From patchwork Thu Sep 7 22:42:03 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Albert ARIBAUD X-Patchwork-Id: 22744 Received: (qmail 102248 invoked by alias); 7 Sep 2017 22:45:03 -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 101418 invoked by uid 89); 7 Sep 2017 22:45:01 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.6 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_LAZY_DOMAIN_SECURITY, RCVD_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 36/52] Y2038: add function __sched_rr_get_interval_t64 Date: Fri, 8 Sep 2017 00:42:03 +0200 Message-Id: <20170907224219.12483-37-albert.aribaud@3adev.fr> In-Reply-To: <20170907224219.12483-36-albert.aribaud@3adev.fr> References: <20170907224219.12483-1-albert.aribaud@3adev.fr> <20170907224219.12483-2-albert.aribaud@3adev.fr> <20170907224219.12483-3-albert.aribaud@3adev.fr> <20170907224219.12483-4-albert.aribaud@3adev.fr> <20170907224219.12483-5-albert.aribaud@3adev.fr> <20170907224219.12483-6-albert.aribaud@3adev.fr> <20170907224219.12483-7-albert.aribaud@3adev.fr> <20170907224219.12483-8-albert.aribaud@3adev.fr> <20170907224219.12483-9-albert.aribaud@3adev.fr> <20170907224219.12483-10-albert.aribaud@3adev.fr> <20170907224219.12483-11-albert.aribaud@3adev.fr> <20170907224219.12483-12-albert.aribaud@3adev.fr> <20170907224219.12483-13-albert.aribaud@3adev.fr> <20170907224219.12483-14-albert.aribaud@3adev.fr> <20170907224219.12483-15-albert.aribaud@3adev.fr> <20170907224219.12483-16-albert.aribaud@3adev.fr> <20170907224219.12483-17-albert.aribaud@3adev.fr> <20170907224219.12483-18-albert.aribaud@3adev.fr> <20170907224219.12483-19-albert.aribaud@3adev.fr> <20170907224219.12483-20-albert.aribaud@3adev.fr> <20170907224219.12483-21-albert.aribaud@3adev.fr> <20170907224219.12483-22-albert.aribaud@3adev.fr> <20170907224219.12483-23-albert.aribaud@3adev.fr> <20170907224219.12483-24-albert.aribaud@3adev.fr> <20170907224219.12483-25-albert.aribaud@3adev.fr> <20170907224219.12483-26-albert.aribaud@3adev.fr> <20170907224219.12483-27-albert.aribaud@3adev.fr> <20170907224219.12483-28-albert.aribaud@3adev.fr> <20170907224219.12483-29-albert.aribaud@3adev.fr> <20170907224219.12483-30-albert.aribaud@3adev.fr> <20170907224219.12483-31-albert.aribaud@3adev.fr> <20170907224219.12483-32-albert.aribaud@3adev.fr> <20170907224219.12483-33-albert.aribaud@3adev.fr> <20170907224219.12483-34-albert.aribaud@3adev.fr> <20170907224219.12483-35-albert.aribaud@3adev.fr> <20170907224219.12483-36-albert.aribaud@3adev.fr> Signed-off-by: Albert ARIBAUD (3ADEV) --- posix/Makefile | 3 ++- posix/Versions | 7 +++++++ posix/sched_rr_gi64.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 60 insertions(+), 1 deletion(-) create mode 100644 posix/sched_rr_gi64.c diff --git a/posix/Makefile b/posix/Makefile index 33abcaed7a..e5b8fd28f3 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -61,7 +61,8 @@ routines := \ spawnattr_getsigmask spawnattr_getschedpolicy spawnattr_getschedparam \ spawnattr_setsigmask spawnattr_setschedpolicy spawnattr_setschedparam \ posix_madvise \ - get_child_max sched_cpucount sched_cpualloc sched_cpufree + get_child_max sched_cpucount sched_cpualloc sched_cpufree \ + sched_rr_gi64 aux := init-posix environ tests := test-errno tstgetopt testfnm runtests runptests \ diff --git a/posix/Versions b/posix/Versions index bb481a505b..dd6d8340d5 100644 --- a/posix/Versions +++ b/posix/Versions @@ -137,4 +137,11 @@ libc { GLIBC_PRIVATE { __libc_fork; __libc_pread; __libc_pwrite; } + + # Y2038 symbols are given their own version until they can be put in + # the right place + + GLIBC_Y2038 { + __sched_rr_get_interval_t64; + } } diff --git a/posix/sched_rr_gi64.c b/posix/sched_rr_gi64.c new file mode 100644 index 0000000000..7f4f5cf729 --- /dev/null +++ b/posix/sched_rr_gi64.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1996-2017 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 +#include +#include + +extern int __y2038_linux_support; + +/* Get the SCHED_RR interval for the named process. */ + +int +__sched_rr_get_interval_t64 (pid_t pid, struct __timespec64 *t) +{ + struct timespec ts32; + int result; + + if (t == NULL) + { + __set_errno(EINVAL); + return -1; + } + + if (__y2038_linux_support) + { + /* TODO: use 64-bit syscall */ + } + + result = sched_rr_get_interval(pid, &ts32); + if (result == 0) + { + t->tv_sec = ts32.tv_sec; + t->tv_nsec = ts32.tv_nsec; + t->tv_pad = 0; + } + return result; +}