xnu-3789.70.16.tar.gz

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

diff --git a/osfmk/ipc/ipc_right.h b/osfmk/ipc/ipc_right.h
index 06c3956ee7afae3b75d6ec0d81c67a63e142be29..a3d4af17e1f86a89926586b77da8d34771324040 100644 (file)
--- a/osfmk/ipc/ipc_right.h
+++ b/osfmk/ipc/ipc_right.h
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2000 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@
@@ -92,24 +95,25 @@ extern boolean_t ipc_right_reverse(
        mach_port_name_t        *namep,
        ipc_entry_t             *entryp);
 
-/* Make a dead-name request, returning the registered send-once right */
-extern kern_return_t ipc_right_dnrequest(
+/* Make a notification request, returning the previous send-once right */
+extern kern_return_t ipc_right_request_alloc(
        ipc_space_t             space,
        mach_port_name_t        name,
        boolean_t               immediate,
+       boolean_t               send_possible,
        ipc_port_t              notify,
        ipc_port_t              *previousp);
 
-/* Cancel a dead-name request and return the send-once right */
-extern ipc_port_t ipc_right_dncancel(
+/* Cancel a notification request and return the send-once right */
+extern ipc_port_t ipc_right_request_cancel(
        ipc_space_t             space,
        ipc_port_t              port,
        mach_port_name_t        name,
        ipc_entry_t             entry);
 
-#define        ipc_right_dncancel_macro(space, port, name, entry)              \
-                ((entry->ie_request == 0) ? IP_NULL :                  \
-                ipc_right_dncancel((space), (port), (name), (entry)))
+#define        ipc_right_request_cancel_macro(space, port, name, entry)                \
+                ((entry->ie_request == IE_REQ_NONE) ? IP_NULL :                \
+                ipc_right_request_cancel((space), (port), (name), (entry)))
 
 /* Check if an entry is being used */
 extern boolean_t ipc_right_inuse(
@@ -125,7 +129,7 @@ extern boolean_t ipc_right_check(
        ipc_entry_t             entry);
 
 /* Clean up an entry in a dead space */
-extern void ipc_right_clean(
+extern void ipc_right_terminate(
        ipc_space_t             space,
        mach_port_name_t        name,
        ipc_entry_t             entry);
@@ -134,7 +138,9 @@ extern void ipc_right_clean(
 extern kern_return_t ipc_right_destroy(
        ipc_space_t             space,
        mach_port_name_t        name,
-       ipc_entry_t             entry);
+       ipc_entry_t             entry,
+       boolean_t               check_guard,
+       uint64_t                guard);
 
 /* Release a send/send-once/dead-name user reference */
 extern kern_return_t ipc_right_dealloc(
@@ -150,6 +156,14 @@ extern kern_return_t ipc_right_delta(
        mach_port_right_t       right,
        mach_port_delta_t       delta);
 
+/* Destroy a receive right; Modify ref count for send rights */
+extern kern_return_t ipc_right_destruct(
+       ipc_space_t             space,
+       mach_port_name_t        name,
+       ipc_entry_t             entry,
+       mach_port_delta_t       srdelta,
+       uint64_t                guard);
+
 /* Retrieve information about a right */
 extern kern_return_t ipc_right_info(
        ipc_space_t             space,
@@ -173,7 +187,9 @@ extern kern_return_t ipc_right_copyin(
        mach_msg_type_name_t    msgt_name,
        boolean_t               deadok,
        ipc_object_t            *objectp,
-       ipc_port_t              *sorightp);
+       ipc_port_t              *sorightp,
+       ipc_port_t              *releasep,
+       int                     *assertcntp);
 
 /* Undo the effects of an ipc_right_copyin */
 extern void ipc_right_copyin_undo(
@@ -184,13 +200,16 @@ extern void ipc_right_copyin_undo(
        ipc_object_t            object,
        ipc_port_t              soright);
 
-/* Copyin two send rights from a space */
+/* Copyin a pair of dispositions from a space */
 extern kern_return_t ipc_right_copyin_two(
        ipc_space_t             space,
        mach_port_name_t        name,
        ipc_entry_t             entry,
+       mach_msg_type_name_t    msgt_one,
+       mach_msg_type_name_t    msgt_two,
        ipc_object_t            *objectp,
-       ipc_port_t              *sorightp);
+       ipc_port_t              *sorightp,
+       ipc_port_t              *releasep);
 
 /* Copyout a capability to a space */
 extern kern_return_t ipc_right_copyout(