Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 08 Jan 2013 21:25:13 -0800
From:      Richard Sharpe <rsharpe@richardsharpe.com>
To:        Daniel Eischen <deischen@freebsd.org>
Cc:        freebsd-hackers@freebsd.org, David Xu <davidxu@freebsd.org>
Subject:   Re: Is it possible to block pending queued RealTime signals (AIO originating)?
Message-ID:  <1357709113.8329.1.camel@localhost.localdomain>
In-Reply-To: <Pine.GSO.4.64.1301082218510.19271@sea.ntplx.net>
References:  <1357608470.6752.22.camel@localhost.localdomain> <50EB888A.2030802@freebsd.org> <1357626838.6752.27.camel@localhost.localdomain> <50EBC480.8000306@freebsd.org> <1357661646.6752.30.camel@localhost.localdomain> <1357686894.6752.37.camel@localhost.localdomain> <Pine.GSO.4.64.1301082208560.19271@sea.ntplx.net> <Pine.GSO.4.64.1301082218510.19271@sea.ntplx.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 2013-01-08 at 22:24 -0500, Daniel Eischen wrote:
> On Tue, 8 Jan 2013, Daniel Eischen wrote:
> 
> > On Tue, 8 Jan 2013, Richard Sharpe wrote:
> >
> >> [ ... ]
> >> 
> >> Well, it turns out that your suggestion was correct.
> >> 
> >> I did some more searching and found another similar suggestion, so I
> >> gave it a whirl, and it works.
> >> 
> >> Now, my problem is that Jeremy Allison thinks that it is a fugly hack.
> >> This means that I will probably have big problems getting a patch for
> >> this into Samba.
> >
> > I don't understand why JA thinks this is a hack.  Their current
> > method doesn't work, or at least isn't portable.  I've tried this
> > on Solaris 10, and it works just as it does in FreeBSD.  Test
> > program included after signature.
> >
> >  $ ./test_sigprocmask
> >  Sending signal 16
> >  Got signal 16, blocked: true
> >  Blocking signal 16 using method 0
> >  Handled signal 16, blocked: false
> >
> >  Sending signal 16
> >  Got signal 16, blocked: true
> >  Blocking signal 16 using method 1
> >  Handled signal 16, blocked: true
> 
> Weird - I just tested it on Linux (2.6.18-238.el5) and it works
> the same as FreeBSD and Solaris.  Am I misunderstanding something?
> Is it possible that Samba's code is broken on all platforms?

It is possible :-) 

AIO is off by default in configure. Then, when you switch it on in
configure you have to switch it on in the smb.conf.





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1357709113.8329.1.camel>