From: Damien Doligez <damien.doligez@inria.fr>
To: danieljg@sundial.cs.cornell.edu, jgm@cs.cornell.edu,
pierre.weis@inria.fr
Cc: caml-list@inria.fr
Subject: RE: [Caml-list] Pattern matcher no more supposed to warn on non exhaustive patterns ?
Date: Thu, 4 Oct 2001 09:36:50 +0200 (MET DST) [thread overview]
Message-ID: <200110040736.JAA0000032278@beaune.inria.fr> (raw)
>From: "Gregory Morrisett" <jgm@cs.cornell.edu>
>The same thing shows up in SML/NJ with CML. The problem is that
>in the presence of threads, you really shouldn't be able to=20
>dereference a mutable value in your patterns.
I'd agree that core dump is surprising, but if your multi-threaded
program does anything with a mutable value without the protection of a
mutex, then it is incorrect (i.e. its semantics is unspecified). In
O'Caml, none of the operations is specified as atomic (except a few
things in the threads library), and you shouldn't assume that they are.
-- Damien
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next reply other threads:[~2001-10-04 7:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-04 7:36 Damien Doligez [this message]
2001-10-04 7:51 ` Einar Karttunen
-- strict thread matches above, loose matches on Subject: below --
2001-10-04 4:29 Gregory Morrisett
2001-10-04 7:06 ` Luc Maranget
2001-10-04 8:17 ` Jacques Garrigue
2001-10-04 12:28 ` Xavier Leroy
2001-10-03 17:37 Jean-Marc Eber
2001-10-03 16:54 ` Dan Grossman
2001-10-03 20:52 ` Pierre Weis
2001-10-04 7:55 ` Luc Maranget
2001-10-04 9:06 ` Luc Maranget
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