X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-ust-comm.c;h=530102b54aee47864dc463d63ce9d3b6dc774453;hb=d8d2416dab454962b90222ba46c82cdce0c666a4;hp=87657ef80109851033088de33b5c756ca0d6c24e;hpb=8968a99fff433db0ce9268ed8f4107ddaf072186;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-ust-comm.c b/liblttng-ust/lttng-ust-comm.c
index 87657ef8..530102b5 100644
--- a/liblttng-ust/lttng-ust-comm.c
+++ b/liblttng-ust/lttng-ust-comm.c
@@ -321,6 +321,8 @@ static const char *cmd_name_mapping[] = {
 	[ LTTNG_UST_REGISTER_DONE ] = "Registration Done",
 	[ LTTNG_UST_TRACEPOINT_FIELD_LIST ] = "Create Tracepoint Field List",
 
+	[ LTTNG_UST_EVENT_NOTIFIER_GROUP_CREATE ] = "Create event notifier group",
+
 	/* Session FD commands */
 	[ LTTNG_UST_CHANNEL ] = "Create Channel",
 	[ LTTNG_UST_SESSION_START ] = "Start Session",
@@ -345,6 +347,9 @@ static const char *cmd_name_mapping[] = {
 	/* Event FD commands */
 	[ LTTNG_UST_FILTER ] = "Create Filter",
 	[ LTTNG_UST_EXCLUSION ] = "Add exclusions to event",
+
+	/* Event notifier group commands */
+	[ LTTNG_UST_EVENT_NOTIFIER_CREATE ] = "Create event notifier",
 };
 
 static const char *str_timeout;
@@ -908,6 +913,47 @@ int handle_message(struct sock_info *sock_info,
 		}
 		break;
 	}
+	case LTTNG_UST_EVENT_NOTIFIER_GROUP_CREATE:
+	{
+		int event_notifier_notif_fd;
+
+		len = ustcomm_recv_event_notifier_notif_fd_from_sessiond(sock,
+			&event_notifier_notif_fd);
+		switch (len) {
+		case 0:	/* orderly shutdown */
+			ret = 0;
+			goto error;
+		case 1:
+			break;
+		default:
+			if (len < 0) {
+				DBG("Receive failed from lttng-sessiond with errno %d",
+						(int) -len);
+				if (len == -ECONNRESET) {
+					ERR("%s remote end closed connection",
+							sock_info->name);
+					ret = len;
+					goto error;
+				}
+				ret = len;
+				goto error;
+			} else {
+				DBG("Incorrect event notifier fd message size: %zd",
+						len);
+				ret = -EINVAL;
+				goto error;
+			}
+		}
+		args.event_notifier_handle.event_notifier_notif_fd =
+				event_notifier_notif_fd;
+		if (ops->cmd)
+			ret = ops->cmd(lum->handle, lum->cmd,
+					(unsigned long) &lum->u,
+					&args, sock_info);
+		else
+			ret = -ENOSYS;
+		break;
+	}
 	case LTTNG_UST_CHANNEL:
 	{
 		void *chan_data;