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lightningd: make plugin opts free themselves.

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They are children of the plugin, so this Just Works.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2020-05-05 10:44:27 +09:30
parent 051cbf7cc4
commit 86615f5405
1 changed files with 8 additions and 9 deletions
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17
lightningd/plugin.c
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@ -190,7 +190,6 @@ void plugin_kill(struct plugin *plugin, char *fmt, ...)
{ {
char *msg; char *msg;
va_list ap; va_list ap;
struct plugin_opt *opt;
va_start(ap, fmt); va_start(ap, fmt);
msg = tal_vfmt(plugin, fmt, ap); msg = tal_vfmt(plugin, fmt, ap);
@ -202,14 +201,6 @@ void plugin_kill(struct plugin *plugin, char *fmt, ...)
kill(plugin->pid, SIGKILL); kill(plugin->pid, SIGKILL);
list_del(&plugin->list); list_del(&plugin->list);
/* FIXME: This cleans up as it goes because plugin_kill called twice! */
while ((opt = list_top(&plugin->plugin_opts, struct plugin_opt, list))) {
if (!opt_unregister(opt->name))
fatal("Could not unregister %s from plugin %s",
opt->name, plugin->cmd);
list_del_from(&plugin->plugin_opts, &opt->list);
}
if (plugin->start_cmd) { if (plugin->start_cmd) {
plugin_cmd_killed(plugin->start_cmd, plugin, msg); plugin_cmd_killed(plugin->start_cmd, plugin, msg);
plugin->start_cmd = NULL; plugin->start_cmd = NULL;
@ -606,6 +597,13 @@ char *plugin_opt_set(const char *arg, struct plugin_opt *popt)
return NULL; return NULL;
} }
static void destroy_plugin_opt(struct plugin_opt *opt)
{
if (!opt_unregister(opt->name))
fatal("Could not unregister %s", opt->name);
list_del(&opt->list);
}
/* Add a single plugin option to the plugin as well as registering it with the /* Add a single plugin option to the plugin as well as registering it with the
* command line options. */ * command line options. */
static const char *plugin_opt_add(struct plugin *plugin, const char *buffer, static const char *plugin_opt_add(struct plugin *plugin, const char *buffer,
@ -679,6 +677,7 @@ static const char *plugin_opt_add(struct plugin *plugin, const char *buffer,
opt_register_arg(popt->name, plugin_opt_set, NULL, popt, opt_register_arg(popt->name, plugin_opt_set, NULL, popt,
popt->description); popt->description);
tal_add_destructor(popt, destroy_plugin_opt);
return NULL; return NULL;
} }