[#9382] the sign of a number is omitted when squaring it. -2**2 vs (-2)**2 — <noreply@...>

Bugs item #6468, was opened at 2006-11-03 17:25

9 messages 2006/11/03

[#9385] merge YARV into Ruby — SASADA Koichi <ko1@...>

Hi,

42 messages 2006/11/04
[#9405] Re: merge YARV into Ruby — "Kirill Shutemov" <k.shutemov@...> 2006/11/06

On 11/4/06, SASADA Koichi <ko1@atdot.net> wrote:

[#9406] Re: merge YARV into Ruby — Sylvain Joyeux <sylvain.joyeux@...4x.org> 2006/11/06

On Monday 06 November 2006 16:01, Kirill Shutemov wrote:

[#9417] Re: merge YARV into Ruby — Sean Russell <ser@...> 2006/11/06

On Monday 06 November 2006 10:15, Sylvain Joyeux wrote:

[#9428] Re: merge YARV into Ruby — "Kirill Shutemov" <k.shutemov@...> 2006/11/06

On 11/6/06, Sean Russell <ser@germane-software.com> wrote:

[#9402] fast mutexes for 1.8? — MenTaLguY <mental@...>

Many people have been using Thread.critical for locking because Ruby

24 messages 2006/11/06

[#9450] Bikeshed: No more Symbol < String? — Kornelius Kalnbach <murphy@...>

Hi ruby-core!

21 messages 2006/11/07
[#9452] Re: Bikeshed: No more Symbol < String? — Yukihiro Matsumoto <matz@...> 2006/11/07

Hi,

[#9493] Future Plans for Ruby 1.8 Series — URABE Shyouhei <shyouhei@...>

This week Japanese rubyists were talking about the future of ruby_1_8

13 messages 2006/11/09

[#9515] External entropy pool for random number generator — "Kirill Shutemov" <k.shutemov@...>

In the attachment patch which allow to use external entropy pool for

13 messages 2006/11/11
[#9522] Re: External entropy pool for random number generator — "Nobuyoshi Nakada" <nobu@...> 2006/11/13

Hi,

[#9554] Ruby 1.[89].\d+ and beyond. — Hugh Sasse <hgs@...>

I've been thinking about how version numbers are restricting what we can do.

30 messages 2006/11/16
[#9561] Re: Ruby 1.[89].\d+ and beyond. — Eric Hodel <drbrain@...7.net> 2006/11/16

[#9563] Re: Ruby 1.[89].\d+ and beyond. — Hugh Sasse <hgs@...> 2006/11/16

On Fri, 17 Nov 2006, Eric Hodel wrote:

[#9564] Re: Ruby 1.[89].\d+ and beyond. — Eric Hodel <drbrain@...7.net> 2006/11/16

On Nov 16, 2006, at 12:02 PM, Hugh Sasse wrote:

[#9571] Re: Ruby 1.[89].\d+ and beyond. — "Robert Dober" <robert.dober@...> 2006/11/19

On 11/16/06, Eric Hodel <drbrain@segment7.net> wrote:

[#9604] #ancestors never includes the singleton class (inconsistent) — <noreply@...>

Bugs item #6820, was opened at 2006-11-22 08:49

12 messages 2006/11/22
[#9618] Re: [ ruby-Bugs-6820 ] #ancestors never includes the singleton class (inconsistent) — Yukihiro Matsumoto <matz@...> 2006/11/25

Hi,

[#9629] Re: [ ruby-Bugs-6820 ] #ancestors never includes the singleton class (inconsistent) — Sylvain Joyeux <sylvain.joyeux@...4x.org> 2006/11/27

> It is supposed to. Singleton classes (or eigenclasses, if you want to

Re: fast mutexes for 1.8?

From: MenTaLguY <mental@...>
Date: 2006-11-11 22:36:26 UTC
List: ruby-core #9518
On Sun, 2006-11-12 at 07:05 +0900, MenTaLguY wrote:
> On Wed, 2006-11-08 at 16:47 +0900, Brent Roman wrote:
> > #BUT...the Mutex is unlocked at this point!!!
> > #so Ruby's thread scheduler can (and sometimes does)
> > #allow another thread to lock this mutex
> > #before thread t runs
> 
> In other words, a non-waiting thread could potentially "jump the queue"
> and acquire the lock before a waiting thread.
> 
> I've addressed this in my own Mutex implementation and am looking into
> what might need to be done for condition variables along similar lines.

Addendum: doing some research, it looks like both the Java language
specification and the pthreads manpages permit threads not in the wait
set to acquire the lock.

I'm going to revert the changes in my Mutex class, since it's probably
better if I don't offer guarantees that can't otherwise be met in any of
stock Ruby 1.8, YARV, or JRuby.

-mental

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