On Wed, Oct 21, 2015 at 03:38:51PM +0100, Alan Burlison wrote:
> On 21/10/2015 04:49, Al Viro wrote:
> >BTW, for real fun, consider this:
> >7)
> >// fd is a socket
> >fd2 = dup(fd);
> >in thread A: accept(fd);
> >in thread B: accept(fd);
> >in thread C: accept(fd2);
> >in thread D:
On Thu, Oct 29, 2015 at 03:18:40PM +, Alan Burlison wrote:
> On 29/10/2015 14:58, David Holland wrote:
> >ISTM that the best way to do this is to post a signal to the thread so
> >accept bails with EINTR, at which point it can check to see if it's
> >supposed to be exi
On Tue, Oct 27, 2015 at 10:52:46AM +, Alan Burlison wrote:
> >But in general, this is basically a problem with the application: the file
> >descriptor space is shared between threads and having one thread sniping
> >at open files, you do have a problem and whatever the kernel does in that
On Thu, Oct 29, 2015 at 04:15:33PM +, Alan Burlison wrote:
> >close(2) as specified by POSIX doesn't prohibit this weird revoke-like
> >behavior, but there's nothing in there that mandates it either. (I
> >thought this discussion had already clarified that.)
>
> There was an attempt to
