{"id":2230093,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230093/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20260429074945.65588-1-tkaminsk@redhat.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.1/projects/17/?format=json","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},"msgid":"<20260429074945.65588-1-tkaminsk@redhat.com>","date":"2026-04-29T07:48:56","name":"libstdc++: Test ATOMIC_*_LOCK_FREE macros for <stdatomic.h>","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"8cadd7cee2ac93c4b5ddba685646dee486ff1398","submitter":{"id":90409,"url":"http://patchwork.ozlabs.org/api/1.1/people/90409/?format=json","name":"Tomasz Kamiński","email":"tkaminsk@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20260429074945.65588-1-tkaminsk@redhat.com/mbox/","series":[{"id":502011,"url":"http://patchwork.ozlabs.org/api/1.1/series/502011/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=502011","date":"2026-04-29T07:48:56","name":"libstdc++: Test ATOMIC_*_LOCK_FREE macros for <stdatomic.h>","version":1,"mbox":"http://patchwork.ozlabs.org/series/502011/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230093/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230093/checks/","tags":{},"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\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=DnB8u7P/;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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charset=\"US-ASCII\"; x-default=true","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>","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"Coverage for LWG 4480, \"<stdatomic.h> should provide ATOMIC_CHAR8_T_LOCK_FREE\".\n\nlibstdc++-v3/ChangeLog:\n\n\t* testsuite/29_atomics/headers/stdatomic.h/macros.cc:\n\tCopy of ../atomic/macros.cc with header include changed.\n---\nKeeping the FSF copyright header, as it is plain copy with minimal\nmodificaiton.\n\nTested on x86_64-linux. OK for trunk?\n\n .../29_atomics/headers/stdatomic.h/macros.cc  | 96 +++++++++++++++++++\n 1 file changed, 96 insertions(+)\n create mode 100644 libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc","diff":"diff --git a/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc b/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc\nnew file mode 100644\nindex 00000000000..e76b611e676\n--- /dev/null\n+++ b/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc\n@@ -0,0 +1,96 @@\n+// { dg-do preprocess { target c++23 } }\n+\n+// Copyright (C) 2026 Free Software Foundation, Inc.\n+//\n+// This file is part of the GNU ISO C++ Library.  This library is free\n+// software; you can redistribute it and/or modify it under the\n+// terms of the GNU General Public License as published by the\n+// Free Software Foundation; either version 3, or (at your option)\n+// any later version.\n+\n+// This library is distributed in the hope that it will be useful,\n+// but WITHOUT ANY WARRANTY; without even the implied warranty of\n+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n+// GNU General Public License for more details.\n+\n+// You should have received a copy of the GNU General Public License along\n+// with this library; see the file COPYING3.  If not see\n+// <http://www.gnu.org/licenses/>.\n+\n+#include <stdatomic.h>\n+\n+#ifndef ATOMIC_BOOL_LOCK_FREE \n+# error \"ATOMIC_BOOL_LOCK_FREE must be a macro\"\n+#elif ATOMIC_BOOL_LOCK_FREE != 1 && ATOMIC_BOOL_LOCK_FREE != 2\n+# error \"ATOMIC_BOOL_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_CHAR_LOCK_FREE \n+# error \"ATOMIC_CHAR_LOCK_FREE must be a macro\"\n+#elif ATOMIC_CHAR_LOCK_FREE != 1 && ATOMIC_CHAR_LOCK_FREE != 2\n+# error \"ATOMIC_CHAR_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifdef _GLIBCXX_USE_CHAR8_T\n+# ifndef ATOMIC_CHAR8_T_LOCK_FREE\n+#  error \"ATOMIC_CHAR8_T_LOCK_FREE must be a macro\"\n+# elif ATOMIC_CHAR8_T_LOCK_FREE != 1 && ATOMIC_CHAR8_T_LOCK_FREE != 2\n+#  error \"ATOMIC_CHAR8_T_LOCK_FREE must be 1 or 2\"\n+# endif\n+#endif\n+\n+#ifndef ATOMIC_CHAR16_T_LOCK_FREE \n+# error \"ATOMIC_CHAR16_T_LOCK_FREE must be a macro\"\n+#elif ATOMIC_CHAR16_T_LOCK_FREE != 1 && ATOMIC_CHAR16_T_LOCK_FREE != 2\n+# error \"ATOMIC_CHAR16_T_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_CHAR32_T_LOCK_FREE \n+# error \"ATOMIC_CHAR32_T_LOCK_FREE must be a macro\"\n+#elif ATOMIC_CHAR32_T_LOCK_FREE != 1 && ATOMIC_CHAR32_T_LOCK_FREE != 2\n+# error \"ATOMIC_CHAR32_T_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_WCHAR_T_LOCK_FREE \n+# error \"ATOMIC_WCHAR_T_LOCK_FREE must be a macro\"\n+#elif ATOMIC_WCHAR_T_LOCK_FREE != 1 && ATOMIC_WCHAR_T_LOCK_FREE != 2\n+# error \"ATOMIC_WCHAR_T_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_SHORT_LOCK_FREE \n+# error \"ATOMIC_SHORT_LOCK_FREE must be a macro\"\n+#elif ATOMIC_SHORT_LOCK_FREE != 1 && ATOMIC_SHORT_LOCK_FREE != 2\n+# error \"ATOMIC_SHORT_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_INT_LOCK_FREE \n+# error \"ATOMIC_INT_LOCK_FREE must be a macro\"\n+#elif ATOMIC_INT_LOCK_FREE != 1 && ATOMIC_INT_LOCK_FREE != 2\n+# error \"ATOMIC_INT_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_LONG_LOCK_FREE \n+# error \"ATOMIC_LONG_LOCK_FREE must be a macro\"\n+#elif ATOMIC_LONG_LOCK_FREE != 1 && ATOMIC_LONG_LOCK_FREE != 2\n+# error \"ATOMIC_LONG_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_LLONG_LOCK_FREE \n+# error \"ATOMIC_LLONG_LOCK_FREE must be a macro\"\n+#elif ATOMIC_LLONG_LOCK_FREE != 1 && ATOMIC_LLONG_LOCK_FREE != 2\n+# error \"ATOMIC_LLONG_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_POINTER_LOCK_FREE \n+# error \"ATOMIC_POINTER_LOCK_FREE must be a macro\"\n+#elif ATOMIC_POINTER_LOCK_FREE != 1 && ATOMIC_POINTER_LOCK_FREE != 2\n+# error \"ATOMIC_POINTER_LOCK_FREE must be 1 or 2\"\n+#endif\n+\n+#ifndef ATOMIC_FLAG_INIT\n+    #error \"ATOMIC_FLAG_INIT_must_be_a_macro\"\n+#endif\n+\n+#ifndef ATOMIC_VAR_INIT\n+    #error \"ATOMIC_VAR_INIT_must_be_a_macro\"\n+#endif\n","prefixes":[]}