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moby--moby/daemon/execdriver/native/utils.go
Michael Crosby ed556fb38f Update docker with syncpipe changes
We removed the syncpipe package and replaced it with specific calls to
create a new *os.File from a specified fd passed to the process.  This
reduced code and an extra object to manage the container's init
lifecycle.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2014-11-06 01:14:13 +00:00

29 lines
563 B
Go

// +build linux
package native
import (
"encoding/json"
"os"
"github.com/docker/libcontainer"
)
func findUserArgs() []string {
for i, a := range os.Args {
if a == "--" {
return os.Args[i+1:]
}
}
return []string{}
}
// loadConfigFromFd loads a container's config from the sync pipe that is provided by
// fd 3 when running a process
func loadConfigFromFd() (*libcontainer.Config, error) {
var config *libcontainer.Config
if err := json.NewDecoder(os.NewFile(3, "child")).Decode(&config); err != nil {
return nil, err
}
return config, nil
}