/*
* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @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.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ 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.
*
- * 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
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @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.
*/
* 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>
*/
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;
-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);
+ vm_size_t 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)) \
- ))
-
-#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) \
- )
-
-#define it_dnrequests_alloc(its) \
- ((ipc_port_request_t) \
- ipc_table_alloc((its)->its_size * \
- sizeof(struct ipc_port_request)))
-
-#define it_dnrequests_free(its, table) \
- ipc_table_free((its)->its_size * \
- sizeof(struct ipc_port_request), \
- (void *)(table))
-
-#endif /* _IPC_IPC_TABLE_H_ */
+ vm_size_t size,
+ void * table);
+
+#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_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))
+
+extern unsigned int ipc_table_max_entries(void);
+extern unsigned int ipc_table_max_requests(void);
+
+#endif /* _IPC_IPC_TABLE_H_ */
projects / apple / xnu.git / blobdiff