/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 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
* 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@
*/
-/*
- * HISTORY
- *
- * Revision 1.1.1.1 1998/09/22 21:05:28 wsanchez
- * Import of Mac OS X kernel (~semeria)
- *
- * Revision 1.2 1998/06/01 17:29:25 youngwor
- * Added infrastructure for shared port space support
- *
- * Revision 1.1.1.1 1998/03/07 02:26:16 wsanchez
- * Import of OSF Mach kernel (~mburg)
- *
- * Revision 1.2.10.1 1994/09/23 02:12:16 ezf
- * change marker to not FREE
- * [1994/09/22 21:30:49 ezf]
- *
- * Revision 1.2.2.3 1993/07/22 16:17:30 rod
- * Add ANSI prototypes. CR #9523.
- * [1993/07/22 13:33:29 rod]
- *
- * Revision 1.2.2.2 1993/06/02 23:33:55 jeffc
- * Added to OSF/1 R1.3 from NMK15.0.
- * [1993/06/02 21:11:14 jeffc]
- *
- * Revision 1.2 1992/11/25 01:09:56 robert
- * integrate changes below for norma_14
- *
- * Philippe Bernadat (bernadat) at gr.osf.org
- * Limit ipc table allocation chunks to 8 pages, otherwise
- * the kernel might dead lock because of VM_PAGE_FREE_RESERVED
- * limited to 15. [dlb@osf.org & barbou@gr.osf.org]
- * [1992/11/13 19:31:46 robert]
- *
- * Revision 1.1 1992/09/30 02:08:13 robert
- * Initial revision
- *
- * $EndLog$
- */
-/* CMU_HIST */
-/*
- * Revision 2.6 91/10/09 16:11:08 af
- * Revision 2.5.2.1 91/09/16 10:16:06 rpd
- * Removed unused variables.
- * [91/09/02 rpd]
- *
- * Revision 2.5.2.1 91/09/16 10:16:06 rpd
- * Removed unused variables.
- * [91/09/02 rpd]
- *
- * Revision 2.5 91/05/14 16:37:35 mrt
- * Correcting copyright
- *
- * Revision 2.4 91/03/16 14:48:52 rpd
- * Added ipc_table_realloc and ipc_table_reallocable.
- * [91/03/04 rpd]
- *
- * Revision 2.3 91/02/05 17:24:15 mrt
- * Changed to new Mach copyright
- * [91/02/01 15:52:05 mrt]
- *
- * Revision 2.2 90/06/02 14:51:58 rpd
- * Created for new IPC.
- * [90/03/26 21:04:20 rpd]
- *
- */
-/* CMU_ENDHIST */
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
ipc_table_size_t ipc_table_entries;
unsigned int ipc_table_entries_size = 512;
-ipc_table_size_t ipc_table_dnrequests;
-unsigned int ipc_table_dnrequests_size = 64;
+ipc_table_size_t ipc_table_requests;
+unsigned int ipc_table_requests_size = 64;
void
ipc_table_fill(
(index < num) && (size < PAGE_SIZE);
size <<= 1) {
if (size >= minsize) {
- its[index].its_size = size / elemsize;
+ its[index].its_size = (ipc_table_elems_t)(size / elemsize);
index++;
}
}
(period < 15) && (index < num);
period++, size += incrsize) {
if (size >= minsize) {
- its[index].its_size = size / elemsize;
+ its[index].its_size = (ipc_table_elems_t)(size / elemsize);
index++;
}
}
ipc_table_entries[ipc_table_entries_size - 2].its_size;
- ipc_table_dnrequests = (ipc_table_size_t)
+ ipc_table_requests = (ipc_table_size_t)
kalloc(sizeof(struct ipc_table_size) *
- ipc_table_dnrequests_size);
- assert(ipc_table_dnrequests != ITS_NULL);
+ ipc_table_requests_size);
+ assert(ipc_table_requests != ITS_NULL);
- ipc_table_fill(ipc_table_dnrequests, ipc_table_dnrequests_size - 1,
+ ipc_table_fill(ipc_table_requests, ipc_table_requests_size - 1,
2, sizeof(struct ipc_port_request));
/* the last element should have zero size */
- ipc_table_dnrequests[ipc_table_dnrequests_size - 1].its_size = 0;
+ ipc_table_requests[ipc_table_requests_size - 1].its_size = 0;
}
/*
* May block.
*/
-vm_offset_t
+void *
ipc_table_alloc(
vm_size_t size)
{
vm_offset_t table;
if (size < PAGE_SIZE)
- table = kalloc(size);
- else
- if (kmem_alloc(kalloc_map, &table, size) != KERN_SUCCESS)
- table = 0;
+ return kalloc(size);
- return table;
-}
+ if (kmem_alloc(kalloc_map, &table, size) != KERN_SUCCESS)
+ table = 0;
-/*
- * Routine: ipc_table_realloc
- * Purpose:
- * Reallocate a big table.
- *
- * The new table remaps the old table,
- * so copying is not necessary.
- * Conditions:
- * Only works for page-size or bigger tables.
- * May block.
- */
-
-vm_offset_t
-ipc_table_realloc(
- vm_size_t old_size,
- vm_offset_t old_table,
- vm_size_t new_size)
-{
- vm_offset_t new_table;
-
- if (kmem_realloc(kalloc_map, old_table, old_size,
- &new_table, new_size) != KERN_SUCCESS)
- new_table = 0;
-
- return new_table;
+ return (void *)table;
}
+
/*
* Routine: ipc_table_free
* Purpose:
void
ipc_table_free(
vm_size_t size,
- vm_offset_t table)
+ void * table)
{
if (size < PAGE_SIZE)
kfree(table, size);
else
- kmem_free(kalloc_map, table, size);
+ kmem_free(kalloc_map, (vm_offset_t)table, size);
}
projects / apple / xnu.git / blobdiff