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Date:      Fri, 24 Jan 2003 06:29:40 +0600
From:      Max Khon <fjoe@iclub.nsu.ru>
To:        Bill Huey <billh@gnuppy.monkey.org>
Cc:        Greg Lewis <glewis@eyesbeyond.com>, freebsd-java@freebsd.org
Subject:   Re: /usr/local/include/utils.h
Message-ID:  <20030124062940.A44070@iclub.nsu.ru>
In-Reply-To: <20030123214624.GA2919@gnuppy.monkey.org>; from billh@gnuppy.monkey.org on Thu, Jan 23, 2003 at 01:46:24PM -0800
References:  <20030123194719.B25462@iclub.nsu.ru> <20030124044501.B76567@misty.eyesbeyond.com> <20030124033021.A38610@iclub.nsu.ru> <20030123214624.GA2919@gnuppy.monkey.org>

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hi, there!

On Thu, Jan 23, 2003 at 01:46:24PM -0800, Bill Huey wrote:

> > I have another (not thoroughly tested) patch to make
> > -DWITH_NATIVE_THREADS compile on post-4.7 system
> > 
> > A replacement for j2sdk1.3.1/src/solaris/hpi/native_threads/src/threads_bsd.c
> > attached. It will not compile on 4.7-RELEASE and earlier, probably
> > some #ifdef munging should be added but I haven't bumped __FreeBSD_version
> > after pthreads API modifications. Probably 470101 could be used
> > to filter out most pre-4.7 installations and it will safely work
> > for 4.8-RELEASE and later (including 5.0-RELEASE and later).
> 
> Native threads don't fully work anyway and it was largely a stepping
> stone for HotSpot, so the key component for native threading is to
> get HotSpot fully compiling with the latest changes. I have a libc_r
> jmp_buf thingy in the works that suppose to fix the problems with 1.4
> J2SE along with 1.3.1, but I haven't finished it yet. I slacked off
> waiting for the new ucontext stuff to be committed for libc_r.

This file (the file I attached) contains jmp_buf stuff +
use of pthread_get_attr_np to get thread stack address and its size
in portable (between libc_r versions) way.
I think it could be useful for 1.3.1 HotSpot too.

> > I haven't looked at PR posted today that fixes something related
> > to native threads (by the way is it really necessary to use
> > native threads for hotspot?) -- it's hard to read .uue
> 
> Yes, HotSpot is pure native threading.

I mean: is jdk13 built with -DWITH_NATIVE_THREADS required for HotSpot?
I saw this requirement on some Japanese sites.

/fjoe


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