mirror of https://github.com/docker/cli.git
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
/*
|
|
Copyright The containerd Authors.
|
|
|
|
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 platforms
|
|
|
|
import (
|
|
"runtime"
|
|
"sync"
|
|
|
|
"github.com/containerd/log"
|
|
)
|
|
|
|
// Present the ARM instruction set architecture, eg: v7, v8
|
|
// Don't use this value directly; call cpuVariant() instead.
|
|
var cpuVariantValue string
|
|
|
|
var cpuVariantOnce sync.Once
|
|
|
|
func cpuVariant() string {
|
|
cpuVariantOnce.Do(func() {
|
|
if isArmArch(runtime.GOARCH) {
|
|
var err error
|
|
cpuVariantValue, err = getCPUVariant()
|
|
if err != nil {
|
|
log.L.Errorf("Error getCPUVariant for OS %s: %v", runtime.GOOS, err)
|
|
}
|
|
}
|
|
})
|
|
return cpuVariantValue
|
|
}
|