github.com/lazyboychen7/engine@v17.12.1-ce-rc2+incompatible/daemon/logger/plugin_unix.go (about)

     1  // +build linux freebsd
     2  
     3  package logger
     4  
     5  import (
     6  	"context"
     7  	"io"
     8  
     9  	"github.com/containerd/fifo"
    10  	"github.com/pkg/errors"
    11  	"golang.org/x/sys/unix"
    12  )
    13  
    14  func openPluginStream(a *pluginAdapter) (io.WriteCloser, error) {
    15  	f, err := fifo.OpenFifo(context.Background(), a.fifoPath, unix.O_WRONLY|unix.O_CREAT|unix.O_NONBLOCK, 0700)
    16  	if err != nil {
    17  		return nil, errors.Wrapf(err, "error creating i/o pipe for log plugin: %s", a.Name())
    18  	}
    19  	return f, nil
    20  }