X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..b226f5e54a60dc81db17b1260381d7dbfea3cdf1:/osfmk/ipc/ipc_table.h?ds=sidebyside

diff --git a/osfmk/ipc/ipc_table.h b/osfmk/ipc/ipc_table.h
index fee1cb97d..2b092bbca 100644
--- a/osfmk/ipc/ipc_table.h
+++ b/osfmk/ipc/ipc_table.h
@@ -1,23 +1,29 @@
 /*
  * 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@
@@ -100,69 +106,46 @@ struct ipc_table_size {
 };
 
 extern ipc_table_size_t ipc_table_entries;
-extern ipc_table_size_t ipc_table_dnrequests;
+extern ipc_table_size_t ipc_table_requests;
 
 /* Initialize IPC capabilities table storage */
 extern void ipc_table_init(void);
 
 /*
- *	Note that ipc_table_alloc, ipc_table_realloc, and ipc_table_free
- *	all potentially use the VM system.  Hence simple locks can't
+ *	Note that ipc_table_alloc and ipc_table_free
+ *	potentially use the VM system.  Hence simple locks can't
  *	be held across them.
- *
- *	We can't use a copying realloc, because the realloc happens
- *	with the data unlocked.  ipc_table_realloc remaps the data,
- *	so it is OK.
  */
 
 /* Allocate a table */
 extern void * ipc_table_alloc(
 	vm_size_t	size);
 
-/* Reallocate a big table */
-extern void * ipc_table_realloc(
-	vm_size_t	old_size,
-	void *		old_table,
-	vm_size_t	new_size);
-
 /* Free a table */
 extern void ipc_table_free(
 	vm_size_t	size,
 	void *		table);
 
-#define it_entries_reallocable(its)					\
-	((its)->its_size * sizeof(struct ipc_entry) >= PAGE_SIZE)
-
 #define	it_entries_alloc(its)						\
 	((ipc_entry_t)							\
-	ipc_table_alloc(it_entries_reallocable(its) ?			\
-	    round_page((its)->its_size * sizeof(struct ipc_entry)) :	\
-	    (its)->its_size * sizeof(struct ipc_entry)			\
-	))
-
-#define	it_entries_realloc(its, table, nits)				\
-	((ipc_entry_t)							\
-	ipc_table_realloc(						\
-	    round_page((its)->its_size * sizeof(struct ipc_entry)),	\
-	    (void *)(table),					\
-	    round_page((nits)->its_size * sizeof(struct ipc_entry))	\
-	))
+	 ipc_table_alloc((its)->its_size * sizeof(struct ipc_entry)))
 
 #define	it_entries_free(its, table)					\
-	ipc_table_free(it_entries_reallocable(its) ?			\
-	    round_page((its)->its_size * sizeof(struct ipc_entry)) :	\
-	    (its)->its_size * sizeof(struct ipc_entry),			\
-	    (void *)(table)					\
-	)
+	ipc_table_free((its)->its_size * sizeof(struct ipc_entry),	\
+		       (void *)(table))
 
-#define	it_dnrequests_alloc(its)					\
+
+#define	it_requests_alloc(its)						\
 	((ipc_port_request_t)						\
 	 ipc_table_alloc((its)->its_size *				\
 			 sizeof(struct ipc_port_request)))
 
-#define	it_dnrequests_free(its, 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_ */