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GET /api/1.2/patches/2233155/?format=api
{ "id": 2233155, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2233155/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/20260505190809.3898686-2-adhemerval.zanella@linaro.org/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/1.2/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260505190809.3898686-2-adhemerval.zanella@linaro.org>", "list_archive_url": null, "date": "2026-05-05T19:06:50", "name": "[v2,1/3] support: Add support_process_shared_robust_mutex", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2cff733e3580f0e70a6017571f60ed07c5062e51", "submitter": { "id": 66065, "url": "http://patchwork.ozlabs.org/api/1.2/people/66065/?format=api", "name": "Adhemerval Zanella Netto", "email": "adhemerval.zanella@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/20260505190809.3898686-2-adhemerval.zanella@linaro.org/mbox/", "series": [ { "id": 502884, "url": "http://patchwork.ozlabs.org/api/1.2/series/502884/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=502884", "date": "2026-05-05T19:06:49", "name": "nptl: Fix robust mutex support detection and defer robust list initialization", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/502884/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2233155/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2233155/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "libc-alpha@sourceware.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "libc-alpha@sourceware.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=GdU7/K9k;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=2620:52:6:3111::32; helo=vm01.sourceware.org;\n envelope-from=libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org;\n receiver=patchwork.ozlabs.org)", "sourceware.org;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=GdU7/K9k", "sourceware.org;\n dmarc=pass (p=none dis=none) header.from=linaro.org", "sourceware.org; spf=pass smtp.mailfrom=linaro.org", "server2.sourceware.org;\n arc=none smtp.remote-ip=2607:f8b0:4864:20::e33" ], "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 4g97Pf47Fbz1yJV\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 06 May 2026 05:10:14 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 8F2A84BABF35\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 5 May 2026 19:10:12 +0000 (GMT)", "from mail-vs1-xe33.google.com (mail-vs1-xe33.google.com\n [IPv6:2607:f8b0:4864:20::e33])\n by sourceware.org (Postfix) with ESMTPS id E2C1F4BA799C\n for <libc-alpha@sourceware.org>; Tue, 5 May 2026 19:08:18 +0000 (GMT)", "by mail-vs1-xe33.google.com with SMTP id\n ada2fe7eead31-610f4cf6ddcso159285137.1\n for <libc-alpha@sourceware.org>; Tue, 05 May 2026 12:08:18 -0700 (PDT)", "from mandiga.. 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you can redistribute it and/or\n+ modify it under the terms of the GNU Lesser General Public\n+ License as published by the Free Software Foundation; either\n+ version 2.1 of the License, or (at your option) any later version.\n+\n+ The GNU C 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 GNU\n+ Lesser General Public License for more details.\n+\n+ You should have received a copy of the GNU Lesser General Public\n+ License along with the GNU C Library; if not, see\n+ <https://www.gnu.org/licenses/>. */\n+\n+#include <support/xthread.h>\n+#include <sys/syscall.h>\n+#include <unistd.h>\n+\n+bool\n+support_process_shared_robust_mutex (void)\n+{\n+#ifdef __linux__\n+ void *head;\n+ size_t len;\n+ int r = syscall (__NR_get_robust_list, 0, &head, &len);\n+ return r == 0;\n+#else\n+ return true;\n+#endif\n+}\ndiff --git a/support/xthread.h b/support/xthread.h\nindex d585bd0c3c6..7afd96dd3b9 100644\n--- a/support/xthread.h\n+++ b/support/xthread.h\n@@ -36,6 +36,9 @@ void delayed__exit (int seconds);\n /* Returns true if Priority Inheritance support CLOCK_MONOTONIC. */\n bool support_mutex_pi_monotonic (void);\n \n+/* Returns true if process-shared robust mutexes are supported. */\n+bool support_process_shared_robust_mutex (void);\n+\n /* Terminate the process (with exit status 1) if VALUE is not zero.\n In that case, print a failure message to standard output mentioning\n FUNCTION. The process is terminated with the exit function, so\n", "prefixes": [ "v2", "1/3" ] }