Undo accidental revert of commits (#289)

#288 accidentally reverted #282 and #284.

Sources/Containerization/ContainerManager.swift

@@ -45,6 +45,7 @@ public struct ContainerManager: Sendable {
     @available(macOS 26.0, *)
     public struct VmnetNetwork: Network {
         private var allocator: Allocator
+        // `reference` isn't used concurrently.
         nonisolated(unsafe) private let reference: vmnet_network_ref
 
         /// The IPv4 subnet of this network.
@@ -94,6 +95,7 @@ public struct ContainerManager: Sendable {
             public let gateway: String?
             public let macAddress: String?
 
+            // `reference` isn't used concurrently.
             nonisolated(unsafe) private let reference: vmnet_network_ref
 
             public init(
@@ -478,9 +480,4 @@ extension CIDRAddress {
     }
 }
 
-@available(macOS 26.0, *)
-private struct SendableReference: Sendable {
-    nonisolated(unsafe) private let reference: vmnet_network_ref
-}
-
 #endif

Sources/Containerization/Image/ImageStore/ImageStore+Export.swift

@@ -24,14 +24,14 @@ import Crypto
 import Foundation
 
 extension ImageStore {
-    internal struct ExportOperation {
+    public struct ExportOperation: Sendable {
         let name: String
         let tag: String
         let contentStore: ContentStore
         let client: ContentClient
         let progress: ProgressHandler?
 
-        init(name: String, tag: String, contentStore: ContentStore, client: ContentClient, progress: ProgressHandler? = nil) {
+        public init(name: String, tag: String, contentStore: ContentStore, client: ContentClient, progress: ProgressHandler? = nil) {
             self.contentStore = contentStore
             self.client = client
             self.progress = progress
@@ -40,7 +40,7 @@ extension ImageStore {
         }
 
         @discardableResult
-        internal func export(index: Descriptor, platforms: (Platform) -> Bool) async throws -> Descriptor {
+        public func export(index: Descriptor, platforms: (Platform) -> Bool) async throws -> Descriptor {
             var pushQueue: [[Descriptor]] = []
             var current: [Descriptor] = [index]
             while !current.isEmpty {

Sources/Containerization/Image/ImageStore/ImageStore+Import.swift

@@ -22,7 +22,7 @@ import ContainerizationOCI
 import Foundation
 
 extension ImageStore {
-    internal struct ImportOperation {
+    public struct ImportOperation: Sendable {
         static let decoder = JSONDecoder()
 
         let client: ContentClient
@@ -31,7 +31,7 @@ extension ImageStore {
         let progress: ProgressHandler?
         let name: String
 
-        init(name: String, contentStore: ContentStore, client: ContentClient, ingestDir: URL, progress: ProgressHandler? = nil) {
+        public init(name: String, contentStore: ContentStore, client: ContentClient, ingestDir: URL, progress: ProgressHandler? = nil) {
             self.client = client
             self.ingestDir = ingestDir
             self.contentStore = contentStore
@@ -40,7 +40,7 @@ extension ImageStore {
         }
 
         /// Pull the required image layers for the provided descriptor and platform(s) into the given directory using the provided client. Returns a descriptor to the Index manifest.
-        internal func `import`(root: Descriptor, matcher: (ContainerizationOCI.Platform) -> Bool) async throws -> Descriptor {
+        public func `import`(root: Descriptor, matcher: (ContainerizationOCI.Platform) -> Bool) async throws -> Descriptor {
             var toProcess = [root]
             while !toProcess.isEmpty {
                 // Count the total number of blobs and their size
@@ -123,14 +123,14 @@ extension ImageStore {
                 for _ in 0..<8 {
                     if let desc = iterator.next() {
                         group.addTask {
-                            try await fetch(desc)
+                            try await self.fetch(desc)
                         }
                     }
                 }
                 for try await _ in group {
                     if let desc = iterator.next() {
                         group.addTask {
-                            try await fetch(desc)
+                            try await self.fetch(desc)
                         }
                     }
                 }

Sources/Containerization/NATNetworkInterface.swift

@@ -31,6 +31,7 @@ public final class NATNetworkInterface: Interface, Sendable {
     public let macAddress: String?
 
     @available(macOS 26, *)
+    // `reference` isn't used concurrently.
     public nonisolated(unsafe) let reference: vmnet_network_ref!
 
     @available(macOS 26, *)

Sources/Containerization/UnixSocketRelay.swift

@@ -267,6 +267,7 @@ extension SocketRelay {
             )
         }
 
+        // `buf1` isn't used concurrently.
         nonisolated(unsafe) let buf1 = UnsafeMutableBufferPointer<UInt8>.allocate(capacity: Int(getpagesize()))
         connSource.setEventHandler {
             Self.fdCopyHandler(
@@ -278,6 +279,7 @@ extension SocketRelay {
         }
 
         nonisolated(unsafe) let buf2 = UnsafeMutableBufferPointer<UInt8>.allocate(capacity: Int(getpagesize()))
+        // `buf2` isn't used concurrently.
         vsockConnectionSource.setEventHandler {
             Self.fdCopyHandler(
                 buffer: buf2,

Sources/Containerization/VZVirtualMachineInstance.swift

@@ -68,6 +68,7 @@ struct VZVirtualMachineInstance: VirtualMachineInstance, Sendable {
         }
     }
 
+    // `vm` isn't used concurrently.
     private nonisolated(unsafe) let vm: VZVirtualMachine
     private let queue: DispatchQueue
     private let group: MultiThreadedEventLoopGroup

Sources/ContainerizationOS/AsyncSignalHandler.swift

@@ -53,6 +53,7 @@ public final class AsyncSignalHandler: Sendable {
 
     struct State: Sendable {
         var conts: [AsyncStream<Int32>.Continuation] = []
+        // `sources` isn't used concurrently.
         nonisolated(unsafe) var sources: [any DispatchSourceSignal] = []
     }
 

Sources/Integration/ProcessTests.swift

@@ -62,6 +62,7 @@ extension IntegrationSuite {
     }
 
     final class BufferWriter: Writer {
+        // `data` isn't used concurrently.
         nonisolated(unsafe) var data = Data()
 
         func write(_ data: Data) throws {