X-Git-Url: http://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.c;h=38d1d78713e6446dca9b55b001ccfbee376c88b3;hp=a1891d805e801e19599c69a4d22374465ff62498;hb=5d4193fd103743e68020148db71469b907020140;hpb=b69a1b4064e50db1192d79fd92305182cfc5829e

diff --git a/src/bin/lttng-sessiond/ust-app.c b/src/bin/lttng-sessiond/ust-app.c
index a1891d805..38d1d7871 100644
--- a/src/bin/lttng-sessiond/ust-app.c
+++ b/src/bin/lttng-sessiond/ust-app.c
@@ -3885,6 +3885,13 @@ int ust_app_setup_event_notifier_group(struct ust_app *app)
 		goto error;
 	}
 
+	ret = lttng_pipe_write_close(app->event_notifier_group.event_pipe);
+	if (ret) {
+		ERR("Failed to close write end of the application's event source pipe: app = '%s' (ppid = %d)",
+				app->name, app->ppid);
+		goto error;
+	}
+
 	lttng_ret = notification_thread_command_add_tracer_event_source(
 			notification_thread_handle,
 			lttng_pipe_get_readfd(app->event_notifier_group.event_pipe),