[apple/libc.git] / mach / port_obj.c

/*
 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * 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.
 * 
 * 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_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */

/*
 * Define a service to map from a kernel-generated port name
 * to server-defined "type" and "value" data to be associated
 * with the port.
 */
#include <mach/port_obj.h>
#include <mach/mach.h>

#define DEFAULT_TABLE_SIZE	(64 * 1024)

struct port_obj_tentry *port_obj_table;
int port_obj_table_size = DEFAULT_TABLE_SIZE;

void port_obj_init(
	int maxsize)
{
	kern_return_t kr;

	kr = vm_allocate(mach_task_self(),
		(vm_offset_t *)&port_obj_table,
		(vm_size_t)(maxsize * sizeof (*port_obj_table)),
		TRUE);
	if (kr != KERN_SUCCESS)
		panic("port_obj_init: can't vm_allocate");
}
Commit	Line	Data
9385eb3d A	1	/*
	2	* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
e9ce8d39 A	25	/*
	26	* @OSF_COPYRIGHT@
	27	*/
	28
	29	/*
	30	* Define a service to map from a kernel-generated port name
	31	* to server-defined "type" and "value" data to be associated
	32	* with the port.
	33	*/
	34	#include <mach/port_obj.h>
	35	#include <mach/mach.h>
	36
	37	#define DEFAULT_TABLE_SIZE (64 * 1024)
	38
	39	struct port_obj_tentry *port_obj_table;
	40	int port_obj_table_size = DEFAULT_TABLE_SIZE;
	41
	42	void port_obj_init(
	43	int maxsize)
	44	{
	45	kern_return_t kr;
	46
	47	kr = vm_allocate(mach_task_self(),
	48	(vm_offset_t *)&port_obj_table,
	49	(vm_size_t)(maxsize * sizeof (*port_obj_table)),
	50	TRUE);
	51	if (kr != KERN_SUCCESS)
	52	panic("port_obj_init: can't vm_allocate");
	53	}