From owner-freebsd-java@FreeBSD.ORG  Wed Oct 29 15:19:33 2003
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Date: Thu, 30 Oct 2003 01:28:30 +0200
From: Alexey Zelkin <phantom@FreeBSD.org.ua>
To: Dan Nelson <dnelson@allantgroup.com>
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References: <20031029103341.A32272@phantom.cris.net>
	<20031029193106.GA95197@dan.emsphone.com>
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	from dnelson@allantgroup.com on Wed, Oct 29, 2003 at 01:31:06PM -0600
X-Operating-System: FreeBSD 4.7-STABLE i386
cc: java@freebsd.org
Subject: Re: [phantom@FreeBSD.org: cvs commit: ports/java/jdk14 Makefile
	pkg-plist ports/java/jdk14/files patch-UNIXProcess_md.c.bsd]
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hi,

On Wed, Oct 29, 2003 at 01:31:06PM -0600, Dan Nelson wrote:
> In the last episode (Oct 29), Alexey Zelkin said:
> > phantom     2003/10/29 00:20:59 PST
> > 
> >   FreeBSD ports repository
> > 
> >   Modified files:
> >     java/jdk14           Makefile pkg-plist 
> >   Added files:
> >     java/jdk14/files     patch-UNIXProcess_md.c.bsd 
> >   Log:
> >   . Add fix for "runaway process" problem.  It should fix of stalled
> >     processes problem for people who use Runtime.getRuntime.exec() method
> >     and related things.  Least five people reported that this patch fixed
> >     problem for them.
> >   
> >     IMPORTANT: I'd also suggested to all jdk14 users who runs FreeBSD 4.x
> >     and use libc_r at FreeBSD 5.x to upgrade.
> 
> jhb just committed a patch to -current that fixes a bug where a SIGPROF
> timer (i.e. libc_r's thread scheduling signal) would continue to fire
> in the client process after a fork.  You might want to check and see if
> you can reproduce your bug with a new -current.  Your patch will still
> be needed for 4.9, of course.

I am aware of this patch.  But it can affect "critical section"
requirement only, i.e. with this patch I don't need to suspend/resume
threads while calling to __SYS_fork().  But I'll not do even it because
we can't expect everyone who want to run jdk will upgrade to most
recent -CURRENT.