urcu_ref_init(&session->ref);
CDS_INIT_LIST_HEAD(&session->recv_list);
pthread_mutex_init(&session->lock, NULL);
- pthread_mutex_init(&session->reflock, NULL);
pthread_mutex_init(&session->recv_list_lock, NULL);
session->live_timer = live_timer;
/* Should be called with RCU read-side lock held. */
bool session_get(struct relay_session *session)
{
- bool has_ref = false;
-
- pthread_mutex_lock(&session->reflock);
- if (session->ref.refcount != 0) {
- has_ref = true;
- urcu_ref_get(&session->ref);
- }
- pthread_mutex_unlock(&session->reflock);
-
- return has_ref;
+ return urcu_ref_get_unless_zero(&session->ref);
}
/*
void session_put(struct relay_session *session)
{
rcu_read_lock();
- pthread_mutex_lock(&session->reflock);
urcu_ref_put(&session->ref, session_release);
- pthread_mutex_unlock(&session->reflock);
rcu_read_unlock();
}
return ret;
}
+int session_abort(struct relay_session *session)
+{
+ int ret = 0;
+
+ if (!session) {
+ return 0;
+ }
+
+ pthread_mutex_lock(&session->lock);
+ DBG("aborting session %" PRIu64, session->id);
+ if (session->aborted) {
+ ERR("session %" PRIu64 " is already aborted", session->id);
+ ret = -1;
+ goto unlock;
+ }
+ session->aborted = true;
+unlock:
+ pthread_mutex_unlock(&session->lock);
+ return ret;
+}
+
void print_sessions(void)
{
struct lttng_ht_iter iter;