X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fmain.c;h=fb290bacc1a4345e12850d475fa10c720115f77f;hp=1ec1eeaa4b14be22fa0a8cde2d708279a50bcf4b;hb=f48c25b760239f20a6e82f3839e04f82d07bdeea;hpb=b4aacfdce9fe9fddc01b738a8cc807d764245cef diff --git a/src/bin/lttng-relayd/main.c b/src/bin/lttng-relayd/main.c index 1ec1eeaa4..fb290bacc 100644 --- a/src/bin/lttng-relayd/main.c +++ b/src/bin/lttng-relayd/main.c @@ -868,6 +868,11 @@ restart: revents = LTTNG_POLL_GETEV(&events, i); pollfd = LTTNG_POLL_GETFD(&events, i); + if (!revents) { + /* No activity for this FD (poll implementation). */ + continue; + } + /* Thread quit pipe has been closed. Killing thread. */ ret = check_thread_quit_pipe(pollfd, revents); if (ret) { @@ -2354,7 +2359,7 @@ int relay_process_data(struct relay_connection *conn) pthread_mutex_lock(&vstream->overwrite_lock); vstream->abort_flag = 1; pthread_mutex_unlock(&vstream->overwrite_lock); - DBG("Streaming side setting abort_flag on stream %s_%lu\n", + DBG("Streaming side setting abort_flag on stream %s_%" PRIu64 "\n", stream->channel_name, new_id); } else if (vstream->tracefile_count_current == stream->tracefile_count_current) { @@ -2536,6 +2541,11 @@ restart: health_code_update(); + if (!revents) { + /* No activity for this FD (poll implementation). */ + continue; + } + /* Thread quit pipe has been closed. Killing thread. */ ret = check_thread_quit_pipe(pollfd, revents); if (ret) { @@ -2638,46 +2648,49 @@ restart: health_code_update(); + if (!revents) { + /* No activity for this FD (poll implementation). */ + continue; + } + /* Skip the command pipe. It's handled in the first loop. */ if (pollfd == relay_conn_pipe[0]) { continue; } - if (revents) { - rcu_read_lock(); - conn = connection_find_by_sock(relay_connections_ht, pollfd); - if (!conn) { - /* Skip it. Might be removed before. */ + rcu_read_lock(); + conn = connection_find_by_sock(relay_connections_ht, pollfd); + if (!conn) { + /* Skip it. Might be removed before. */ + rcu_read_unlock(); + continue; + } + + if (revents & LPOLLIN) { + if (conn->type != RELAY_DATA) { rcu_read_unlock(); continue; } - if (revents & LPOLLIN) { - if (conn->type != RELAY_DATA) { - rcu_read_unlock(); - continue; - } - - ret = relay_process_data(conn); - /* Connection closed */ - if (ret < 0) { - cleanup_connection_pollfd(&events, pollfd); - destroy_connection(relay_connections_ht, conn); - DBG("Data connection closed with %d", pollfd); - /* - * Every goto restart call sets the last seen fd where - * here we don't really care since we gracefully - * continue the loop after the connection is deleted. - */ - } else { - /* Keep last seen port. */ - last_seen_data_fd = pollfd; - rcu_read_unlock(); - goto restart; - } + ret = relay_process_data(conn); + /* Connection closed */ + if (ret < 0) { + cleanup_connection_pollfd(&events, pollfd); + destroy_connection(relay_connections_ht, conn); + DBG("Data connection closed with %d", pollfd); + /* + * Every goto restart call sets the last seen fd where + * here we don't really care since we gracefully + * continue the loop after the connection is deleted. + */ + } else { + /* Keep last seen port. */ + last_seen_data_fd = pollfd; + rcu_read_unlock(); + goto restart; } - rcu_read_unlock(); } + rcu_read_unlock(); } last_seen_data_fd = -1; } @@ -2837,7 +2850,10 @@ int main(int argc, char **argv) cds_wfcq_init(&relay_conn_queue.head, &relay_conn_queue.tail); /* Set up max poll set size */ - lttng_poll_set_max_size(); + if (lttng_poll_set_max_size()) { + retval = -1; + goto exit_init_data; + } /* Initialize communication library */ lttcomm_init();