sigwait return 4

[Slawa Olhovchenkov]

On Wed, Aug 24, 2011 at 10:56:09PM +0200, Jilles Tjoelker wrote:

> sigwait() was fixed not to return EINTR in 9-current in r212405 (fixed
> up in r219709). The discussion started at
> http://lists.freebsd.org/pipermail/freebsd-threads/2010-September/004892.html

As I see this revisions not MFCed.
No plans to fix this in 8-STABLE?

> Solaris is simply wrong in the same way we were wrong. Although POSIX
> may not be as clear on this as one may like, its intention is clear and
> additionally not returning EINTR reduces subtle portability problems.
> 
> Note that sigwaitinfo() and sigtimedwait() may return EINTR. SA_RESTART
> applies to sigwaitinfo() but not to sigtimedwait() (because the timeout
> cannot be restarted).
> 
> -- 
> Jilles Tjoelker
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