ab35df454d
Removed pre-go1.17 build-tags with go fix;
go mod init
go fix -mod=readonly ./...
rm go.mod
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
30 lines
679 B
Go
30 lines
679 B
Go
//go:build linux
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package overlay2 // import "github.com/docker/docker/daemon/graphdriver/overlay2"
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import (
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"runtime"
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"golang.org/x/sys/unix"
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)
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func mountFrom(dir, device, target, mType string, flags uintptr, label string) error {
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chErr := make(chan error, 1)
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go func() {
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runtime.LockOSThread()
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// Do not unlock this thread as the thread state cannot be restored
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// We do not want go to re-use this thread for anything else.
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if err := unix.Unshare(unix.CLONE_FS); err != nil {
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chErr <- err
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return
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}
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if err := unix.Chdir(dir); err != nil {
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chErr <- err
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return
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}
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chErr <- unix.Mount(device, target, mType, flags, label)
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}()
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return <-chErr
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}
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