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moby--moby/daemon/logger/plugin_unix.go

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// +build linux solaris freebsd
package logger
import (
"context"
"io"
"github.com/pkg/errors"
"github.com/tonistiigi/fifo"
"golang.org/x/sys/unix"
)
func openPluginStream(a *pluginAdapter) (io.WriteCloser, error) {
f, err := fifo.OpenFifo(context.Background(), a.fifoPath, unix.O_WRONLY|unix.O_CREAT|unix.O_NONBLOCK, 0700)
if err != nil {
return nil, errors.Wrapf(err, "error creating i/o pipe for log plugin: %s", a.Name())
}
return f, nil
}