Merge pull request #6052 from egernst/add-darwin-skeletons

Add darwin skeletons

src/runtime/pkg/resourcecontrol/cgroups_darwin.go

@@ -0,0 +1,86 @@
+// Copyright (c) 2023 Apple Inc.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package resourcecontrol
+
+import (
+	"errors"
+
+	"github.com/opencontainers/runtime-spec/specs-go"
+)
+
+type DarwinResourceController struct{}
+
+func RenameCgroupPath(path string) (string, error) {
+	return "", errors.New("RenameCgroupPath not supported on Darwin")
+}
+
+func NewResourceController(path string, resources *specs.LinuxResources) (ResourceController, error) {
+	return &DarwinResourceController{}, nil
+}
+
+func NewSandboxResourceController(path string, resources *specs.LinuxResources, sandboxCgroupOnly bool) (ResourceController, error) {
+	return &DarwinResourceController{}, nil
+}
+
+func LoadResourceController(path string) (ResourceController, error) {
+	return &DarwinResourceController{}, nil
+}
+
+func (c *DarwinResourceController) Delete() error {
+	return nil
+}
+
+func (c *DarwinResourceController) Stat() (interface{}, error) {
+	return nil, nil
+}
+
+func (c *DarwinResourceController) AddProcess(pid int, subsystems ...string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) AddThread(pid int, subsystems ...string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) AddTask(pid int, subsystems ...string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) Update(resources *specs.LinuxResources) error {
+	return nil
+}
+
+func (c *DarwinResourceController) MoveTo(path string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) ID() string {
+	return ""
+}
+
+func (c *DarwinResourceController) Parent() string {
+	return ""
+}
+
+func (c *DarwinResourceController) Type() ResourceControllerType {
+	return DarwinResourceControllerType
+}
+
+func (c *DarwinResourceController) AddDevice(deviceHostPath string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) RemoveDevice(deviceHostPath string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) UpdateCpuSet(cpuset, memset string) error {
+	return nil
+}
+
+func (c *DarwinResourceController) Path() string {
+	return ""
+}

src/runtime/pkg/resourcecontrol/controller.go

@@ -25,7 +25,8 @@ func SetLogger(logger *logrus.Entry) {
 type ResourceControllerType string
 
 const (
-	LinuxCgroups ResourceControllerType = "cgroups"
+	LinuxCgroups                 ResourceControllerType = "cgroups"
+	DarwinResourceControllerType ResourceControllerType = "darwin"
 )
 
 // String converts a resource type to a string.

src/runtime/pkg/resourcecontrol/utils.go

@@ -19,6 +19,9 @@ var (
 	ErrCgroupMode = errors.New("cgroup controller type error")
 )
 
+// DefaultResourceControllerID runtime-determined location in the cgroups hierarchy.
+const DefaultResourceControllerID = "/vc"
+
 func DeviceToCgroupDeviceRule(device string) (*devices.Rule, error) {
 	var st unix.Stat_t
 	deviceRule := devices.Rule{

src/runtime/pkg/resourcecontrol/utils_linux.go

@@ -18,9 +18,6 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-// DefaultResourceControllerID runtime-determined location in the cgroups hierarchy.
-const DefaultResourceControllerID = "/vc"
-
 // ValidCgroupPathV1 returns a valid cgroup path for cgroup v1.
 // see https://github.com/opencontainers/runtime-spec/blob/master/config-linux.md#cgroups-path
 func ValidCgroupPathV1(path string, systemdCgroup bool) (string, error) {