mirror of
https://github.com/linuxkit/linuxkit.git
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44 lines
1.1 KiB
Go
Vendored
44 lines
1.1 KiB
Go
Vendored
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package platforms
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import (
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"runtime"
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"sync"
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"github.com/containerd/log"
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)
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// Present the ARM instruction set architecture, eg: v7, v8
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// Don't use this value directly; call cpuVariant() instead.
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var cpuVariantValue string
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var cpuVariantOnce sync.Once
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func cpuVariant() string {
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cpuVariantOnce.Do(func() {
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if isArmArch(runtime.GOARCH) {
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var err error
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cpuVariantValue, err = getCPUVariant()
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if err != nil {
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log.L.Errorf("Error getCPUVariant for OS %s: %v", runtime.GOOS, err)
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}
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}
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})
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return cpuVariantValue
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}
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