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817024cea1
We need to use syscall.Settimeofday to set the time of day from snap-bootstrap in the initrd, but syscall.Timeval has architecture dependent definitions, on 32-bit systems it uses int32's, but on 64-bit systems it uses int64's, so we have to split up the actual implementation between two files. Signed-off-by: Ian Johnson <ian.johnson@canonical.com>
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2021 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package osutil
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import (
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"syscall"
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"time"
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)
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// exposed for different 32-bit vs 64-bit definitions of syscall.Timeval
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var timeToTimeval func(time.Time) *syscall.Timeval
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// exposed for mocking, since we can't actually call this without being root
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// on system running tests
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var syscallSettimeofday = syscall.Settimeofday
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// SetTime sets the time of the system using settimeofday(). This syscall needs
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// to be performed as root or with CAP_SYS_TIME.
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func SetTime(t time.Time) error {
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tv := timeToTimeval(t)
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return syscallSettimeofday(tv)
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}
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