On Wed, Sep 30, 2015 at 11:28:35PM +0700, Robert Elz wrote:
> It also fits with the only safe thing that's really possible to do in a
> single handler being to set a variable and return (or exit the process)
> (ie: the main loop has to check a variable anyway, whether signal delivery
> is
> On the other hand, if kernel changes would be needed (for example to
> make SIGIO work with kqueue() on NetBSD) then we really should
> evaluate whether or not there is a better change that could be made
> to handle the situation, rather than just blindly making NetBSD the
> same as linux.
On Wed, Sep 30, 2015 at 12:30:36AM +0200, Joerg Sonnenberger wrote:
> On Tue, Sep 29, 2015 at 10:09:51PM +0200, Rhialto wrote:
> > On Tue 29 Sep 2015 at 13:22:08 +0200, Tobias Nygren wrote:
> > > Here is the relevant bit of the talk if you are curious:
> > >
> > >
Date:Wed, 30 Sep 2015 09:45:32 -0400
From:Thor Lancelot Simon
Message-ID: <20150930134532.ga25...@panix.com>
| Does the problem actually have to do with the mouse and keyboard?
The server also needs to deal with (potential) network connections from
On Wed, Sep 30, 2015 at 07:37:10AM -0400, Mouse wrote:
> > On the other hand, if kernel changes would be needed (for example to
> > make SIGIO work with kqueue() on NetBSD) then we really should
> > evaluate whether or not there is a better change that could be made
> > to handle the situation,
>> Mouse's idea of having the kernel write a flag word instead of
>> interrupting the process seems like a very nice fit if so.
> The issue with it is how one would ever safely clear the variable
> again, [...]
This is not difficult: you do it by not clearing the variable.
For the sake of
Hi!
During the XDC last week, Keith Packard talked about a select(2) issue
in xserver he would like to fix with epoll and its support for SIGIO.
Is there a similar feature in kqueue in NetBSD?
Thomas
On Tue, 29 Sep 2015 12:56:36 +0200
Joerg Sonnenberger wrote:
> On Tue, Sep 29, 2015 at 11:31:20AM +0200, Thomas Klausner wrote:
> > During the XDC last week, Keith Packard talked about a select(2) issue
> > in xserver he would like to fix with epoll and its support for
On Tue, Sep 29, 2015 at 11:31:20AM +0200, Thomas Klausner wrote:
> Hi!
>
> During the XDC last week, Keith Packard talked about a select(2) issue
> in xserver he would like to fix with epoll and its support for SIGIO.
> Is there a similar feature in kqueue in NetBSD?
It would be easier to answer
On Tue, Sep 29, 2015 at 10:09:51PM +0200, Rhialto wrote:
> On Tue 29 Sep 2015 at 13:22:08 +0200, Tobias Nygren wrote:
> > Here is the relevant bit of the talk if you are curious:
> >
> > https://www.youtube.com/watch?v=t400SmZlnO8=youtu.be=1888
>
> So he wants a signal when a message is
On Tue 29 Sep 2015 at 13:22:08 +0200, Tobias Nygren wrote:
> Here is the relevant bit of the talk if you are curious:
>
> https://www.youtube.com/watch?v=t400SmZlnO8=youtu.be=1888
So he wants a signal when a message is available in a kqueue, in other
words, can be read with kevent(2).
I do
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