1 /*
2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28 /*
29 * @OSF_COPYRIGHT@
30 */
31
32 /*
33 * Define a service to map from a kernel-generated port name
34 * to server-defined "type" and "value" data to be associated
35 * with the port.
36 */
37 #include <mach/port_obj.h>
38 #include <mach/mach.h>
39
40 #define DEFAULT_TABLE_SIZE (64 * 1024)
41
42 struct port_obj_tentry *port_obj_table;
43 int port_obj_table_size = DEFAULT_TABLE_SIZE;
44
45 void
port_obj_init(int maxsize)46 port_obj_init(int maxsize)
47 {
48 kern_return_t kr;
49
50 kr = vm_allocate(mach_task_self_,
51 (vm_offset_t *)&port_obj_table,
52 (vm_size_t)(maxsize * sizeof(*port_obj_table)),
53 TRUE);
54 if (kr != KERN_SUCCESS) {
55 panic("port_obj_init: can't vm_allocate");
56 }
57 }
58