priod: make sure it compiles on older kernels

This commit is contained in:
Přemysl Eric Janouch 2017-07-18 23:05:43 +02:00
parent 047a55640c
commit 5c46d82954
Signed by: p
GPG Key ID: B715679E3A361BE6

View File

@ -368,7 +368,7 @@ on_event (const struct pollfd *pfd, struct app_context *ctx)
(struct sockaddr *) &addr, &addr_len);
if (len == 0)
exit_fatal ("socket closed");
if (len < 0 && errno == EAGAIN)
if (len < 0 && (errno == EAGAIN || errno == ENOBUFS))
return;
if (len < 0)
exit_fatal ("recvfrom: %s", strerror (errno));
@ -476,9 +476,12 @@ setup_exec_filter (int fd)
struct sock_fprog fprog = { .filter = filter, .len = N_ELEMENTS (filter) };
const int yes = 1;
if (setsockopt (fd, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof fprog) < 0
|| setsockopt (fd, SOL_NETLINK, NETLINK_NO_ENOBUFS, &yes, sizeof yes) < 0)
if (setsockopt (fd, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof fprog) < 0)
print_error ("setsockopt: %s", strerror (errno));
#if defined SOL_NETLINK && defined NETLINK_NO_ENOBUFS
if (setsockopt (fd, SOL_NETLINK, NETLINK_NO_ENOBUFS, &yes, sizeof yes) < 0)
print_error ("setsockopt: %s", strerror (errno));
#endif
}
int