Update for Xcode 16

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 5.7
+// swift-tools-version: 5.10
 
 import PackageDescription
 

Sources/Tun2SocksKit/Tunnel.swift

@@ -3,14 +3,15 @@ import HevSocks5Tunnel
 import Tun2SocksKitC
 
 public enum Socks5Tunnel {
+
     private static var tunnelFileDescriptor: Int32? {
         var ctlInfo = ctl_info()
         withUnsafeMutablePointer(to: &ctlInfo.ctl_name) {
             $0.withMemoryRebound(to: CChar.self, capacity: MemoryLayout.size(ofValue: $0.pointee)) {
                 _ = strcpy($0, "com.apple.net.utun_control")
             }
         }
-        for fd: Int32 in 0 ... 1024 {
+        for fd: Int32 in 0...1024 {
             var addr = sockaddr_ctl()
             var ret: Int32 = -1
             var len = socklen_t(MemoryLayout.size(ofValue: addr))
@@ -36,7 +37,7 @@ public enum Socks5Tunnel {
     }
 
     private static var interfaceName: String? {
-        guard let tunnelFileDescriptor = tunnelFileDescriptor else {
+        guard let tunnelFileDescriptor = self.tunnelFileDescriptor else {
             return nil
         }
         var buffer = [UInt8](repeating: 0, count: Int(IFNAMSIZ))
@@ -60,14 +61,17 @@ public enum Socks5Tunnel {
         }
     }
 
-    @discardableResult
-    public static func run(withConfig filePath: String) -> Int32 {
-        guard let fileDescriptor = tunnelFileDescriptor else {
+    public static func run(withConfig filePath: String, completionHandler: @escaping (Int32) -> ()) {
+        guard let fileDescriptor = self.tunnelFileDescriptor else {
             fatalError("Get tunnel file descriptor failed.")
         }
-        return hev_socks5_tunnel_main(filePath.cString(using: .utf8), fileDescriptor)
-    }
 
+        DispatchQueue.global(qos: .userInitiated).async { [completionHandler] () in
+            let code = hev_socks5_tunnel_main(filePath.cString(using: .utf8), fileDescriptor)
+            completionHandler(code)
+        }
+    }
+
     public static func quit() {
         hev_socks5_tunnel_quit()
     }

Sources/Tun2SocksKitC/Tun2SocksKitC.h

@@ -1,14 +1,16 @@
 #ifndef Tun2SocksKitC_H
 #define Tun2SocksKitC_H
 
-#include <stdint.h>
+#include <stdint.h>    // For uint32_t, uint16_t
+#include <sys/types.h> // For u_int32_t, u_int16_t, u_char
 
 #define CTLIOCGINFO 0xc0644e03UL
 
 struct ctl_info {
     u_int32_t   ctl_id;
     char        ctl_name[96];
 };
+
 struct sockaddr_ctl {
     u_char      sc_len;
     u_char      sc_family;