X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Finet6.c;h=03b6627d1dce45188d28d81d234cb2c208c062eb;hb=2a85be8e0e679da996b48252b1d9aebb9bb29126;hp=e71b55ad1c3651defdbd6ef1df187309ce8825ff;hpb=2288467f63826a06d25ac361fa04ea92ec7ddfa3;p=lttng-tools.git

diff --git a/src/common/sessiond-comm/inet6.c b/src/common/sessiond-comm/inet6.c
index e71b55ad1..03b6627d1 100644
--- a/src/common/sessiond-comm/inet6.c
+++ b/src/common/sessiond-comm/inet6.c
@@ -110,31 +110,13 @@ int connect_no_timeout(struct lttcomm_sock *sock)
 			sizeof(sock->sockaddr.addr.sin6));
 }
 
-/*
- * Return time_a - time_b  in milliseconds.
- */
-static
-unsigned long time_diff_ms(struct timespec *time_a,
-		struct timespec *time_b)
-{
-	time_t sec_diff;
-	long nsec_diff;
-	unsigned long result_ms;
-
-	sec_diff = time_a->tv_sec - time_b->tv_sec;
-	nsec_diff = time_a->tv_nsec - time_b->tv_nsec;
-
-	result_ms = sec_diff * MSEC_PER_SEC;
-	result_ms += nsec_diff / NSEC_PER_MSEC;
-	return result_ms;
-}
-
 static
 int connect_with_timeout(struct lttcomm_sock *sock)
 {
 	unsigned long timeout = lttcomm_get_network_timeout();
 	int ret, flags, connect_ret;
 	struct timespec orig_time, cur_time;
+	unsigned long diff_ms;
 
 	ret = fcntl(sock->fd, F_GETFL, 0);
 	if (ret == -1) {
@@ -216,7 +198,12 @@ int connect_with_timeout(struct lttcomm_sock *sock)
 			connect_ret = ret;
 			goto error;
 		}
-	} while (time_diff_ms(&cur_time, &orig_time) < timeout);
+		if (timespec_to_ms(timespec_abs_diff(cur_time, orig_time), &diff_ms) < 0) {
+			ERR("timespec_to_ms input overflows milliseconds output");
+			connect_ret = -1;
+			goto error;
+		}
+	} while (diff_ms < timeout);
 
 	/* Timeout */
 	errno = ETIMEDOUT;
@@ -364,6 +351,9 @@ ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf,
 		len_last = iov[0].iov_len;
 		ret = recvmsg(sock->fd, &msg, flags);
 		if (ret > 0) {
+			if (flags & MSG_DONTWAIT) {
+				goto end;
+			}
 			iov[0].iov_base += ret;
 			iov[0].iov_len -= ret;
 			assert(ret <= len_last);
@@ -375,7 +365,7 @@ ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf,
 		ret = len;
 	}
 	/* Else ret = 0 meaning an orderly shutdown. */
-
+end:
 	return ret;
 }