Date: Thu, 8 May 2003 22:38:37 +0800 From: "David Xu" <davidxu@freebsd.org> To: "Alexander Kabaev" <ak03@gte.com> Cc: freebsd-threads@freebsd.org Subject: Re: libpthread_init Message-ID: <002b01c3156f$86209020$0701a8c0@tiger> References: <Pine.GSO.4.10.10305072058110.2395-100000@pcnet1.pcnet.com><005d01c314ff$32b737b0$f001a8c0@davidw2k> <20030508095644.06571486.ak03@gte.com>
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----- Original Message -----=20 From: "Alexander Kabaev" <ak03@gte.com> To: "David Xu" <davidxu@freebsd.org> Cc: "Daniel Eischen" <eischen@pcnet1.pcnet.com>; = <freebsd-threads@freebsd.org> Sent: Thursday, May 08, 2003 9:56 PM Subject: Re: libpthread_init > On Thu, 8 May 2003 09:14:37 +0800 > "David Xu" <davidxu@freebsd.org> wrote: >=20 > >=20 > > ----- Original Message -----=20 > > From: "Daniel Eischen" <eischen@pcnet1.pcnet.com> > > To: "David Xu" <davidxu@viatech.com.cn> > > Cc: <freebsd-threads@freebsd.org> > > Sent: Thursday, May 08, 2003 9:05 AM > > Subject: Re: libpthread_init > >=20 > > > I know. I brought this up years ago, but didn't really > > > know how to fix it. > > >=20 > > > > It is error-prone mode, while mono-thread has a perfect > > > > initializing step, why should threaded app have a bad = initializing > > > > step, and we must put : "if (!__isthreaded) then do something" > > > > everywhere in thread library, > > >=20 > > > I know, I know :-) You're preaching to the choir! (I agree) > > >=20 > > > > I have already found that a simple "write(1, "hello", 5)" would > > > > cause SEGSIGV when it is linked with static pthread library. > > > > FreeBSD now has two mode apps, mono-threaded and mutli-threaded, = > > > > I think both should have a good initializing code, both are > > > > important, libc should be refined to reflect the fact. > > >=20 > > > Yes. Have you tried it to see if it works? The other thread > > > libraries would also need to be updated. We should use a common > > > symbol like __thread_init() or __libc_thread_init() so they can > > > all override the same symbol. > > >=20 > >=20 > > This is what I want to see, neat code. :-) > > I will try to see if I can work out a patch. >=20 > So what is wrong with __attribute__((constructor)) again? >=20 It does not work for archive version of thread library. > --=20 > Alexander Kabaev > _______________________________________________ > freebsd-threads@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-threads > To unsubscribe, send any mail to = "freebsd-threads-unsubscribe@freebsd.org" >=20
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