[#44036] [ruby-trunk - Feature #6242][Open] Ruby should support lists — "shugo (Shugo Maeda)" <redmine@...>

20 messages 2012/04/01

[#44084] [ruby-trunk - Bug #6246][Open] 1.9.3-p125 intermittent segfault — "jshow (Jodi Showers)" <jodi@...>

22 messages 2012/04/02

[#44156] [ruby-trunk - Feature #6265][Open] Remove 'useless' 'concatenation' syntax — "rosenfeld (Rodrigo Rosenfeld Rosas)" <rr.rosas@...>

45 messages 2012/04/06

[#44163] [ruby-trunk - Bug #6266][Open] encoding related exception with recent integrated psych — "jonforums (Jon Forums)" <redmine@...>

10 messages 2012/04/06

[#44303] [ruby-trunk - Feature #6284][Open] Add composition for procs — "pabloh (Pablo Herrero)" <pablodherrero@...>

57 messages 2012/04/12

[#44349] [ruby-trunk - Feature #6293][Open] new queue / blocking queues — "tenderlovemaking (Aaron Patterson)" <aaron@...>

10 messages 2012/04/13

[#44402] [ruby-trunk - Feature #6308][Open] Eliminate delegation from WeakRef — "headius (Charles Nutter)" <headius@...>

20 messages 2012/04/17

[#44403] [ruby-trunk - Feature #6309][Open] Add a reference queue for weak references — "headius (Charles Nutter)" <headius@...>

15 messages 2012/04/17

[#44533] [ruby-trunk - Bug #6341][Open] SIGSEGV: Thread.new { fork { GC.start } }.join — "rudolf (r stu3)" <redmine@...>

24 messages 2012/04/22

[#44630] [ruby-trunk - Feature #6361][Open] Bitwise string operations — "MartinBosslet (Martin Bosslet)" <Martin.Bosslet@...>

31 messages 2012/04/26

[#44648] [ruby-trunk - Feature #6367][Open] #same? for Enumerable — "prijutme4ty (Ilya Vorontsov)" <prijutme4ty@...>

16 messages 2012/04/26

[#44704] [ruby-trunk - Feature #6373][Open] public #self — "trans (Thomas Sawyer)" <transfire@...>

61 messages 2012/04/27

[#44748] [ruby-trunk - Feature #6376][Open] Feature lookup and checking if feature is loaded — "trans (Thomas Sawyer)" <transfire@...>

13 messages 2012/04/28

[ruby-core:44597] Re: [ruby-trunk - Bug #6341] SIGSEGV: Thread.new { fork { GC.start } }.join

From: "NARUSE, Yui" <naruse@...>
Date: 2012-04-24 16:13:37 UTC
List: ruby-core #44597
(2012/04/24 19:44), KOSAKI Motohiro wrote:
>> kosaki (Motohiro KOSAKI) wrote:
>>> On Mon, Apr 23, 2012 at 11:17 PM, Yusuke Endoh <mame@tsg.ne.jp> wrote:
>>>  > I suggest to make Kernel#fork raise a NotImplementedError on NetBSD
>>>  > 5.0+.
>>>  > Fortunately, the tests already have a guard for NotImplementedError
>>>  > because there is a supported platform that does not support
>>>  > Kernel#fork (you know, windows).
>>>  > Even on the platform, SEGV is not allowed, in principle.
>>>
>>>  No. it works if user don't use threads. So, one option is, fork after
>>>  thread.new raise an exception on all platform.
>>
>> It is wrong.
>> Ruby 1.9 makes timer thread even if there is only the main thread.
> 
> You don't understand the issue. On other OSs, async-signal-unsafe function usage
> makes unlocked libc lock issue. therefore our current fork code works.
> It kill timer thread
> at once.

You don't know the original issue, what you are saying seems recent one.
see also http://bugs.ruby-lang.org/issues/show/270

-- 
NARUSE, Yui  <naruse@airemix.jp>

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