pkg/libcontainer/namespaces/pid.go
Michael Crosby 0a67ddd8c9 Rename nsinit package to namespaces in libcontainer
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-06-04 15:47:57 -07:00

28 lines
745 B
Go

package namespaces
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
)
// WritePid writes the namespaced processes pid to pid and it's start time
// to the path specified
func WritePid(path string, pid int, startTime string) error {
err := ioutil.WriteFile(filepath.Join(path, "pid"), []byte(fmt.Sprint(pid)), 0655)
if err != nil {
return err
}
return ioutil.WriteFile(filepath.Join(path, "start"), []byte(startTime), 0655)
}
// DeletePid removes the pid and started file from disk when the container's process
// dies and the container is cleanly removed
func DeletePid(path string) error {
err := os.Remove(filepath.Join(path, "pid"))
if serr := os.Remove(filepath.Join(path, "start")); err == nil {
err = serr
}
return err
}