Re: [PATCH] epoll_[p]wait: fix spurious -EINTR on ptrace attach

[Denys Vlasenko]

On Tuesday 25 June 2013 22:06, Oleg Nesterov wrote:
> > > In order to define a "sigset_t ksigmask" member,
> >
> > You do not need it. But the reason is not clear until the cleanup.
> 
> I take this back, this is not as simple as I thought... and perhaps even
> not right.
> 
> However. Probably you can replace has_ksigmask + ksigmask by
> "sigset_t __user *sigmask" pointer?

This is going to be a PITA because we also need to support
the compat syscall, which uses compat_sigset_t*, not sigset_t*
:(
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