xnu-1228.3.13.tar.gz

[apple/xnu.git] / osfmk / ipc / port.h

diff --git a/osfmk/ipc/port.h b/osfmk/ipc/port.h
index 544f5bc9012bb154ac56d8c33c545f9cb5cf5718..6e0b8e2d17a67ca5d115ef85db4d512bcec095b9 100644 (file)
--- a/osfmk/ipc/port.h
+++ b/osfmk/ipc/port.h
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -72,9 +75,6 @@
  *     the same (unsigned) type as mach_port_name_t.
  */
 
-typedef mach_port_name_t mach_port_index_t;            /* index values */
-typedef mach_port_name_t mach_port_gen_t;              /* generation numbers */
-
 
 #define        MACH_PORT_UREFS_MAX     ((mach_port_urefs_t) ((1 << 16) - 1))
 
@@ -84,6 +84,6 @@ typedef mach_port_name_t mach_port_gen_t;             /* generation numbers */
                  (((urefs) + (delta)) > MACH_PORT_UREFS_MAX)))
 
 #define        MACH_PORT_UREFS_UNDERFLOW(urefs, delta)                         \
-               (((delta) < 0) && (-(delta) > (urefs)))
+               (((delta) < 0) && (((mach_port_urefs_t)-(delta)) > (urefs)))
 
 #endif /* _IPC_PORT_H_ */