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1 /*

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,

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23 * Please see the License for the specific language governing rights and

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26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

27 */

28 /*

29 * @OSF_COPYRIGHT@

30 */

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>

40 #define DEFAULT_TABLE_SIZE (64 * 1024)

42 struct port_obj_tentry *port_obj_table;

43 int port_obj_table_size = DEFAULT_TABLE_SIZE;

45 void

46 port_obj_init(int maxsize)

47 {

48 kern_return_t kr;

50 kr = vm_allocate(mach_task_self_,

51 (vm_offset_t *)&port_obj_table,

             (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 }