Windows Support: Fix Build Regressions, Tests Pass

pkg/util/exec_linux.go

@@ -0,0 +1,42 @@
+/*
+Copyright 2021 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package util
+
+import (
+	"fmt"
+	"os/exec"
+	"syscall"
+)
+
+// Exec creates a new process with the specified arguments.
+func Exec(name string, arg ...string) *exec.Cmd {
+	// create a process group
+	sysProcAttr := &syscall.SysProcAttr{
+		Setpgid: true,
+	}
+	cmd := exec.Command(name, arg...)
+	cmd.SysProcAttr = sysProcAttr
+	return cmd
+}
+
+// Kill the process and subprocesses.
+func Kill(cmd *exec.Cmd) error {
+	if cmd.Process == nil {
+		return fmt.Errorf("%v does not have a process handle", cmd)
+	}
+	return syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL)
+}