+static
+int detach_viewer_session(uint64_t id)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_detach_session_response resp;
+ struct lttng_viewer_detach_session_request rq;
+ int ret;
+ ssize_t ret_len;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_DETACH_SESSION);
+ cmd.data_size = htobe64(sizeof(rq));
+ cmd.cmd_version = htobe32(0);
+
+ memset(&rq, 0, sizeof(rq));
+ rq.session_id = htobe64(id);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ fprintf(stderr, "[error] Error sending cmd\n");
+ ret = ret_len;
+ goto error;
+ }
+
+ ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
+ if (ret_len < 0) {
+ fprintf(stderr, "Error sending attach request\n");
+ ret = ret_len;
+ goto error;
+ }
+
+ ret_len = lttng_live_recv(control_sock, &resp, sizeof(resp));
+ if (ret_len < 0) {
+ fprintf(stderr, "[error] Error receiving detach session reply\n");
+ ret = ret_len;
+ goto error;
+ }
+
+ if (be32toh(resp.status) != LTTNG_VIEWER_DETACH_SESSION_OK) {
+ fprintf(stderr, "[error] Error detaching viewer session\n");
+ ret = -1;
+ goto error;
+ }
+ ret = 0;
+
+error:
+ return ret;
+}
+