{"id":811254,"url":"http://patchwork.ozlabs.org/api/patches/811254/?format=json","web_url":"http://patchwork.ozlabs.org/project/glibc/patch/20170907224219.12483-50-albert.aribaud@3adev.fr/","project":{"id":41,"url":"http://patchwork.ozlabs.org/api/projects/41/?format=json","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":"<20170907224219.12483-50-albert.aribaud@3adev.fr>","list_archive_url":null,"date":"2017-09-07T22:42:16","name":"[RFC,49/52] Y2038: add function pselect","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"1347bfc21a4945ffd3ff060b3aa23ba3d75fd105","submitter":{"id":65557,"url":"http://patchwork.ozlabs.org/api/people/65557/?format=json","name":"Albert ARIBAUD (3ADEV)","email":"albert.aribaud@3adev.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/glibc/patch/20170907224219.12483-50-albert.aribaud@3adev.fr/mbox/","series":[{"id":2074,"url":"http://patchwork.ozlabs.org/api/series/2074/?format=json","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/811254/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/811254/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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-84367-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"F0I5t7gz\"; 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 3xpG0v1WJWz9rxl\n\tfor ;\n\tFri, 8 Sep 2017 08:51:59 +1000 (AEST)","(qmail 7759 invoked by alias); 7 Sep 2017 22:46:07 -0000","(qmail 5254 invoked by uid 89); 7 Sep 2017 22:46:03 -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=OLNS4j3OBMfpcY4u/F9ZbIpqvDdhJkE\n\tBXG3Ed+tyVdGVm4/VOHiLHMjV1pR6tNqsvSJ6jFP7i/7P/zBshFamMRZ49WAoNLY\n\tXYSV21AfwNqTzqfA23DoOTDkdbDZasRWmM/F8z4yTLXQWGxkg3dj2W2KbPKUmFzp\n\tCJXbyRMmY3Bk=","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=SL735i7IB5FFIAdVF+yLkDiBdvI=; b=F0I5t\n\t7gzvXrVp/YbU2ZAAp9EkDRNR8mANkYXvo8hv1t7PY/pzAZzdQT56/8TLa4Z7VvHq\n\ti09arVEexR9asROq5Kn8xmEy2c1Mo2DJRDnDH2OYA8LxlUp+Jnax5wkHmTUaL/ch\n\tYCudQnWYitP1J9kBuZDqvKaLWcqK0uQw1mLvM0=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Subscribe":"","List-Archive":"","List-Post":"","List-Help":",\n\t","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)\" ","To":"libc-alpha@sourceware.org","Cc":"\"Albert ARIBAUD (3ADEV)\" ","Subject":"[RFC PATCH 49/52] Y2038: add function pselect","Date":"Fri, 8 Sep 2017 00:42:16 +0200","Message-Id":"<20170907224219.12483-50-albert.aribaud@3adev.fr>","In-Reply-To":"<20170907224219.12483-49-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>\n\t<20170907224219.12483-29-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-30-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-31-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-32-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-33-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-34-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-35-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-36-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-37-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-38-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-39-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-40-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-41-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-42-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-43-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-44-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-45-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-46-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-47-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-48-albert.aribaud@3adev.fr>\n\t<20170907224219.12483-49-albert.aribaud@3adev.fr>"},"content":"Signed-off-by: Albert ARIBAUD (3ADEV) \n---\n include/sys/select.h | 10 +++++++\n sysdeps/unix/sysv/linux/pselect.c | 61 +++++++++++++++++++++++++++++++++++++++\n 2 files changed, 71 insertions(+)","diff":"diff --git a/include/sys/select.h b/include/sys/select.h\nindex 07bb49b994..3eb76faf9d 100644\n--- a/include/sys/select.h\n+++ b/include/sys/select.h\n@@ -3,6 +3,9 @@\n \n #ifndef _ISOMAC\n /* Now define the internal interfaces. */\n+\n+#include \n+\n extern int __pselect (int __nfds, fd_set *__readfds,\n \t\t fd_set *__writefds, fd_set *__exceptfds,\n \t\t const struct timespec *__timeout,\n@@ -14,5 +17,12 @@ extern int __select (int __nfds, fd_set *__restrict __readfds,\n \t\t struct timeval *__restrict __timeout);\n libc_hidden_proto (__select)\n \n+/* 64-bit time version */\n+\n+extern int __pselect_t64 (int __nfds, fd_set *__readfds,\n+\t\t fd_set *__writefds, fd_set *__exceptfds,\n+\t\t const struct __timespec64 *__timeout,\n+\t\t const __sigset_t *__sigmask);\n+\n #endif\n #endif\ndiff --git a/sysdeps/unix/sysv/linux/pselect.c b/sysdeps/unix/sysv/linux/pselect.c\nindex b5e8c7fbcd..ce8db34843 100644\n--- a/sysdeps/unix/sysv/linux/pselect.c\n+++ b/sysdeps/unix/sysv/linux/pselect.c\n@@ -79,6 +79,67 @@ __pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,\n }\n weak_alias (__pselect, pselect)\n \n+/* 64-bit time version */\n+\n+extern int __y2038_linux_support;\n+\n+int\n+__pselect_t64 (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,\n+\t const struct __timespec64 *timeout, const sigset_t *sigmask)\n+{\n+ struct timespec tval32, *timeout32 = NULL;\n+\n+ if (__y2038_linux_support)\n+ {\n+ /* TODO: implement using Linux kernel system call */\n+ }\n+\n+ /* The Linux kernel can in some situations update the timeout value.\n+ We do not want that so use a local variable. */\n+ if (timeout != NULL)\n+ {\n+ if (timeout->tv_sec > INT_MAX)\n+ {\n+ errno = EOVERFLOW;\n+ return -1;\n+ }\n+ tval32.tv_sec = timeout->tv_sec;\n+ tval32.tv_nsec = timeout->tv_nsec;\n+ timeout32 = &tval32;\n+ }\n+\n+ /* Note: the system call expects 7 values but on most architectures\n+ we can only pass in 6 directly. If there is an architecture with\n+ support for more parameters a new version of this file needs to\n+ be created. */\n+ struct\n+ {\n+ __syscall_ulong_t ss;\n+ __syscall_ulong_t ss_len;\n+ } data;\n+\n+ data.ss = (__syscall_ulong_t) (uintptr_t) sigmask;\n+ data.ss_len = _NSIG / 8;\n+\n+ int result;\n+\n+#ifndef CALL_PSELECT6\n+# define CALL_PSELECT6(nfds, readfds, writefds, exceptfds, timeout, data) \\\n+ SYSCALL_CANCEL (pselect6, nfds, readfds, writefds, exceptfds,\ttimeout32, data)\n+#endif\n+\n+ result = CALL_PSELECT6 (nfds, readfds, writefds, exceptfds, timeout32,\n+\t\t\t &data);\n+\n+# ifndef __ASSUME_PSELECT\n+ if (result == -1 && errno == ENOSYS)\n+ result = __generic_pselect (nfds, readfds, writefds, exceptfds, timeout32,\n+\t\t\t\tsigmask);\n+# endif\n+\n+ return result;\n+}\n+\n # ifndef __ASSUME_PSELECT\n # define __pselect static __generic_pselect\n # endif\n","prefixes":["RFC","49/52"]}