From: Parag Warudkar <kernel-stuff@comcast.net>
To: Roland McGrath <roland@redhat.com>
Subject: Re: waitid() fails with EINVAL for SA_RESTART signals
Date: Thu, 26 May 2005 20:03:28 -0400
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On Thursday 26 May 2005 19:22, Roland McGrath wrote:
> > x86 has largely tried to move in that direction too, ie a lot of the
> > asm-calls have been turned into FASTCALL() with %eax pointing to the
> > stack.
> >
> > Roland, I applied the patch, but if there was some particular case that
> > triggered this, maybe it's worth trying to re-write that one.
>
> It's a danger for any system call.  Here it was sys_waitid.

On X86_64 the given program fails with Operation Not Supported error on 
waitid() - both 32bit and 64bit modes. The problem seems to be WCONTINUED - 
is it unimplemented on X86_64?
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