/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_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 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.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * @OSF_COPYRIGHT@
- */
-/*
- * HISTORY
- *
- * Revision 1.1.1.1 1998/09/22 21:05:28 wsanchez
- * Import of Mac OS X kernel (~semeria)
- *
- * Revision 1.2 1998/05/29 23:50:33 youngwor
- * Added infrastructure for shared port space support
+ * @APPLE_LICENSE_OSREFERENCE_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. 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.
*
- * Revision 1.1.1.1 1998/03/07 02:26:16 wsanchez
- * Import of OSF Mach kernel (~mburg)
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
*
- * Revision 1.1.8.3 1995/01/06 19:46:05 devrcs
- * mk6 CR668 - 1.3b26 merge
- * 64bit cleanup
- * [1994/10/14 03:41:41 dwm]
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * Revision 1.1.8.2 1994/09/23 02:12:26 ezf
- * change marker to not FREE
- * [1994/09/22 21:30:53 ezf]
- *
- * Revision 1.1.8.1 1994/08/18 23:11:45 widyono
- * RT IPC from RT2_SHARED
- * [1994/08/18 15:49:24 widyono]
- *
- * Revision 1.1.6.1 1994/07/29 07:33:22 widyono
- * Define default target size, ITS_SIZE_NONE
- * [1994/07/28 22:27:01 widyono]
- *
- * Revision 1.1.2.4 1993/07/22 16:17:33 rod
- * Add ANSI prototypes. CR #9523.
- * [1993/07/22 13:33:33 rod]
- *
- * Revision 1.1.2.3 1993/06/07 22:11:46 jeffc
- * CR9176 - ANSI C violations: trailing tokens on CPP
- * directives, extra semicolons after decl_ ..., asm keywords
- * [1993/06/07 19:02:58 jeffc]
- *
- * Revision 1.1.2.2 1993/06/02 23:34:02 jeffc
- * Added to OSF/1 R1.3 from NMK15.0.
- * [1993/06/02 21:11:17 jeffc]
- *
- * Revision 1.1 1992/09/30 02:29:14 robert
- * Initial revision
- *
- * $EndLog$
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
-/* CMU_HIST */
/*
- * Revision 2.5 91/05/14 16:37:52 mrt
- * Correcting copyright
- *
- * Revision 2.4 91/03/16 14:49:01 rpd
- * Added ipc_table_realloc.
- * [91/03/04 rpd]
- *
- * Revision 2.3 91/02/05 17:24:19 mrt
- * Changed to new Mach copyright
- * [91/02/01 15:52:19 mrt]
- *
- * Revision 2.2 90/06/02 14:52:02 rpd
- * Created for new IPC.
- * [90/03/26 21:04:35 rpd]
- *
+ * @OSF_COPYRIGHT@
*/
-/* CMU_ENDHIST */
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
#ifndef _IPC_IPC_TABLE_H_
#define _IPC_IPC_TABLE_H_
+#include <mach/mach_types.h>
#include <mach/boolean.h>
#include <mach/vm_param.h>
+#include <ipc/ipc_types.h>
+
/*
* The is_table_next field of an ipc_space_t points to
* an ipc_table_size structure. These structures must
* The ipr_size field points to the currently used ipc_table_size.
*/
-typedef natural_t ipc_table_index_t; /* index into tables */
-typedef natural_t ipc_table_elems_t; /* size of tables */
-
-typedef struct ipc_table_size {
+struct ipc_table_size {
ipc_table_elems_t its_size; /* number of elements in table */
-} *ipc_table_size_t;
-
-#define ITS_NULL ((ipc_table_size_t) 0)
-#define ITS_SIZE_NONE -1
+};
extern ipc_table_size_t ipc_table_entries;
extern ipc_table_size_t ipc_table_dnrequests;
*/
/* Allocate a table */
-extern vm_offset_t ipc_table_alloc(
+extern void * ipc_table_alloc(
vm_size_t size);
/* Reallocate a big table */
-extern vm_offset_t ipc_table_realloc(
+extern void * ipc_table_realloc(
vm_size_t old_size,
- vm_offset_t old_table,
+ void * old_table,
vm_size_t new_size);
/* Free a table */
extern void ipc_table_free(
vm_size_t size,
- vm_offset_t table);
+ 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(round_page( \
- (its)->its_size * sizeof(struct ipc_entry))))
-
-#define it_entries_reallocable(its) \
- ((its)->its_size * sizeof(struct ipc_entry) \
- >= PAGE_SIZE)
+ 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)), \
- (vm_offset_t)(table), \
+ (void *)(table), \
round_page((nits)->its_size * sizeof(struct ipc_entry)) \
))
#define it_entries_free(its, table) \
- ipc_table_free( \
- round_page((its)->its_size * sizeof(struct ipc_entry)), \
- (vm_offset_t)(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) \
)
#define it_dnrequests_alloc(its) \
#define it_dnrequests_free(its, table) \
ipc_table_free((its)->its_size * \
sizeof(struct ipc_port_request), \
- (vm_offset_t)(table))
+ (void *)(table))
#endif /* _IPC_IPC_TABLE_H_ */
projects / apple / xnu.git / blobdiff