From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rock.gnat.com (rock.gnat.com [205.232.38.15]) by sourceware.org (Postfix) with ESMTPS id AB37F3856099; Thu, 23 Jun 2022 11:36:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AB37F3856099 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id 6915E1161C1; Thu, 23 Jun 2022 07:36:29 -0400 (EDT) X-Virus-Scanned: Debian amavisd-new at gnat.com Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id wLblq-ZE9FW6; Thu, 23 Jun 2022 07:36:29 -0400 (EDT) Received: from free.home (tron.gnat.com [IPv6:2620:20:4000:0:46a8:42ff:fe0e:e294]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by rock.gnat.com (Postfix) with ESMTPS id 3209A1161BF; Thu, 23 Jun 2022 07:36:29 -0400 (EDT) Received: from livre (livre.home [172.31.160.2]) by free.home (8.15.2/8.15.2) with ESMTPS id 25NBaLjd763424 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Jun 2022 08:36:21 -0300 From: Alexandre Oliva To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org Subject: Re: [PATCH] libstdc++: async: tolerate slightly shorter sleep Organization: Free thinker, does not speak for AdaCore References: Errors-To: aoliva@lxoliva.fsfla.org Date: Thu, 23 Jun 2022 08:36:21 -0300 In-Reply-To: (Alexandre Oliva's message of "Wed, 22 Jun 2022 03:03:15 -0300") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.84 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_SHORT, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libstdc++@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++ mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jun 2022 11:36:30 -0000 On Jun 22, 2022, Alexandre Oliva wrote: > Regstrapped on x86_64-linux-gnu, also tested with a cross to > aarch64-rtems6. Ok to install? The early wakeups are fixed for rtems6.1, so the same question raised at https://gcc.gnu.org/pipermail/gcc-patches/2022-June/597102.html apply to this one: libstdc++: xfail nanosleep tests on rtems From: Alexandre Oliva Since it has been determined that nanosleep may return slightly too early on RTEMS, due to clock resolution differences, expect 30_thread/async tests that have detected too-early wakeups to fail on RTEMS targets. for libstdc++-v3/ChangeLog * testsuite/30_threads/async/async.cc: xfail on RTEMS. TN: V608-048 --- libstdc++-v3/testsuite/30_threads/async/async.cc | 1 + 1 file changed, 1 insertion(+) diff --git a/libstdc++-v3/testsuite/30_threads/async/async.cc b/libstdc++-v3/testsuite/30_threads/async/async.cc index 38943ff1a9a5e..e0b731186c459 100644 --- a/libstdc++-v3/testsuite/30_threads/async/async.cc +++ b/libstdc++-v3/testsuite/30_threads/async/async.cc @@ -2,6 +2,7 @@ // { dg-additional-options "-pthread" { target pthread } } // { dg-require-effective-target c++11 } // { dg-require-gthreads "" } +// { dg-xfail-if "nanosleep may wake up too early" { *-*-rtems* } } // Copyright (C) 2010-2022 Free Software Foundation, Inc. // -- Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/ Free Software Activist GNU Toolchain Engineer Disinformation flourishes because many people care deeply about injustice but very few check the facts. Ask me about