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libplugin: let plugins add annotations to memleak. 

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
mar
This commit is contained in:
Rusty Russell 2021-09-07 13:36:05 +09:30 committed by Christian Decker
parent dd65a9150a
commit b82e5be6e1
2 changed files with 25 additions and 0 deletions
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18
plugins/libplugin.c
View File

@ -99,6 +99,11 @@ struct plugin {
const char **notif_topics;
size_t num_notif_topics;
#if DEVELOPER
/* Lets them remove ptrs from leak detection. */
void (*mark_mem)(struct plugin *plugin, struct htable *memtable);
#endif
};
/* command_result is mainly used as a compile-time check to encourage you
@ -1197,9 +1202,19 @@ static void memleak_check(struct plugin *plugin, struct command *cmd)
/* We know usage strings are referred to. */
memleak_remove_strmap(memtable, &cmd->plugin->usagemap);
if (plugin->mark_mem)
plugin->mark_mem(plugin, memtable);
memleak_plugin = plugin;
dump_memleak(memtable, log_memleak);
}
void plugin_set_memleak_handler(struct plugin *plugin,
void (*mark_mem)(struct plugin *plugin,
struct htable *memtable))
{
plugin->mark_mem = mark_mem;
}
#endif /* DEVELOPER */
static void ld_command_handle(struct plugin *plugin,
@ -1498,6 +1513,9 @@ static struct plugin *new_plugin(const tal_t *ctx,
tal_arr_expand(&p->opts, o);
}
#if DEVELOPER
p->mark_mem = NULL;
#endif
return p;
}

7
plugins/libplugin.h
View File

@ -342,4 +342,11 @@ struct createonion_response *json_to_createonion_response(const tal_t *ctx,
struct route_hop *json_to_route(const tal_t *ctx, const char *buffer,
const jsmntok_t *toks);
#if DEVELOPER
struct htable;
void plugin_set_memleak_handler(struct plugin *plugin,
void (*mark_mem)(struct plugin *plugin,
struct htable *memtable));
#endif /* DEVELOPER */
#endif /* LIGHTNING_PLUGINS_LIBPLUGIN_H */