From patchwork Wed Apr 18 20:17:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Albert ARIBAUD X-Patchwork-Id: 26817 Received: (qmail 118759 invoked by alias); 18 Apr 2018 20:21:25 -0000 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: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 118669 invoked by uid 89); 18 Apr 2018 20:21:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.8 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_LAZY_DOMAIN_SECURITY, KAM_NUMSUBJECT, KAM_SHORT, RCVD_IN_DNSWL_LOW, RCVD_IN_RP_RNBL autolearn=ham version=3.3.2 spammy= X-HELO: smtp3-g21.free.fr From: "Albert ARIBAUD (3ADEV)" To: libc-alpha@sourceware.org Cc: "Albert ARIBAUD (3ADEV)" Subject: [[PATCH RFC 2] 38/63] Y2038: add function __time64 Date: Wed, 18 Apr 2018 22:17:54 +0200 Message-Id: <20180418201819.15952-39-albert.aribaud@3adev.fr> In-Reply-To: <20180418201819.15952-38-albert.aribaud@3adev.fr> References: <20180418201819.15952-1-albert.aribaud@3adev.fr> <20180418201819.15952-2-albert.aribaud@3adev.fr> <20180418201819.15952-3-albert.aribaud@3adev.fr> <20180418201819.15952-4-albert.aribaud@3adev.fr> <20180418201819.15952-5-albert.aribaud@3adev.fr> <20180418201819.15952-6-albert.aribaud@3adev.fr> <20180418201819.15952-7-albert.aribaud@3adev.fr> <20180418201819.15952-8-albert.aribaud@3adev.fr> <20180418201819.15952-9-albert.aribaud@3adev.fr> <20180418201819.15952-10-albert.aribaud@3adev.fr> <20180418201819.15952-11-albert.aribaud@3adev.fr> <20180418201819.15952-12-albert.aribaud@3adev.fr> <20180418201819.15952-13-albert.aribaud@3adev.fr> <20180418201819.15952-14-albert.aribaud@3adev.fr> <20180418201819.15952-15-albert.aribaud@3adev.fr> <20180418201819.15952-16-albert.aribaud@3adev.fr> <20180418201819.15952-17-albert.aribaud@3adev.fr> <20180418201819.15952-18-albert.aribaud@3adev.fr> <20180418201819.15952-19-albert.aribaud@3adev.fr> <20180418201819.15952-20-albert.aribaud@3adev.fr> <20180418201819.15952-21-albert.aribaud@3adev.fr> <20180418201819.15952-22-albert.aribaud@3adev.fr> <20180418201819.15952-23-albert.aribaud@3adev.fr> <20180418201819.15952-24-albert.aribaud@3adev.fr> <20180418201819.15952-25-albert.aribaud@3adev.fr> <20180418201819.15952-26-albert.aribaud@3adev.fr> <20180418201819.15952-27-albert.aribaud@3adev.fr> <20180418201819.15952-28-albert.aribaud@3adev.fr> <20180418201819.15952-29-albert.aribaud@3adev.fr> <20180418201819.15952-30-albert.aribaud@3adev.fr> <20180418201819.15952-31-albert.aribaud@3adev.fr> <20180418201819.15952-32-albert.aribaud@3adev.fr> <20180418201819.15952-33-albert.aribaud@3adev.fr> <20180418201819.15952-34-albert.aribaud@3adev.fr> <20180418201819.15952-35-albert.aribaud@3adev.fr> <20180418201819.15952-36-albert.aribaud@3adev.fr> <20180418201819.15952-37-albert.aribaud@3adev.fr> <20180418201819.15952-38-albert.aribaud@3adev.fr> This provides a generic Posix implementation based on calling __gettimeofday64(). --- sysdeps/posix/time64.c | 43 +++++++++++++++++++++++++++++++++++++++++++ time/Makefile | 1 + time/Versions | 1 + time/time.c | 13 +++++++++++++ 4 files changed, 58 insertions(+) create mode 100644 sysdeps/posix/time64.c diff --git a/sysdeps/posix/time64.c b/sysdeps/posix/time64.c new file mode 100644 index 0000000000..4a58228d8a --- /dev/null +++ b/sysdeps/posix/time64.c @@ -0,0 +1,43 @@ +/* Get the 64-bit current time + * + Copyright (C) 1991-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include /* For NULL. */ +#include +#include + + +/* Return the current time as a `time_t' and also put it in *T if T is + not NULL. Time is represented as seconds from Jan 1 00:00:00 1970. */ + +__time64_t +__time64 (__time64_t *t) +{ + struct __timeval64 tv; + __time64_t result; + + if (__gettimeofday64 (&tv, (struct timezone *) NULL)) + result = (__time64_t) -1; + else + result = tv.tv_sec; + + if (t != NULL) + *t = result; + + return result; +} diff --git a/time/Makefile b/time/Makefile index 7657debc72..23da9805ef 100644 --- a/time/Makefile +++ b/time/Makefile @@ -31,6 +31,7 @@ headers := time.h sys/time.h sys/timeb.h bits/time.h \ routines := offtime asctime clock ctime ctime_r difftime \ gmtime localtime mktime time \ + time64 \ gettimeofday settimeofday adjtime tzset \ gettimeofday64 settimeofday64 \ tzfile getitimer setitimer \ diff --git a/time/Versions b/time/Versions index bbb6403f3c..9baff82719 100644 --- a/time/Versions +++ b/time/Versions @@ -86,5 +86,6 @@ libc { __lutimes64; __gettimeofday64; __settimeofday64; + __time64; } } diff --git a/time/time.c b/time/time.c index 4996d26f13..9703c72464 100644 --- a/time/time.c +++ b/time/time.c @@ -31,3 +31,16 @@ time (time_t *timer) libc_hidden_def (time) stub_warning (time) + +/* 64-bit time version */ + +__time64_t +__time64 (__time64_ *timer) +{ + __set_errno (ENOSYS); + + if (timer != NULL) + *timer = (__time64_t) -1; + return (__time64_t) -1; +} +libc_hidden_def (__time64)