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Merge pull request #4421 from mglae/le92_wait-time-sync

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wait-time-sync: new package to reliable detect ntp synchronized system time
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Christian Hewitt 2020-06-16 08:59:06 +04:00 committed by GitHub
commit e3ff241929
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5 changed files with 83 additions and 1 deletions
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6
packages/sysutils/systemd/package.mk
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@ -8,7 +8,7 @@ PKG_SHA256="ec22be9a5dd94c9640e6348ed8391d1499af8ca2c2f01109198a414cff6c6cba"
PKG_LICENSE="LGPL2.1+"
PKG_SITE="http://www.freedesktop.org/wiki/Software/systemd"
PKG_URL="https://github.com/systemd/systemd/archive/v$PKG_VERSION.tar.gz"
PKG_DEPENDS_TARGET="toolchain libcap kmod util-linux entropy libidn2"
PKG_DEPENDS_TARGET="toolchain libcap kmod util-linux entropy libidn2 wait-time-sync"
PKG_LONGDESC="A system and session manager for Linux, compatible with SysV and LSB init scripts."
PKG_MESON_OPTS_TARGET="--libdir=/usr/lib \
@ -185,6 +185,10 @@ post_makeinstall_target() {
# remove networkd
safe_remove $INSTALL/usr/lib/systemd/network
# remove systemd-time-wait-sync (not detecting slew time updates, using package wait-time-sync)
safe_remove $INSTALL/usr/lib/systemd/system/systemd-time-wait-sync.service
safe_remove $INSTALL/usr/lib/systemd/systemd-time-wait-sync
# tune journald.conf
sed -e "s,^.*Compress=.*$,Compress=no,g" -i $INSTALL/etc/systemd/journald.conf
sed -e "s,^.*SplitMode=.*$,SplitMode=none,g" -i $INSTALL/etc/systemd/journald.conf

15
packages/sysutils/wait-time-sync/package.mk Normal file
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@ -0,0 +1,15 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2020-present Team LibreELEC (https://libreelec.tv)
PKG_NAME="wait-time-sync"
PKG_VERSION="1.0"
PKG_LICENSE="GPL"
PKG_SITE=""
PKG_URL=""
PKG_DEPENDS_TARGET="toolchain"
PKG_LONGDESC="A simple tool and systemd service to wait until NTP time is synced"
post_install() {
enable_service wait-time-sync.service
}

12
packages/sysutils/wait-time-sync/sources/Makefile Normal file
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@ -0,0 +1,12 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2020-present Team LibreELEC (https://libreelec.tv)
.PHONY: all
all: wait-time-sync
PREFIX = /usr
.PHONY: install
install: wait-time-sync
install -d $(DESTDIR)$(PREFIX)/bin
install $< $(DESTDIR)$(PREFIX)/bin

23
packages/sysutils/wait-time-sync/sources/wait-time-sync.c Normal file
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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2020-present Team LibreELEC (https://libreelec.tv) */
#include <sys/timex.h>
#include <unistd.h>
#include <errno.h>
int main()
{
int rc;
for (;;)
{
struct timex tx = {};
rc = adjtimex(&tx);
if (rc != TIME_ERROR)
break;
usleep(1000000U/3);
}
return rc == -1 ? errno : 0;
}

28
packages/sysutils/wait-time-sync/system.d/wait-time-sync.service Normal file
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@ -0,0 +1,28 @@
# SPDX-License-Identifier: LGPL-2.1+
#
# This file was part of systemd.
# Modified by Team LibreELEC (https://libreelec.tv)
#
# systemd 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.
[Unit]
Description=Wait For Kernel Time Synchronized
ConditionVirtualization=!container
DefaultDependencies=no
Before=time-sync.target shutdown.target
Wants=time-sync.target
Conflicts=shutdown.target
[Service]
Type=oneshot
ExecStart=/usr/bin/wait-time-sync
TimeoutStartSec=infinity
RemainAfterExit=yes
[Install]
WantedBy=sysinit.target