[patch] specify MSG_DONTWAIT in the __recvmsg call in clntudp_call

[Ulrich Drepper]

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Jeff Moyer wrote:
> I think it's reasonable to use MSG_DONTWAIT to make clntudp_call a bit
> more robust.

Since EAGAIN == EWOULDBLOCK this is a safe change which doesn't affect
the ABI.  Applied.

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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