Date: Sun, 13 Feb 2005 23:30:21 -0500 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Maxime Henrion <mux@freebsd.org> Cc: cvs-all@freebsd.org Subject: Re: cvs commit: src/lib/libpthread/thread thr_attr_init.c thr_init.c thr_private.h thr_stack.c Message-ID: <1108355421.93267.23.camel@shumai.marcuscom.com> In-Reply-To: <20050214040349.GA61763@elvis.mu.org> References: <200502131838.j1DIc6tZ020690@repoman.freebsd.org> <1108337583.93267.1.camel@shumai.marcuscom.com> <20050214020531.GD40468@funkthat.com> <1108352249.93267.20.camel@shumai.marcuscom.com> <20050214040349.GA61763@elvis.mu.org>
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--=-bOiNnBI9rv2NeY5sjdsl Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2005-02-14 at 05:03 +0100, Maxime Henrion wrote: > Joe Marcus Clarke wrote: > > On Sun, 2005-02-13 at 18:05 -0800, John-Mark Gurney wrote: > > > Joe Marcus Clarke wrote this message on Sun, Feb 13, 2005 at 18:33 -0= 500: > > > > And there was much rejoicing! I would like to reiterate mezz's req= uest > > > > for a __FreeBSD_version bump once all the thread libraries are upda= ted. > > > > It would also be good to get this MFC'd before 5.4. Thanks again. > > >=20 > > > If any application that cares/requires changes from the default, eith= er > > > due to large number of threads (requiring small stack size), or large > > > stacks, should already be patched with their new defaults... So > > > requiring a modification based upon version before/after this change > > > should be unnecessary... > >=20 > > But knowing when this patch is implemented means we can _not_ patch > > certain applications. The best example of this is gstreamer. Gstreame= r > > is patched to lower its initial thread stack usage to 1 MB since that > > was the previous limit. This severely limits gstreamer. With the > > larger initial thread stack size (something that is not changeable by > > individual applications), we no longer need to cripple gstreamer on > > -CURRENT. Therefore, I ask __FreeBSD_version to be bumped so I know > > when it's safe to let gstreamer take a full 2 MB of stack on the initia= l > > thread. >=20 > Is there anything wrong with pthread_attr_setstacksize()? Using this to > patch the said applications would allow them to get an acceptably sized > stack whether the host is running an old or a recent version of > libpthread. It would also make sense to then submit the patches to the > vendor so that it's not too much a burden to maintain. This works for all threads but the initial thread. Gstreamer uses this thread for most of its operations. That stack size was set to be 1 MB when gstreamer really wanted 2. For all other thread problems, yes, I used pthread_attr_setstacksize() as the solution. Joe >=20 > Cheers, > Maxime >=20 --=20 PGP Key : http://www.marcuscom.com/pgp.asc --=-bOiNnBI9rv2NeY5sjdsl Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQBCEClcb2iPiv4Uz4cRArH5AKCPWqJRNifFa8g9RsdCqJBCnfN99gCghyHD 0oO5PjXe2Fs8xyscMyfiTNs= =2Hh3 -----END PGP SIGNATURE----- --=-bOiNnBI9rv2NeY5sjdsl--
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