X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fclient.c;h=04846abf57f0ffcea7d119898197163ac998774e;hp=d7db03fa76981f38ac60b3eb9e78579c9512fa4b;hb=242388e491e4219f967ee424d7bf02035a313e6f;hpb=28b3dc1e1eca004cae6023b8e491835ecdfdd041

diff --git a/src/bin/lttng-sessiond/client.c b/src/bin/lttng-sessiond/client.c
index d7db03fa7..04846abf5 100644
--- a/src/bin/lttng-sessiond/client.c
+++ b/src/bin/lttng-sessiond/client.c
@@ -2033,8 +2033,41 @@ error_add_context:
 	}
 	case LTTNG_REGISTER_TRIGGER:
 	{
+		struct lttng_trigger *return_trigger;
+		size_t original_payload_size;
+		size_t payload_size;
+
+		ret = setup_empty_lttng_msg(cmd_ctx);
+		if (ret) {
+			ret = LTTNG_ERR_NOMEM;
+			goto setup_error;
+		}
+
+		original_payload_size = cmd_ctx->reply_payload.buffer.size;
+
 		ret = cmd_register_trigger(cmd_ctx, *sock,
-				notification_thread_handle);
+				notification_thread_handle, &return_trigger);
+		if (ret != LTTNG_OK) {
+			goto error;
+		}
+
+		ret = lttng_trigger_serialize(return_trigger, &cmd_ctx->reply_payload);
+		if (ret) {
+			ERR("Failed to serialize trigger in reply to \"register trigger\" command");
+			ret = LTTNG_ERR_NOMEM;
+			lttng_trigger_destroy(return_trigger);
+			goto error;
+		}
+
+		lttng_trigger_destroy(return_trigger);
+		return_trigger = NULL;
+
+		payload_size = cmd_ctx->reply_payload.buffer.size -
+			original_payload_size;
+
+		update_lttng_msg(cmd_ctx, 0, payload_size);
+
+		ret = LTTNG_OK;
 		break;
 	}
 	case LTTNG_UNREGISTER_TRIGGER: