xnu-6153.61.1.tar.gz

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

diff --git a/osfmk/ipc/ipc_table.h b/osfmk/ipc/ipc_table.h
index 66a2d3d5a44f0c989c35cad439f7822d47229630..28e79b356e66d54ee90d1a63936c2e7ed26b7eba 100644 (file)
--- a/osfmk/ipc/ipc_table.h
+++ b/osfmk/ipc/ipc_table.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2000-2004 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
@@ -11,10 +11,10 @@
  * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,34 +22,34 @@
  * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
  */
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
- * 
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
+ *
  * Carnegie Mellon requests users of this software to return to
- * 
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
- * 
+ *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
@@ -64,8 +64,8 @@
  *     and dead-name requests (ipc_port_request_t).
  */
 
-#ifndef        _IPC_IPC_TABLE_H_
-#define        _IPC_IPC_TABLE_H_
+#ifndef _IPC_IPC_TABLE_H_
+#define _IPC_IPC_TABLE_H_
 
 #include <mach/mach_types.h>
 #include <mach/boolean.h>
@@ -102,7 +102,7 @@
  */
 
 struct ipc_table_size {
-       ipc_table_elems_t its_size;     /* number of elements in table */
+       ipc_table_elems_t its_size;     /* number of elements in table */
 };
 
 extern ipc_table_size_t ipc_table_entries;
@@ -119,30 +119,33 @@ extern void ipc_table_init(void);
 
 /* Allocate a table */
 extern void * ipc_table_alloc(
-       vm_size_t       size);
+       vm_size_t       size);
 
 /* Free a table */
 extern void ipc_table_free(
-       vm_size_t       size,
-       void *          table);
+       vm_size_t       size,
+       void *          table);
 
-#define        it_entries_alloc(its)                                           \
-       ((ipc_entry_t)                                                  \
+#define it_entries_alloc(its)                                           \
+       ((ipc_entry_t)                                                  \
         ipc_table_alloc((its)->its_size * sizeof(struct ipc_entry)))
 
-#define        it_entries_free(its, table)                                     \
-       ipc_table_free((its)->its_size * sizeof(struct ipc_entry),      \
-                      (void *)(table))
+#define it_entries_free(its, table)                                     \
+       ipc_table_free((its)->its_size * sizeof(struct ipc_entry),      \
+                      (void *)(table))
+
 
+#define it_requests_alloc(its)                                          \
+       ((ipc_port_request_t)                                           \
+        ipc_table_alloc((its)->its_size *                              \
+                        sizeof(struct ipc_port_request)))
 
-#define        it_requests_alloc(its)                                          \
-       ((ipc_port_request_t)                                           \
-        ipc_table_alloc((its)->its_size *                              \
-                        sizeof(struct ipc_port_request)))
+#define it_requests_free(its, table)                                    \
+       ipc_table_free((its)->its_size *                                \
+                      sizeof(struct ipc_port_request),                 \
+                      (void *)(table))
 
-#define        it_requests_free(its, table)                                    \
-       ipc_table_free((its)->its_size *                                \
-                      sizeof(struct ipc_port_request),                 \
-                      (void *)(table))
+extern unsigned int ipc_table_max_entries(void);
+extern unsigned int ipc_table_max_requests(void);
 
-#endif /* _IPC_IPC_TABLE_H_ */
+#endif  /* _IPC_IPC_TABLE_H_ */