[{"id":3683895,"web_url":"http://patchwork.ozlabs.org/comment/3683895/","msgid":"","list_archive_url":null,"date":"2026-04-29T08:24:23","subject":"Re: [PATCH] libstdc++: Test ATOMIC_*_LOCK_FREE macros for\n ","submitter":{"id":4329,"url":"http://patchwork.ozlabs.org/api/people/4329/","name":"Jonathan Wakely","email":"jwakely.gcc@gmail.com"},"content":"On Wed, 29 Apr 2026, 08:50 Tomasz Kamiński, wrote:\n\n> Coverage for LWG 4480, \" should provide\n> ATOMIC_CHAR8_T_LOCK_FREE\".\n>\n> libstdc++-v3/ChangeLog:\n>\n> * testsuite/29_atomics/headers/stdatomic.h/macros.cc:\n> Copy of ../atomic/macros.cc with header include changed.\n> ---\n> Keeping the FSF copyright header, as it is plain copy with minimal\n> modificaiton.\n>\n\nThen it should preserve the original copyright dates from the file that was\ncopied, 2008-2026.\n\nOK with that change, thanks.\n\n\n\n> Tested 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\n> libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc\n>\n> diff --git\n> a/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc\n> b/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/macros.cc\n> new file mode 100644\n> index 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> +// .\n> +\n> +#include \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> --\n> 2.54.0\n>\n>","headers":{"Return-Path":"","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 (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=apGLMDkH;\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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Wed, 29 Apr 2026\n 01:24:34 -0700 (PDT)","MIME-Version":"1.0","References":"<20260429074945.65588-1-tkaminsk@redhat.com>","In-Reply-To":"<20260429074945.65588-1-tkaminsk@redhat.com>","From":"Jonathan Wakely ","Date":"Wed, 29 Apr 2026 09:24:23 +0100","X-Gm-Features":"AVHnY4LcTdbY-fKHEhmCsrWJkU80zhfwyhaeJFnKVC2HYjDd6Ow8xPDMwFszpcU","Message-ID":"\n ","Subject":"Re: [PATCH] libstdc++: Test ATOMIC_*_LOCK_FREE macros for\n ","To":"=?utf-8?q?Tomasz_Kami=C5=84ski?= ","Cc":"\"libstdc++\" , gcc-patches ","Content-Type":"multipart/alternative; boundary=\"000000000000e9dab706509513f8\"","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"}}]