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104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/*
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* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* @OSF_COPYRIGHT@
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*/
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/*
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* Define a service to map from a kernel-generated port name
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* to server-defined "type" and "value" data to be associated
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* with the port.
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*/
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#ifndef PORT_OBJ_H
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#define PORT_OBJ_H
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#include <mach/port.h>
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struct port_obj_tentry {
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void *pos_value;
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int pos_type;
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};
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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extern void port_obj_init(int);
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__END_DECLS
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extern struct port_obj_tentry *port_obj_table;
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extern int port_obj_table_size;
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#ifndef PORT_OBJ_ASSERT
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#define port_set_obj_value_type(pname, value, type) \
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do { \
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int ndx; \
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\
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if (!port_obj_table) \
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port_obj_init(port_obj_table_size); \
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ndx = MACH_PORT_INDEX(pname); \
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port_obj_table[ndx].pos_value = (value); \
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port_obj_table[ndx].pos_type = (type); \
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} while (0)
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#define port_get_obj_value(pname) \
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(port_obj_table[MACH_PORT_INDEX(pname)].pos_value)
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#define port_get_obj_type(pname) \
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(port_obj_table[MACH_PORT_INDEX(pname)].pos_type)
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#else /* PORT_OBJ_ASSERT */
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#define port_set_obj_value_type(pname, value, type) \
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do { \
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int ndx; \
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\
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if (!port_obj_table) \
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port_obj_init(port_obj_table_size); \
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ndx = MACH_PORT_INDEX(pname); \
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assert(ndx > 0); \
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assert(ndx < port_obj_table_size); \
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port_obj_table[ndx].pos_value = (value); \
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port_obj_table[ndx].pos_type = (type); \
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} while (0)
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#define port_get_obj_value(pname) \
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((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \
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port_obj_table[MACH_PORT_INDEX(pname)].pos_value : \
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(panic("port_get_obj_value: index too big"), (void *)-1))
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#define port_get_obj_type(pname) \
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((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \
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port_obj_table[MACH_PORT_INDEX(pname)].pos_type : \
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(panic("port_get_obj_type: index too big"), -1))
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#endif /* PORT_OBJ_ASSERT */
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#endif /* PORT_OBJ_H */
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