X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libust%2Flttng-ust-comm.c;h=1507a65fcd588a3276d863d87f36a1ff1c22d295;hb=a285a37667147f0e7ade6b45d147440438ee4d50;hp=c5a3064ae216f222771e7acd99199ea12a520085;hpb=e9f37b4cb3e2485b949083307aadfc4bda56ce96;p=ust.git

diff --git a/libust/lttng-ust-comm.c b/libust/lttng-ust-comm.c
index c5a3064..1507a65 100644
--- a/libust/lttng-ust-comm.c
+++ b/libust/lttng-ust-comm.c
@@ -184,6 +184,10 @@ int register_app_to_sessiond(int socket)
 	ret = lttcomm_send_unix_sock(socket, &reg_msg, sizeof(reg_msg));
 	if (ret >= 0 && ret != sizeof(reg_msg))
 		return -EIO;
+	ret = fdatasync(socket);
+	if (ret) {
+		return -errno;
+	}
 	return ret;
 }
 
@@ -191,11 +195,17 @@ static
 int send_reply(int sock, struct lttcomm_ust_reply *lur)
 {
 	ssize_t len;
+	int ret;
 
 	len = lttcomm_send_unix_sock(sock, lur, sizeof(*lur));
 	switch (len) {
 	case sizeof(*lur):
 		DBG("message successfully sent");
+		ret = fdatasync(sock);
+		if (ret) {
+			DBG("fdatasync error");
+			return -1;
+		}
 		return 0;
 	case -1:
 		if (errno == ECONNRESET) {