feat: add VZVmnetNetworkDeviceAttachment support (macOS 26.0)

Makefile

@@ -10,7 +10,7 @@ fmt:
 
 .PHONY: test
 test:
-	go test -p 1 -exec "go run $(PWD)/cmd/codesign" ./... -timeout 2m -v
+	go test -p 1 -exec "go run $(PWD)/cmd/codesign" ./... -timeout 3m -v
 
 .PHONY: test/run
 test/run:

example/macOS/go.mod

@@ -9,4 +9,5 @@ require github.com/Code-Hex/vz/v3 v3.0.0-00010101000000-000000000000
 require (
 	github.com/Code-Hex/go-infinity-channel v1.0.0 // indirect
 	golang.org/x/mod v0.22.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
 )

go.mod

@@ -8,4 +8,4 @@ require (
 	golang.org/x/mod v0.22.0
 )
 
-require golang.org/x/sys v0.36.0 // indirect
+require golang.org/x/sys v0.36.0

network.go

@@ -2,16 +2,18 @@ package vz
 
 /*
 #cgo darwin CFLAGS: -mmacosx-version-min=11 -x objective-c -fno-objc-arc
-#cgo darwin LDFLAGS: -lobjc -framework Foundation -framework Virtualization
+#cgo darwin LDFLAGS: -lobjc -framework Foundation -framework Virtualization -framework vmnet
 # include "virtualization_11.h"
 # include "virtualization_13.h"
+# include "virtualization_26.h"
 */
 import "C"
 import (
 	"fmt"
 	"net"
 	"os"
 	"syscall"
+	"unsafe"
 
 	"github.com/Code-Hex/vz/v3/internal/objc"
 )
@@ -260,6 +262,50 @@ func (f *FileHandleNetworkDeviceAttachment) MaximumTransmissionUnit() int {
 	return f.mtu
 }
 
+// VmnetNetworkDeviceAttachment represents a vmnet network device attachment.
+//
+// This attachment is used to connect a virtual machine to a vmnet network.
+// The attachment is created with a VmnetNetwork and can be used with a VirtioNetworkDeviceConfiguration.
+// see: https://developer.apple.com/documentation/virtualization/vzvmnetnetworkdeviceattachment?language=objc
+//
+// This is only supported on macOS 26 and newer, error will
+// be returned on older versions.
+type VmnetNetworkDeviceAttachment struct {
+	*pointer
+
+	*baseNetworkDeviceAttachment
+}
+
+func (*VmnetNetworkDeviceAttachment) String() string {
+	return "VmnetNetworkDeviceAttachment"
+}
+
+func (v *VmnetNetworkDeviceAttachment) Network() unsafe.Pointer {
+	return C.VZVmnetNetworkDeviceAttachment_network(objc.Ptr(v))
+}
+
+var _ NetworkDeviceAttachment = (*VmnetNetworkDeviceAttachment)(nil)
+
+// NewVmnetNetworkDeviceAttachment creates a new VmnetNetworkDeviceAttachment with network.
+//
+// This is only supported on macOS 26 and newer, error will
+// be returned on older versions.
+func NewVmnetNetworkDeviceAttachment(network unsafe.Pointer) (*VmnetNetworkDeviceAttachment, error) {
+	if err := macOSAvailable(26); err != nil {
+		return nil, err
+	}
+
+	attachment := &VmnetNetworkDeviceAttachment{
+		pointer: objc.NewPointer(
+			C.newVZVmnetNetworkDeviceAttachment(network),
+		),
+	}
+	objc.SetFinalizer(attachment, func(self *VmnetNetworkDeviceAttachment) {
+		objc.Release(self)
+	})
+	return attachment, nil
+}
+
 // NetworkDeviceAttachment for a network device attachment.
 // see: https://developer.apple.com/documentation/virtualization/vznetworkdeviceattachment?language=objc
 type NetworkDeviceAttachment interface {