[Mono-winforms-list] Patches for Solaris

[Dick Porter]

Hi all

Attached are a couple of patches to get MWF working on Solaris 10.  The
first works around the problem of missing methods in the native X
libraries: Xutf8ResetIC() and Xutf8LookupString().

The second patch would also assist any other slow systems that have
small network buffers.  The wake/wake_receive socket pair can deadlock
if too many wake packets are sent while the XEvent loop in
UpdateMessageQueue() is processing a large number of events, causing the
wake_receive poll to be delayed.  On Solaris, if more than 10 wake
packets are buffered it will deadlock.  The patch just makes the wake
socket non-blocking, on the grounds that it doesn't really matter how
many prods the loop gets so long as it wakes up once.

OK to commit these?

- Dick

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