X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fsession.c;h=42c29aeb0b4816f5d83437f14aa6a4f3631762aa;hb=2a85be8e0e679da996b48252b1d9aebb9bb29126;hp=f76fb4a42e7606b8ebfea427033b00e3de192020;hpb=98ba050ed140ff29ac98f66dba0e47db70e4a0c5;p=lttng-tools.git diff --git a/src/bin/lttng-relayd/session.c b/src/bin/lttng-relayd/session.c index f76fb4a42..42c29aeb0 100644 --- a/src/bin/lttng-relayd/session.c +++ b/src/bin/lttng-relayd/session.c @@ -69,7 +69,6 @@ struct relay_session *session_create(const char *session_name, 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; @@ -86,16 +85,7 @@ error: /* 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); } /* @@ -178,9 +168,7 @@ void session_release(struct urcu_ref *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(); } @@ -194,16 +182,8 @@ int session_close(struct relay_session *session) pthread_mutex_lock(&session->lock); DBG("closing session %" PRIu64 ": is conn already closed %d", session->id, session->connection_closed); - if (session->connection_closed) { - ret = -1; - goto unlock; - } session->connection_closed = true; -unlock: pthread_mutex_unlock(&session->lock); - if (ret) { - return ret; - } rcu_read_lock(); cds_lfht_for_each_entry(session->ctf_traces_ht->ht, @@ -238,13 +218,7 @@ int session_abort(struct relay_session *session) 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; }