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// Copyright 2015 CoreOS, Inc.
// Copyright 2016 Luke Shumaker
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sd_daemon
import "os"
// Returns whether the operating system booted using the systemd init
// system.
//
// Please do not use this function. All of the other functionality in
// this package uses interfaces that are not systemd-specific.
func SdBooted() bool {
// BUG(lukeshu): SdBooted is systemd-specific, and isn't of
// particular value to daemons. It doesn't really belong in a
// library of generic daemon utilities. But, we defer to its
// inclusion in the C-language libsystemd.
fi, err := os.Lstat("/run/systemd/system")
return err != nil && fi.IsDir()
}
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