Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.2/patches/2226320/?format=api
{ "id": 2226320, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2226320/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.6@forge-stage.sourceware.org/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.2/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.6@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T10:44:21", "name": "[v1,06/16] libstdc++: Fix time_point conversion in atomic timed waits", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "da74750036b2eda7afc270eab02854f3b6725d48", "submitter": { "id": 93210, "url": "http://patchwork.ozlabs.org/api/1.2/people/93210/?format=api", "name": "Jonathan Wakely via Sourceware Forge", "email": "forge-bot+redi@forge-stage.sourceware.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.6@forge-stage.sourceware.org/mbox/", "series": [ { "id": 500987, "url": "http://patchwork.ozlabs.org/api/1.2/series/500987/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=500987", "date": "2026-04-22T10:44:17", "name": "atomic wait/notify ABI stabilization", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500987/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226320/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226320/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)", "sourceware.org; dmarc=none (p=none dis=none)\n header.from=forge-stage.sourceware.org", "sourceware.org;\n spf=pass smtp.mailfrom=forge-stage.sourceware.org", "server2.sourceware.org;\n arc=none smtp.remote-ip=38.145.34.39" ], "Received": [ "from vm01.sourceware.org (vm01.sourceware.org\n [IPv6:2620:52:6:3111::32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0xlB1T7Xz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 21:27:02 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 878B642DAB19\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 11:26:46 +0000 (GMT)", "from forge-stage.sourceware.org (vm08.sourceware.org [38.145.34.39])\n by sourceware.org (Postfix) with ESMTPS id 6A52D409EB5F\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:46:05 +0000 (GMT)", "from forge-stage.sourceware.org (localhost [IPv6:::1])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256)\n (No client certificate requested)\n by forge-stage.sourceware.org (Postfix) with ESMTPS id C8F9242BB4\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:46:01 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 878B642DAB19", "OpenDKIM Filter v2.11.0 sourceware.org 6A52D409EB5F" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 6A52D409EB5F", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 6A52D409EB5F", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776854765; cv=none;\n b=S6UI3K42x7pFhl/QIKNM8TrpYG4LbSnP5rqNDvDAtG4LWYYhhBSwNwnrhmvWegX/2XpQcligoIfmNt4+etVu94aBCvRK+q9mJbDdmSHTaYWrqOaHq9rEbMW6Pwg9SBXQaZT3Y9uzWp8QBbRimW+nwF3zh3PBANAzVhIpJUxWtp0=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776854765; c=relaxed/simple;\n bh=En5PMQRgAOiNoXCORSgQIkebXCztFxIDWJrvUY6knhw=;\n h=From:Date:Subject:To:Message-ID;\n b=NsKASm4fcV+rESzBDNmgl+LjNB8hFOPxWxzaCUxnz65FnYLgmuCoYm3x2pbpiwv9vaBn2UkzuEK+GvO/Zn2cY2TN9Jh5sposnDqCu5B22AE4pqTbeyPwez+Wmt3NxE1BDpi5aFyFkKO7KPOW6gtb1Po7yeZOxDzY79zp3ipWuTc=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "From": "Jonathan Wakely via Sourceware Forge\n <forge-bot+redi@forge-stage.sourceware.org>", "Date": "Wed, 22 Apr 2026 10:44:21 +0000", "Subject": "[PATCH v1 06/16] libstdc++: Fix time_point conversion in atomic timed\n waits", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.6@forge-stage.sourceware.org>", "X-Mailer": "batrachomyomachia", "X-Pull-Request-Organization": "gcc", "X-Pull-Request-Repository": "gcc-TEST", "X-Pull-Request": "https://forge.sourceware.org/gcc/gcc-TEST/pulls/31", "References": "\n <bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.0@forge-stage.sourceware.org>", "In-Reply-To": "\n <bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.0@forge-stage.sourceware.org>", "X-Patch-URL": "\n https://forge.sourceware.org/redi/gcc/commit/5251e4738b31afe644796a80a9507dd2cb1ec908", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Reply-To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>, redi@gcc.gnu.org", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "From: Jonathan Wakely <jwakely@redhat.com>\n\nEven if a time_point already uses the right clock, we might still need\nto convert it to use the expected duration. Calling __to_wait_clock will\nperform that conversion, so use that even when the clock is correct.\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/bits/atomic_timed_wait.h (__to_wait_clock): Do not use\n\tchrono::ceil if clock and duration are already correct type.\n\t(__wait_until): Always call __to_wait_clock.\n---\n libstdc++-v3/include/bits/atomic_timed_wait.h | 34 +++++++++----------\n 1 file changed, 17 insertions(+), 17 deletions(-)", "diff": "diff --git a/libstdc++-v3/include/bits/atomic_timed_wait.h b/libstdc++-v3/include/bits/atomic_timed_wait.h\nindex 9fc28f3d2696..a916c10879b7 100644\n--- a/libstdc++-v3/include/bits/atomic_timed_wait.h\n+++ b/libstdc++-v3/include/bits/atomic_timed_wait.h\n@@ -70,7 +70,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n \t\t\t\t\t _Dur>& __atime) noexcept\n {\n \tusing __w_dur = typename __wait_clock_t::duration;\n-\treturn chrono::ceil<__w_dur>(__atime);\n+\tif constexpr (is_same_v<__w_dur, _Dur>)\n+\t return __atime;\n+\telse\n+\t return chrono::ceil<__w_dur>(__atime);\n }\n \n #ifdef _GLIBCXX_HAVE_LINUX_FUTEX\n@@ -222,22 +225,19 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n __wait_until(const __platform_wait_t* __addr, const __wait_args_base& __args,\n \t\t const chrono::time_point<_Clock, _Dur>& __atime) noexcept\n {\n-\tif constexpr (is_same_v<__wait_clock_t, _Clock>)\n-\t return __detail::__wait_until_impl(__addr, __args, __atime);\n-\telse\n-\t {\n-\t auto __res = __detail::__wait_until_impl(__addr, __args,\n-\t\t\t\t\t\t __to_wait_clock(__atime));\n-\t if (!__res.first)\n-\t {\n-\t\t// We got a timeout when measured against __clock_t but\n-\t\t// we need to check against the caller-supplied clock\n-\t\t// to tell whether we should return a timeout.\n-\t\tif (_Clock::now() < __atime)\n-\t\t __res.first = true;\n-\t }\n-\t return __res;\n-\t }\n+\tauto __at = __detail::__to_wait_clock(__atime);\n+\tauto __res = __detail::__wait_until_impl(__addr, __args, __at);\n+\n+\tif constexpr (!is_same_v<__wait_clock_t, _Clock>)\n+\t if (!__res.first)\n+\t {\n+\t // We got a timeout when measured against __clock_t but\n+\t // we need to check against the caller-supplied clock\n+\t // to tell whether we should return a timeout.\n+\t if (_Clock::now() < __atime)\n+\t\t__res.first = true;\n+\t }\n+\treturn __res;\n }\n \n // Returns {true, val} if wait ended before a timeout.\n", "prefixes": [ "v1", "06/16" ] }