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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2021 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package osutil
import (
"syscall"
"time"
)
// exposed for different 32-bit vs 64-bit definitions of syscall.Timeval
var timeToTimeval func(time.Time) *syscall.Timeval
// exposed for mocking, since we can't actually call this without being root
// on system running tests
var syscallSettimeofday = syscall.Settimeofday
// SetTime sets the time of the system using settimeofday(). This syscall needs
// to be performed as root or with CAP_SYS_TIME.
func SetTime(t time.Time) error {
tv := timeToTimeval(t)
return syscallSettimeofday(tv)
}
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