Re: [PATCH/RFC] signal races/bugs, losing TIF_SIGPENDING and other woes

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On Tue, 2007-06-05 at 16:51 -0700, Nicholas Miell wrote:
> Yes, that's certainly wrong, but that's an implementation issue. I was
> more concerned about the design of the API.
> 
> Naively, I would expect a reads on a signalfd to return either process
> signals or thread signals targeted towards the thread doing the read.
> 
> What it actually does (delivering process signals or thread signals
> targeted towards the thread that created the signalfd) is weird.
> 
> For one, it means you can't create a single signalfd, stick it in an
> epoll set, and then wait on that set from multiple threads. 

Heh, well, I'll let you discuss that apsect with Davide. Right now, I'm
just trying to make sure that the implementation in the kernel copes :-)

Ben.


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