networkd: FIONREAD is not reliable on some sockets

Fixes: #2457
2016-02-16 13:06:55 +01:00
parent 11ab173d40
commit 4edc2c9b6b
7 changed files with 64 additions and 40 deletions
@@ -133,5 +133,7 @@ int send_one_fd_sa(int transport_fd,
 #define send_one_fd(transport_fd, fd, flags) send_one_fd_sa(transport_fd, fd, NULL, 0, flags)
 int receive_one_fd(int transport_fd, int flags);

+ssize_t next_datagram_size_fd(int fd);
+
 #define CMSG_FOREACH(cmsg, mh)                                          \
        for ((cmsg) = CMSG_FIRSTHDR(mh); (cmsg); (cmsg) = CMSG_NXTHDR((mh), (cmsg)))