{"id":2226779,"url":"http://patchwork.ozlabs.org/api/patches/2226779/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhup55wx16.gcc.gcc-TEST.tkaminsk.85.1.5@forge-stage.sourceware.org/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"","list_archive_url":null,"date":"2026-04-22T18:49:42","name":"[v1,05/10] Add static assert for lack of volatile support","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"b692b3e737ebe898424aefc3e956cb375234ce86","submitter":{"id":93223,"url":"http://patchwork.ozlabs.org/api/people/93223/?format=json","name":"tkaminsk via Sourceware Forge","email":"forge-bot+tkaminsk@forge-stage.sourceware.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhup55wx16.gcc.gcc-TEST.tkaminsk.85.1.5@forge-stage.sourceware.org/mbox/","series":[{"id":501094,"url":"http://patchwork.ozlabs.org/api/series/501094/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=501094","date":"2026-04-22T18:49:39","name":"WIP: libstdc++: add support for cv-qualified types in atomic_ref (P3323R1)","version":1,"mbox":"http://patchwork.ozlabs.org/series/501094/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226779/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226779/checks/","tags":{},"related":[],"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 spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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server2.sourceware.org","From":"tkaminsk via Sourceware Forge\n ","Date":"Wed, 22 Apr 2026 18:49:42 +0000","Subject":"[PATCH v1 05/10] Add static assert for lack of volatile support","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","To":"gcc-patches mailing list ","Message-ID":"\n ","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/85","References":"\n ","In-Reply-To":"\n ","X-Patch-URL":"\n https://forge.sourceware.org/tkaminsk/gcc/commit/04d2dd1fa772f9e8ca72239992a66326715759c9","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 ","Reply-To":"gcc-patches mailing list ,\n tkaminsk@gcc.gnu.org","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"From: Tomasz Kamiński \n\n---\n libstdc++-v3/include/bits/atomic_base.h | 24 +++++++++++++++---------\n 1 file changed, 15 insertions(+), 9 deletions(-)","diff":"diff --git a/libstdc++-v3/include/bits/atomic_base.h b/libstdc++-v3/include/bits/atomic_base.h\nindex b124aae626a0..d3a935b0ba88 100644\n--- a/libstdc++-v3/include/bits/atomic_base.h\n+++ b/libstdc++-v3/include/bits/atomic_base.h\n@@ -1581,9 +1581,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n #if __glibcxx_atomic_wait\n _GLIBCXX_ALWAYS_INLINE void\n wait(value_type __old, memory_order __m = memory_order_seq_cst) const noexcept\n- { __atomic_impl::wait(_M_ptr, __old, __m); }\n-\n- // TODO add const volatile overload\n+ { \n+ // TODO remove when volatile is supported\n+\tstatic_assert(!is_volatile_v<_Tp>, \"atomics wait on volatile are not supported\");\n+\t__atomic_impl::wait(_M_ptr, __old, __m);\n+ }\n #endif // __glibcxx_atomic_wait\n \n protected:\n@@ -1654,15 +1656,19 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n #if __glibcxx_atomic_wait\n _GLIBCXX_ALWAYS_INLINE void\n notify_one() const noexcept\n- { __atomic_impl::notify_one(this->_M_ptr); }\n-\n- // TODO add const volatile overload\n+ {\n+ // TODO remove when volatile is supported\n+\tstatic_assert(!is_volatile_v<_Tp>, \"atomics wait on volatile are not supported\");\n+\t__atomic_impl::notify_one(this->_M_ptr);\n+ }\n \n _GLIBCXX_ALWAYS_INLINE void\n notify_all() const noexcept\n- { __atomic_impl::notify_all(this->_M_ptr); }\n-\n- // TODO add const volatile overload\n+ {\n+ // TODO remove when volatile is supported\n+\tstatic_assert(!is_volatile_v<_Tp>, \"atomics wait on volatile are not supported\");\n+ __atomic_impl::notify_all(this->_M_ptr);\n+ }\n #endif // __glibcxx_atomic_wait\n };\n \n","prefixes":["v1","05/10"]}