Bump libcompose and its dependencies

vendor/github.com/opencontainers/runc/libcontainer/notify_linux.go

@@ -1,63 +0,0 @@
-// +build linux
-
-package libcontainer
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"syscall"
-)
-
-const oomCgroupName = "memory"
-
-// notifyOnOOM returns channel on which you can expect event about OOM,
-// if process died without OOM this channel will be closed.
-// s is current *libcontainer.State for container.
-func notifyOnOOM(paths map[string]string) (<-chan struct{}, error) {
-	dir := paths[oomCgroupName]
-	if dir == "" {
-		return nil, fmt.Errorf("There is no path for %q in state", oomCgroupName)
-	}
-	oomControl, err := os.Open(filepath.Join(dir, "memory.oom_control"))
-	if err != nil {
-		return nil, err
-	}
-	fd, _, syserr := syscall.RawSyscall(syscall.SYS_EVENTFD2, 0, syscall.FD_CLOEXEC, 0)
-	if syserr != 0 {
-		oomControl.Close()
-		return nil, syserr
-	}
-
-	eventfd := os.NewFile(fd, "eventfd")
-
-	eventControlPath := filepath.Join(dir, "cgroup.event_control")
-	data := fmt.Sprintf("%d %d", eventfd.Fd(), oomControl.Fd())
-	if err := ioutil.WriteFile(eventControlPath, []byte(data), 0700); err != nil {
-		eventfd.Close()
-		oomControl.Close()
-		return nil, err
-	}
-	ch := make(chan struct{})
-	go func() {
-		defer func() {
-			close(ch)
-			eventfd.Close()
-			oomControl.Close()
-		}()
-		buf := make([]byte, 8)
-		for {
-			if _, err := eventfd.Read(buf); err != nil {
-				return
-			}
-			// When a cgroup is destroyed, an event is sent to eventfd.
-			// So if the control path is gone, return instead of notifying.
-			if _, err := os.Lstat(eventControlPath); os.IsNotExist(err) {
-				return
-			}
-			ch <- struct{}{}
-		}
-	}()
-	return ch, nil
-}