Commit 2a65971eb0

@@ -164,6 +164,21 @@ pub const mach_vm_address_t = usize;
 pub const vm_offset_t = usize;
 pub const mach_vm_size_t = u64;
 pub const mach_msg_type_number_t = natural_t;
+pub const mach_port_right_t = natural_t;
+pub const ipc_space_t = mach_port_t;
+pub const ipc_space_port_t = ipc_space_t;
+
+pub const MACH_PORT_RIGHT = enum(mach_port_right_t) {
+    SEND = 0,
+    RECEIVE = 1,
+    SEND_ONCE = 2,
+    PORT_SET = 3,
+    DEAD_NAME = 4,
+    /// Obsolete right
+    LABELH = 5,
+    /// Right not implemented
+    NUMBER = 6,
+};
 
 extern "c" var mach_task_self_: mach_port_t;
 pub fn mach_task_self() callconv(.C) mach_port_t {
@@ -506,7 +521,12 @@ pub extern "c" fn mach_vm_protect(
     new_protection: vm_prot_t,
 ) kern_return_t;
 
-pub extern "c" fn mach_port_deallocate(target_tport: mach_port_name_t, task: mach_port_name_t) kern_return_t;
+pub extern "c" fn mach_port_allocate(
+    task: ipc_space_t,
+    right: mach_port_right_t,
+    name: *mach_port_name_t,
+) kern_return_t;
+pub extern "c" fn mach_port_deallocate(task: ipc_space_t, name: mach_port_name_t) kern_return_t;
 
 pub extern "c" fn task_info(
     target_task: task_name_t,

@@ -24,6 +24,26 @@ const mach_task = if (builtin.target.isDarwin()) struct {
             return self.port != 0;
         }
 
+        pub fn allocatePort(self: MachTask, right: std.c.MACH_PORT_RIGHT) MachError!MachTask {
+            var out_port: std.c.mach_port_name_t = undefined;
+            switch (std.c.getKernError(std.c.mach_port_allocate(
+                self.port,
+                @enumToInt(right),
+                &out_port,
+            ))) {
+                .SUCCESS => return .{ .port = out_port },
+                .FAILURE => return error.PermissionDenied,
+                else => |err| {
+                    log.err("mach_task_allocate kernel call failed with error code: {s}", .{@tagName(err)});
+                    return error.Unexpected;
+                },
+            }
+        }
+
+        pub fn deallocatePort(self: MachTask, port: MachTask) void {
+            _ = std.c.getKernError(std.c.mach_port_deallocate(self.port, port.port));
+        }
+
         pub const RegionInfo = struct {
             pub const Tag = enum {
                 basic,