From owner-freebsd-threads@FreeBSD.ORG Mon Jan 31 11:07:11 2011 Return-Path: Delivered-To: freebsd-threads@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AC0A710656AE for ; Mon, 31 Jan 2011 11:07:11 +0000 (UTC) (envelope-from owner-bugmaster@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 809738FC15 for ; Mon, 31 Jan 2011 11:07:11 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p0VB7BA4091917 for ; Mon, 31 Jan 2011 11:07:11 GMT (envelope-from owner-bugmaster@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p0VB7AO4091915 for freebsd-threads@FreeBSD.org; Mon, 31 Jan 2011 11:07:10 GMT (envelope-from owner-bugmaster@FreeBSD.org) Date: Mon, 31 Jan 2011 11:07:10 GMT Message-Id: <201101311107.p0VB7AO4091915@freefall.freebsd.org> X-Authentication-Warning: freefall.freebsd.org: gnats set sender to owner-bugmaster@FreeBSD.org using -f From: FreeBSD bugmaster To: freebsd-threads@FreeBSD.org Cc: Subject: Current problem reports assigned to freebsd-threads@FreeBSD.org X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Jan 2011 11:07:11 -0000 Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker Resp. Description -------------------------------------------------------------------------------- o threa/150959 threads [libc] Stub pthread_once in libc should call _libc_onc o threa/149366 threads pthread_cleanup_pop never runs the configured routine o threa/148515 threads Memory / syslog strangeness in FreeBSD 8.x ( possible o threa/141721 threads rtprio(1): (id|rt)prio priority resets when new thread o threa/136345 threads Recursive read rwlocks in thread A cause deadlock with o threa/135673 threads databases/mysql50-server - MySQL query lock-ups on 7.2 o threa/133734 threads 32 bit libthr failing pthread_create() o threa/128922 threads threads hang with xorg running o threa/127225 threads bug in lib/libthr/thread/thr_init.c o threa/122923 threads 'nice' does not prevent background process from steali o threa/121336 threads lang/neko threading ok on UP, broken on SMP (FreeBSD 7 o threa/116668 threads can no longer use jdk15 with libthr on -stable SMP o threa/116181 threads /dev/io-related io access permissions are not propagat o threa/115211 threads pthread_atfork misbehaves in initial thread o threa/110636 threads [request] gdb(1): using gdb with multi thread applicat o threa/110306 threads apache 2.0 segmentation violation when calling gethost o threa/103975 threads Implicit loading/unloading of libpthread.so may crash o threa/101323 threads [patch] fork(2) in threaded programs broken. f threa/100815 threads FBSD 5.5 broke nanosleep in libc_r s threa/84483 threads problems with devel/nspr and -lc_r on 4.x o threa/80992 threads abort() sometimes not caught by gdb depending on threa o threa/79683 threads svctcp_create() fails if multiple threads call at the s threa/76694 threads fork cause hang in dup()/close() function in child (-l s threa/76690 threads fork hang in child for -lc_r s threa/69020 threads pthreads library leaks _gc_mutex s threa/48856 threads Setting SIGCHLD to SIG_IGN still leaves zombies under s threa/40671 threads pthread_cancel doesn't remove thread from condition qu s threa/34536 threads accept() blocks other threads s threa/30464 threads pthread mutex attributes -- pshared 29 problems total. From owner-freebsd-threads@FreeBSD.ORG Fri Feb 4 19:09:23 2011 Return-Path: Delivered-To: freebsd-threads@FreeBSD.org Received: from [127.0.0.1] (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by hub.freebsd.org (Postfix) with ESMTP id C68411065672; Fri, 4 Feb 2011 19:09:21 +0000 (UTC) (envelope-from jkim@FreeBSD.org) From: Jung-uk Kim To: freebsd-threads@FreeBSD.org Date: Fri, 4 Feb 2011 14:09:10 -0500 User-Agent: KMail/1.6.2 MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201102041409.12314.jkim@FreeBSD.org> Cc: davidxu@FreeBSD.org Subject: [RFC] Implement pthread_getthreadid_np(3) and pthread_getunique_np(3) X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Feb 2011 19:09:24 -0000 Our pthread_t is not an integral type and it causes a lot of trouble porting some software, which relies on Linux's gettid() or similar syscalls: http://www.kernel.org/doc/man-pages/online/pages/man2/gettid.2.html For example: http://docs.freebsd.org/cgi/mid.cgi?201102032111.13479.jkim To solve this problem, I implemented two functions: http://people.freebsd.org/~jkim/thr_tid.diff Basically, they are AIX's pthread_getthreadid_np(3) and pthread_getunique_np(3) look-alikes: http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/users_22.htm http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/users_23.htm Please let me know what you think. Thanks! Jung-uk