struct log *new_log(const tal_t *ctx UNNEEDED, struct log_book *record UNNEEDED,
const struct node_id *default_node_id UNNEEDED,