xnu-792.25.20.tar.gz

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

diff --git a/osfmk/ipc/port.h b/osfmk/ipc/port.h
index 52ffaaf687cf676927994ea3207a09bcae0deab9..52e25a6450e10456d7e8a0fde08a9788efe02bc0 100644 (file)
--- a/osfmk/ipc/port.h
+++ b/osfmk/ipc/port.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -69,9 +69,6 @@
  *     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))
 
@@ -81,6 +78,6 @@ 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_ */