Re: libev-4.31 has just been released

2020-03-22 Thread Benjamin Mahler
Thanks Marc, do you have any broader comments on the implications of iouring for libev? It looks like iouring is finally bringing async system calls (not just async io) to Linux. Will libeio have an iouring backend that doesn't use a thread pool and instead hands the io off to the kernel with io_ur

Re: libev-4.31 has just been released

2020-03-18 Thread Benjamin Mahler
Just to follow up on this, if there have been any findings to share I'm sure many of us in the mailing list would be interested! On Sun, Dec 22, 2019 at 1:32 PM Jens Axboe wrote: > On 12/22/19 11:29 AM, Marc Lehmann wrote: > > So, after a few more mails from Jens, things do get clearer. > > > >

Re: libev-4.31 has just been released

2019-12-21 Thread Benjamin Mahler
+ Jens Sounds like some of the iouring findings are surprising to Jens (the author). Is there a benchmark he can run to look into this? Do you have more explanation about "silently ignore parts of the requested events on an undocumented subset of file description types"? On Sat, Dec 21, 2019 at

Re: Bug Report: SIGPIPE during call to ev_async_send

2015-10-12 Thread Benjamin Mahler
10:57 AM, Marc Lehmann wrote: > On Mon, Oct 12, 2015 at 10:48:32AM -0700, Benjamin Mahler < > benjamin.mah...@gmail.com> wrote: > > Ah sorry for not testing it earlier, applying this diff didn't fix the > > issue in our test suite. Looking at the diff more closel

Re: Bug Report: SIGPIPE during call to ev_async_send

2015-10-12 Thread Benjamin Mahler
ision=1.69&view=markup#l206 I injected print statements to validate that we are indeed hitting that line in our tests. On Mon, Oct 12, 2015 at 6:00 AM, Marc Lehmann wrote: > On Sun, Oct 11, 2015 at 04:42:03PM -0700, Benjamin Mahler < > benjamin.mah...@gmail.com> wrote: > > I

Re: Bug Report: SIGPIPE during call to ev_async_send

2015-10-11 Thread Benjamin Mahler
in 2015. I'm curious, do you know when this would make its way into a release? No worries if not. Ben On Sun, Oct 11, 2015 at 8:48 AM, Marc Lehmann wrote: > On Fri, Oct 09, 2015 at 11:55:17AM -0700, Benjamin Mahler < > benjamin.mah...@gmail.com> wrote: > > The bug is rare (o

Bug Report: SIGPIPE during call to ev_async_send

2015-10-09 Thread Benjamin Mahler
Hi Marc, First of all, thanks for the great library, the Mesos project has been using heavily in production for many years. Recently, we've encountered a rare issue in which SIGPIPE occurs during a call to ev_async_send. The environment is CentOS 5 (no eventfd, and epolll backend). The call to wr