Kim From owner-freebsd-threads@FreeBSD.ORG Fri Feb 4 20:26:15 2011 Return-Path: Delivered-To: freebsd-threads@FreeBSD.org Received: from [127.0.0.1] (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by hub.freebsd.org (Postfix) with ESMTP id 2B710106566B; Fri, 4 Feb 2011 20:26:15 +0000 (UTC) (envelope-from jkim@FreeBSD.org) From: Jung-uk Kim To: freebsd-threads@FreeBSD.org Date: Fri, 4 Feb 2011 15:25:56 -0500 User-Agent: KMail/1.6.2 References: <201102041409.12314.jkim@FreeBSD.org> In-Reply-To: <201102041409.12314.jkim@FreeBSD.org> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201102041525.59821.jkim@FreeBSD.org> Cc: davidxu@FreeBSD.org Subject: Re: [RFC] Implement pthread_getthreadid_np(3) and pthread_getunique_np(3) X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Feb 2011 20:26:15 -0000 On Friday 04 February 2011 02:09 pm, Jung-uk Kim wrote: > Our pthread_t is not an integral type and it causes a lot of > trouble porting some software, which relies on Linux's gettid() or > similar syscalls: > > http://www.kernel.org/doc/man-pages/online/pages/man2/gettid.2.html > > For example: > > http://docs.freebsd.org/cgi/mid.cgi?201102032111.13479.jkim > > To solve this problem, I implemented two functions: > > http://people.freebsd.org/~jkim/thr_tid.diff BTW, you can easily emulate semantic of Linux's gettid() with it: #include #include #include pid_t gettid(void) { if (pthread_main_np() == 0) return (pthread_getthreadid_np()); return (getpid()); } Jung-uk Kim From owner-freebsd-threads@FreeBSD.ORG Fri Feb 4 21:33:08 2011 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 14BD1106566B; Fri, 4 Feb 2011 21:33:08 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 66E218FC13; Fri, 4 Feb 2011 21:33:06 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id p14LX2xH036457 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 4 Feb 2011 23:33:03 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id p14LX20r072408; Fri, 4 Feb 2011 23:33:02 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id p14LX2MV072407; Fri, 4 Feb 2011 23:33:02 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Fri, 4 Feb 2011 23:33:02 +0200 From: Kostik Belousov To: Jung-uk Kim Message-ID: <20110204213302.GS78089@deviant.kiev.zoral.com.ua> References: <201102041409.12314.jkim@FreeBSD.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="brdEIFGMNIjz5YJG" Content-Disposition: inline In-Reply-To: <201102041409.12314.jkim@FreeBSD.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-3.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: davidxu@freebsd.org, freebsd-threads@freebsd.org Subject: Re: [RFC] Implement pthread_getthreadid_np(3) and pthread_getunique_np(3) X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Feb 2011 21:33:08 -0000 --brdEIFGMNIjz5YJG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 04, 2011 at 02:09:10PM -0500, Jung-uk Kim wrote: > Our pthread_t is not an integral type and it causes a lot of trouble=20 > porting some software, which relies on Linux's gettid() or similar=20 > syscalls: >=20 > http://www.kernel.org/doc/man-pages/online/pages/man2/gettid.2.html >=20 > For example: >=20 > http://docs.freebsd.org/cgi/mid.cgi?201102032111.13479.jkim >=20 > To solve this problem, I implemented two functions: >=20 > http://people.freebsd.org/~jkim/thr_tid.diff >=20 > Basically, they are AIX's pthread_getthreadid_np(3) and=20 > pthread_getunique_np(3) look-alikes: >=20 > http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/users_22= .htm > http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/users_23= .htm >=20 > Please let me know what you think. Why do you need new functions available in stubs ? Also, would it be better to return proper id even if threading is not initialized, instead of EINVAL ? --brdEIFGMNIjz5YJG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk1McI4ACgkQC3+MBN1Mb4gO5gCdHny6GVtd5btveH/0P70I6Hsy WrEAmwZO0Aw0vlR6udP5b+UeHsU43mag =JX5x -----END PGP SIGNATURE----- --brdEIFGMNIjz5YJG-- From owner-freebsd-threads@FreeBSD.ORG Sat Feb 5 07:24:56 2011 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from [127.0.0.1] (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by hub.freebsd.org (Postfix) with ESMTP id C4FED106566B; Sat, 5 Feb 2011 07:24:55 +0000 (UTC) (envelope-from jkim@FreeBSD.org) From: Jung-uk Kim To: freebsd-threads@freebsd.org Date: Sat, 5 Feb 2011 02:24:09 -0500 User-Agent: KMail/1.6.2 References: <201102041409.12314.jkim@FreeBSD.org> <20110204213302.GS78089@deviant.kiev.zoral.com.ua> In-Reply-To: <20110204213302.GS78089@deviant.kiev.zoral.com.ua> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201102050224.23377.jkim@FreeBSD.org> Cc: