-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/04/2013 08:18 AM, Stephen Smalley wrote: > On 11/04/2013 08:09 AM, Stephen Smalley wrote: >> On 11/02/2013 07:13 PM, Laurent Bigonville wrote: >>> From: Laurent Bigonville <bigon@xxxxxxxx> >>> >>> libselinux is using pthread functions internally without explicitly >>> linking against it. >>> >>> If the executable is itself not linked against libpthread, this could >>> lead to some weird ld.so assertions, see: >>> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=728529 >> >> This seems to effectively revert a portion of: commit >> c32da69e016061c1a06ec08298aae8c995fbea31 Author: Dan Walsh >> <dwalsh@xxxxxxxxxx> Date: Wed Oct 9 16:27:43 2013 -0400 >> >> Fixes for procattr calls to handle cache properly. >> >> We were asked not to link to libpthread but to use gcc internals. We were >> not handling properly the fact that a cache was UNSET, and this patch >> fixes this. >> >> Can the two of you work out a proper fix that works for you both? > > Also, at least in the original of pthread_once, it was made a weak binding > on purpose to avoid requiring use of libpthread, switching the > implementation between a pthread-based one and a non-thread-safe > implementation depending on whether the caller links with libpthread. So > having libselinux link directly to libpthread seems to defeat the purpose > of that approach. > > > > -- This message was distributed to subscribers of the selinux mailing > list. If you no longer wish to subscribe, send mail to > majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes > as the message. > Yes we originally added the link for pthread_atfork, but have replaced that with a GCC Equivalebt __selinux_atfork. Laurent, does debian not work without -lpthread? Gcc guys did not want to require all apps that use libselinux to compile against lpthread. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEUEARECAAYFAlJ3qDUACgkQrlYvE4MpobNPtgCcDKOA5WLeF9oV0oAP7uun5Mpo rh8AmIn8pgwqO4bV0J7ooxXRllpBdaI= =3Ljj -----END PGP SIGNATURE----- -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.
