#include "ust-registry.h"
#include "ust-app.h"
#include "utils.h"
+#include "lttng-sessiond.h"
+#include "notification-thread-commands.h"
/*
* Hash table match function for event in the registry.
* free the registry pointer since it might not have been allocated before so
* it's the caller responsability.
*/
-static void destroy_channel(struct ust_registry_channel *chan)
+static void destroy_channel(struct ust_registry_channel *chan, bool notif)
{
struct lttng_ht_iter iter;
struct ust_registry_event *event;
+ enum lttng_error_code cmd_ret;
assert(chan);
+ if (notif) {
+ cmd_ret = notification_thread_command_remove_channel(
+ notification_thread_handle, chan->consumer_key,
+ LTTNG_DOMAIN_UST);
+ if (cmd_ret != LTTNG_OK) {
+ ERR("Failed to remove channel from notification thread");
+ }
+ }
+
rcu_read_lock();
/* Destroy all event associated with this registry. */
cds_lfht_for_each_entry(chan->ht->ht, &iter.iter, event, node.node) {
return 0;
error:
- destroy_channel(chan);
+ destroy_channel(chan, false);
error_alloc:
return ret;
}
* Remove channel using key from registry and free memory.
*/
void ust_registry_channel_del_free(struct ust_registry_session *session,
- uint64_t key)
+ uint64_t key, bool notif)
{
struct lttng_ht_iter iter;
struct ust_registry_channel *chan;
ret = lttng_ht_del(session->channels, &iter);
assert(!ret);
rcu_read_unlock();
- destroy_channel(chan);
+ destroy_channel(chan, notif);
end:
return;
session->enums = lttng_ht_new(0, LTTNG_HT_TYPE_STRING);
if (!session->enums) {
- ret = -ENOMEM;
+ ERR("Failed to create enums hash table");
goto error;
}
/* hash/match functions are specified at call site. */
/* Delete the node from the ht and free it. */
ret = lttng_ht_del(reg->channels, &iter);
assert(!ret);
- destroy_channel(chan);
+ destroy_channel(chan, true);
}
rcu_read_unlock();
ht_cleanup_push(reg->channels);