davidxu@freebsd.org Subject: Re: [RFC] Implement pthread_getthreadid_np(3) and pthread_getunique_np(3) X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Feb 2011 07:24:56 -0000 On Friday 04 February 2011 04:33 pm, Kostik Belousov wrote: > On Fri, Feb 04, 2011 at 02:09:10PM -0500, Jung-uk Kim wrote: > > Our pthread_t is not an integral type and it causes a lot of > > trouble porting some software, which relies on Linux's gettid() > > or similar syscalls: > > > > http://www.kernel.org/doc/man-pages/online/pages/man2/gettid.2.ht > >ml > > > > For example: > > > > http://docs.freebsd.org/cgi/mid.cgi?201102032111.13479.jkim > > > > To solve this problem, I implemented two functions: > > > > http://people.freebsd.org/~jkim/thr_tid.diff > > > > Basically, they are AIX's pthread_getthreadid_np(3) and > > pthread_getunique_np(3) look-alikes: > > > > http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/ > >users_22.htm > > http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/ > >users_23.htm > > > > Please let me know what you think. > > Why do you need new functions available in stubs ? Oops, my bad. Fixed: http://people.freebsd.org/~jkim/thr_tid2.diff > Also, would it be better to return proper id even if threading is > not initialized, instead of EINVAL ? Because I want it to be fast and cause no side-effect, no. Jung-uk Kim From owner-freebsd-threads@FreeBSD.ORG Sat Feb 5 09:58:16 2011 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1AAAC1065670; Sat, 5 Feb 2011 09:58:16 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 8511A8FC13; Sat, 5 Feb 2011 09:58:14 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id p159wATN003430 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 5 Feb 2011 11:58:10 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id p159wAKE086165; Sat, 5 Feb 2011 11:58:10 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id p159wAEr086164; Sat, 5 Feb 2011 11:58:10 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 5 Feb 2011 11:58:10 +0200 From: Kostik Belousov To: Jung-uk Kim Message-ID: <20110205095810.GW78089@deviant.kiev.zoral.com.ua> References: <201102041409.12314.jkim@FreeBSD.org> <20110204213302.GS78089@deviant.kiev.zoral.com.ua> <201102050224.23377.jkim@FreeBSD.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="YwTTlJgQ7QoYB9ta" Content-Disposition: inline In-Reply-To: <201102050224.23377.jkim@FreeBSD.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-3.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: davidxu@freebsd.org, freebsd-threads@freebsd.org Subject: Re: [RFC] Implement pthread_getthreadid_np(3) and pthread_getunique_np(3) X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Feb 2011 09:58:16 -0000 --YwTTlJgQ7QoYB9ta Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Feb 05, 2011 at 02:24:09AM -0500, Jung-uk Kim wrote: > On Friday 04 February 2011 04:33 pm, Kostik Belousov wrote: > > On Fri, Feb 04, 2011 at 02:09:10PM -0500, Jung-uk Kim wrote: > > > Our pthread_t is not an integral type and it causes a lot of > > > trouble porting some software, which relies on Linux's gettid() > > > or similar syscalls: > > > > > > http://www.kernel.org/doc/man-pages/online/pages/man2/gettid.2.ht > > >ml > > > > > > For example: > > > > > > http://docs.freebsd.org/cgi/mid.cgi?201102032111.13479.jkim > > > > > > To solve this problem, I implemented two functions: > > > > > > http://people.freebsd.org/~jkim/thr_tid.diff > > > > > > Basically, they are AIX's pthread_getthreadid_np(3) and > > > pthread_getunique_np(3) look-alikes: > > > > > > http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/ > > >users_22.htm > > > http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/apis/ > > >users_23.htm > > > > > > Please let me know what you think. > > > > Why do you need new functions available in stubs ? >=20 > Oops, my bad. Fixed: >=20 > http://people.freebsd.org/~jkim/thr_tid2.diff >=20 > > Also, would it be better to return proper id even if threading is > > not initialized, instead of EINVAL ? >=20 > Because I want it to be fast and cause no side-effect, no. You can allocate static lwpid_t self_tid variable, and in case threading is not initialized yet, and self_tid =3D=3D 0, do self_tid =3D thr_self(). Otherwise, if threading is initialized and self_tid !=3D 0, return self_tid. BTW, what should be the behaviour of new functions after fork() ? Is it undefined ? --YwTTlJgQ7QoYB9ta Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk1NHzIACgkQC3+MBN1Mb4hANQCggxqO4lEtAOGtp8bWXMVjsVHH 5r8AoIF4wUEn/eW9sLCo+PSne4q59WLO =KsB9 -----END PGP SIGNATURE----- --YwTTlJgQ7QoYB9ta--