diff options
| author | Martin Sustrik <sustrik@250bpm.com> | 2014-11-20 21:58:01 +0100 |
|---|---|---|
| committer | Martin Sustrik <sustrik@250bpm.com> | 2014-11-20 21:58:01 +0100 |
| commit | 3cae36468c91f5de65234caae07c888b869510b1 (patch) | |
| tree | d2871064a110c19bd9d50847abe4537c5556bff8 /src/aio | |
| parent | 48d717c110650cf40bae5d10cf8669758263c10e (diff) | |
| download | nanomsg-3cae36468c91f5de65234caae07c888b869510b1.tar.gz | |
Check for presence of msghdr.msg_control
The field doesn't exist on some old systems.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
Diffstat (limited to 'src/aio')
| -rw-r--r-- | src/aio/usock_posix.inc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/aio/usock_posix.inc b/src/aio/usock_posix.inc index 6af6fbf..c87f708 100644 --- a/src/aio/usock_posix.inc +++ b/src/aio/usock_posix.inc @@ -1117,6 +1117,7 @@ static int nn_usock_recv_raw (struct nn_usock *self, void *buf, size_t *len) } /* Extract the associated file descriptor, if any. */ +#if defined NN_HAVE_MSG_CONTROL cmsg = CMSG_FIRSTHDR (&hdr); while (cmsg) { if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { @@ -1131,6 +1132,8 @@ static int nn_usock_recv_raw (struct nn_usock *self, void *buf, size_t *len) } cmsg = CMSG_NXTHDR (&hdr, cmsg); } +#else +#endif /* If the data were received directly into the place we can return straight away. */ |