X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fcommon%2Frelayd%2Frelayd.c;h=b936a4d3e7798e35e90983b6e20692d2b291bfc8;hb=1925ed698c6c5ce754d3d5a9cc2e8bb71d787cb7;hp=2adcbe415c63f16a176dba9167c247f34eb0eba3;hpb=e0547b835d76e0a3a2c3082d7c10e6902a1f3e04;p=lttng-tools.git

diff --git a/src/common/relayd/relayd.c b/src/common/relayd/relayd.c
index 2adcbe415..b936a4d3e 100644
--- a/src/common/relayd/relayd.c
+++ b/src/common/relayd/relayd.c
@@ -72,14 +72,14 @@ static int send_command(struct lttcomm_relayd_sock *rsock,
 		memcpy(buf + sizeof(header), data, size);
 	}
 
+	DBG3("Relayd sending command %d of size %" PRIu64, (int) cmd, buf_size);
 	ret = rsock->sock.ops->sendmsg(&rsock->sock, buf, buf_size, flags);
 	if (ret < 0) {
+		PERROR("Failed to send command %d of size %" PRIu64,
+				(int) cmd, buf_size);
 		ret = -errno;
 		goto error;
 	}
-
-	DBG3("Relayd sending command %d of size %" PRIu64, cmd, buf_size);
-
 error:
 	free(buf);
 alloc_error:
@@ -378,7 +378,8 @@ end:
  * If major versions are compatible, we assign minor_to_use to the
  * minor version of the procotol we are going to use for this session.
  *
- * Return 0 if compatible else negative value.
+ * Return 0 if the two daemons are compatible, LTTNG_ERR_RELAYD_VERSION_FAIL
+ * otherwise, or a negative value on network errors.
  */
 int relayd_version_check(struct lttcomm_relayd_sock *rsock)
 {
@@ -420,7 +421,7 @@ int relayd_version_check(struct lttcomm_relayd_sock *rsock)
 	 */
 	if (msg.major != rsock->major) {
 		/* Not compatible */
-		ret = -1;
+		ret = LTTNG_ERR_RELAYD_VERSION_FAIL;
 		DBG2("Relayd version is NOT compatible. Relayd version %u != %u (us)",
 				msg.major, rsock->major);
 		goto error;