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GET /api/patches/811228/?format=api
{ "id": 811228, "url": "http://patchwork.ozlabs.org/api/patches/811228/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/20170907224219.12483-29-albert.aribaud@3adev.fr/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/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": "<20170907224219.12483-29-albert.aribaud@3adev.fr>", "list_archive_url": null, "date": "2017-09-07T22:41:55", "name": "[RFC,28/52] Y2038: add function __time_t64", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "21da469afbb9af67f5e4d31cd5a27ba9c0b38425", "submitter": { "id": 65557, "url": "http://patchwork.ozlabs.org/api/people/65557/?format=api", "name": "Albert ARIBAUD (3ADEV)", "email": "albert.aribaud@3adev.fr" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/20170907224219.12483-29-albert.aribaud@3adev.fr/mbox/", "series": [ { "id": 2074, "url": "http://patchwork.ozlabs.org/api/series/2074/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=2074", "date": "2017-09-07T22:41:27", "name": "Make GLIBC Y2038-proof", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/2074/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/811228/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/811228/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-return-84346-incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list libc-alpha@sourceware.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-84346-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"D5LYycSI\"; dkim-atps=neutral", "sourceware.org; auth=none" ], "Received": [ "from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xpFw36wcbz9sDB\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 8 Sep 2017 08:47:47 +1000 (AEST)", "(qmail 87566 invoked by alias); 7 Sep 2017 22:44:29 -0000", "(qmail 86974 invoked by uid 89); 7 Sep 2017 22:44:28 -0000" ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:cc:subject:date:message-id:in-reply-to\n\t:references; q=dns; s=default; b=bo1w/qzGNr4L9h36CfNortNA7AU23jC\n\t89+K1Kg4ElRyAfHGBopRxOk0+ySL5UbPh1EVqUNcOKrMB06MMoVabtmly1P4MV33\n\tnduxY6PfMDgp+HAluEiHfgpchFaKPl06s4m8FYToWt8+mHjCRV8pynCCe2LLf9MQ\n\ta8k0+imilf2w=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:cc:subject:date:message-id:in-reply-to\n\t:references; s=default; bh=S21fxJLnrv6K7+uyEUAt7QMLQvs=; b=D5LYy\n\tcSILV8N0SyAVGg6v0D88Zm9Qnyo/iuIerU82hXNDNRW8J8WOQ+43Tjbjme9Ogrgk\n\tJWDahcl/DvPSF6OGJwPXWYGbHA9hpeAezwmlh6/4YjzmFmNw6dj7YiOTrAsXP2uL\n\tbw0enjYZCT1bbrYBOy4YtGVt01vsIaOYB9+ico=", "Mailing-List": "contact libc-alpha-help@sourceware.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<libc-alpha.sourceware.org>", "List-Unsubscribe": "<mailto:libc-alpha-unsubscribe-incoming=patchwork.ozlabs.org@sourceware.org>", "List-Subscribe": "<mailto:libc-alpha-subscribe@sourceware.org>", "List-Archive": "<http://sourceware.org/ml/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-help@sourceware.org>,\n\t<http://sourceware.org/ml/#faqs>", "Sender": "libc-alpha-owner@sourceware.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-26.6 required=5.0 tests=BAYES_00, GIT_PATCH_0,\n\tGIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3,\n\tKAM_LAZY_DOMAIN_SECURITY,\n\tRCVD_IN_DNSWL_LOW autolearn=ham version=3.3.2 spammy=", "X-HELO": "smtp6-g21.free.fr", "From": "\"Albert ARIBAUD (3ADEV)\" <albert.aribaud@3adev.fr>", "To": "libc-alpha@sourceware.org", "Cc": "\"Albert ARIBAUD (3ADEV)\" <albert.aribaud@3adev.fr>", "Subject": "[RFC PATCH 28/52] Y2038: add function __time_t64", "Date": "Fri, 8 Sep 2017 00:41:55 +0200", "Message-Id": "<20170907224219.12483-29-albert.aribaud@3adev.fr>", "In-Reply-To": "<20170907224219.12483-28-albert.aribaud@3adev.fr>", "References": "<20170907224219.12483-1-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-2-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-3-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-4-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-5-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-6-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-7-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-8-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-9-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-10-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-11-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-12-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-13-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-14-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-15-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-16-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-17-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-18-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-19-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-20-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-21-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-22-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-23-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-24-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-25-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-26-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-27-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-28-albert.aribaud@3adev.fr>" }, "content": "These implementations use only 32-bit time kernel syscalls.\n\nTherefore, stime() will always set errno to EOVERFLOW and return -1 for dates beyond Y2038.\n\nSigned-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>\n---\n sysdeps/posix/time.c | 26 ++++++++++++++++++++++++++\n sysdeps/unix/sysv/linux/time.c | 22 ++++++++++++++++++++++\n time/Versions | 1 +\n time/time.c | 13 +++++++++++++\n 4 files changed, 62 insertions(+)", "diff": "diff --git a/sysdeps/posix/time.c b/sysdeps/posix/time.c\nindex 32ca177514..a4c4a03c55 100644\n--- a/sysdeps/posix/time.c\n+++ b/sysdeps/posix/time.c\n@@ -38,3 +38,29 @@ time (time_t *t)\n return result;\n }\n libc_hidden_def (time)\n+\n+/* 64-bit time version */\n+\n+extern int __y2038_linux_support;\n+\n+__time64_t\n+__time_t64 (__time64_t *t)\n+{\n+ struct timeval tv32;\n+ __time64_t result;\n+\n+ if (__y2038_linux_support)\n+ {\n+ /* TODO: implement using 64-bit time syscall */\n+ }\n+\n+ if (__gettimeofday (&tv32, (struct timezone *) NULL))\n+ result = (__time64_t) -1;\n+ else\n+ result = (__time64_t) tv32.tv_sec;\n+\n+ if (t != NULL)\n+ *t = result;\n+\n+ return result;\n+}\ndiff --git a/sysdeps/unix/sysv/linux/time.c b/sysdeps/unix/sysv/linux/time.c\nindex 72d4040cbc..b6c7e61844 100644\n--- a/sysdeps/unix/sysv/linux/time.c\n+++ b/sysdeps/unix/sysv/linux/time.c\n@@ -34,6 +34,28 @@ time (time_t *t)\n }\n libc_hidden_def (time)\n \n+/* 64-BIT TIME VERSION */\n+\n+extern int __y2038_linux_support;\n+\n+__time64_t\n+__time_t64 (__time64_t *t)\n+{\n+ INTERNAL_SYSCALL_DECL (err);\n+ __time64_t res;\n+\n+ if (__y2038_linux_support)\n+ {\n+ /* TODO: implement using 64-bit time syscall */\n+ }\n+\n+ res = INTERNAL_SYSCALL (time, err, 1, NULL);\n+ /* There cannot be any error. */\n+ if (t != NULL)\n+ *t = res;\n+ return res;\n+}\n+\n #else\n \n # include <sysdeps/posix/time.c>\ndiff --git a/time/Versions b/time/Versions\nindex 3fe860862a..02dc8d6146 100644\n--- a/time/Versions\n+++ b/time/Versions\n@@ -71,5 +71,6 @@ libc {\n \n GLIBC_Y2038 {\n __timespec_get64;\n+ __time_t64;\n }\n }\ndiff --git a/time/time.c b/time/time.c\nindex e375035265..a487068468 100644\n--- a/time/time.c\n+++ b/time/time.c\n@@ -31,3 +31,16 @@ time (time_t *timer)\n libc_hidden_def (time)\n \n stub_warning (time)\n+\n+/* 64-bit time version */\n+\n+__time64_t\n+__time_t64 (__time64_ *timer)\n+{\n+ __set_errno (ENOSYS);\n+\n+ if (timer != NULL)\n+ *timer = (__time64_t) -1;\n+ return (__time64_t) -1;\n+}\n+libc_hidden_def (__time_t64)\n", "prefixes": [ "RFC", "28/52" ] }