+ /* Attach pthread_id context */
+ memset(&lum, 0, sizeof(lum));
+ lum.handle = channel_data.handle;
+ lum.cmd = LTTNG_UST_CONTEXT;
+ lum.u.context.ctx = LTTNG_UST_CONTEXT_PTHREAD_ID;
+ ret = send_app_cmd(sock, &lum, &lur);
+ if (ret)
+ return ret;
+ context_handle = lur.ret_val;
+ printf("received context handle %u\n", context_handle);
+