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From: oliver <oliver@first.in-berlin.de>
To: caml-list@inria.fr
Cc: ocsigen@inria.fr
Subject: Re: [Caml-list] BUG in unix.ml (was: strange errors when linking lwt.unix)
Date: Fri, 15 Mar 2013 11:02:24 +0100	[thread overview]
Message-ID: <20130315100224.GC1837@siouxsie> (raw)
In-Reply-To: <5142E780.7060806@hars.de>

Hello,

On Fri, Mar 15, 2013 at 10:18:56AM +0100, Florian Hars wrote:
> Am 14.03.2013 18:53, schrieb Sebastien Mondet:
> ># Unix.system "date";;
> >Thu Mar 14 08:48:27 EST 2013
> >Exception: Unix.Unix_error (Unix.EINTR, "waitpid", "").
> >#
> 
> That is just a bug in the unix library, Unix.system calls waitpid in
> 
> caml.inria.fr/cgi-bin/viewvc.cgi/ocaml/version/4.00/otherlibs/unix/unix.ml?view=markup#l849
> 
> instead of waitpid_non_intr
> http://caml.inria.fr/cgi-bin/viewvc.cgi/ocaml/version/4.00/otherlibs/unix/unix.ml?view=markup#l1002
> 
> I get the same behaviour without lwt:
> 
>         OCaml version 4.00.1
> 
> # #load "unix.cma";;
> # Sys.set_signal 10 (Sys.Signal_handle
>    (fun _ -> print_endline "A perfect ten"));;
> - : unit = ()
> # Unix.system "sleep 20";;
> A perfect ten
> Exception: Unix.Unix_error (Unix.EINTR, "waitpid", "").
> #
> 
> All I had to do is send a signal 10 to the ocaml process
> from another shell.
[...]

I don't get such errors with normal OCaml-distribution 3.11.1
and also not with opam's ocaml and 4.00.1.

So it seems to be lwt-problem.

Ciao,
   Oliver

  reply	other threads:[~2013-03-15 10:02 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAMu2m2Lt8oty_2mEQq8H1oV0-1Rjrf10ai543me9YxB1Nb5xfg@mail.gmail.com>
     [not found] ` <CALScVY=c1M=HAqMeM7x4QrxDTZsn0rB=HcTsQYheYUOBSBFRUQ@mail.gmail.com>
     [not found]   ` <CALScVYnt-m-dRR41rBPo5R3xDx-81tMwBFbM3q+5p4gRqsQC9w@mail.gmail.com>
     [not found]     ` <CALScVYmU7zEXbgdS21gGrq8iFvgVs0FWieKipRE9WtOM+PxeEg@mail.gmail.com>
2013-03-15  9:18       ` Florian Hars
2013-03-15 10:02         ` oliver [this message]
2013-03-15 10:11           ` David House
2013-03-15 11:38         ` Jeremie Dimino
2013-03-15 12:43           ` oliver
2013-03-15 13:17             ` Jeremie Dimino
2013-03-15 13:28               ` oliver
2013-03-15 13:43                 ` Jeremie Dimino
2013-03-15 13:24             ` Jeremie Dimino
2013-03-15 13:58               ` oliver
2013-03-15 14:05                 ` oliver
2013-03-15 14:16                   ` Jeremie Dimino
2013-03-15 14:18                     ` oliver
2013-03-15 14:17               ` oliver
2013-03-15 14:27                 ` oliver
2013-03-15 15:05                   ` Jeremie Dimino
2013-03-15 15:11                     ` oliver
2013-03-15 15:44                       ` Gabriel Kerneis
2013-03-15 16:00                         ` oliver
2013-03-15 16:12                           ` Gabriel Kerneis
2013-03-15 16:25                             ` oliver
2013-03-15 17:28                               ` Jeremie Dimino
2013-03-15 15:16                     ` oliver

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