Merge pull request #15530 from dfr/freebsd-conmon

libpod: Make sure writeConmonPipeData is called on FreeBSD

libpod/oci_conmon_freebsd.go

@@ -19,6 +19,9 @@ func (r *ConmonOCIRuntime) withContainerSocketLabel(ctr *Container, closure func
 // moveConmonToCgroupAndSignal gets a container's cgroupParent and moves the conmon process to that cgroup
 // it then signals for conmon to start by sending nonce data down the start fd
 func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec.Cmd, startFd *os.File) error {
-	// No equivalent on FreeBSD
+	// No equivalent to cgroup on FreeBSD, just signal conmon to start
+	if err := writeConmonPipeData(startFd); err != nil {
+		return err
+	}
 	return nil
 }