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 52ffaaf687cf676927994ea3207a09bcae0deab9..6e0b8e2d17a67ca5d115ef85db4d512bcec095b9 100644 (file)
--- a/osfmk/ipc/port.h
+++ b/osfmk/ipc/port.h
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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@
@@ -69,9 +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))
 
@@ -81,6 +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_ */