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 38 #ifndef PORT_OBJ_H 39 #define PORT_OBJ_H 40 41 #include <mach/port.h> 42 43 struct port_obj_tentry { 44 void *pos_value; 45 int pos_type; 46 }; 47 48 #include <sys/cdefs.h> 49 50 __BEGIN_DECLS 51 extern void port_obj_init(int); 52 __END_DECLS 53 54 extern struct port_obj_tentry *port_obj_table; 55 extern int port_obj_table_size; 56 57 #ifndef PORT_OBJ_ASSERT 58 59 #define port_set_obj_value_type(pname, value, type) \ 60 do { \ 61 int ndx; \ 62 \ 63 if (!port_obj_table) \ 64 port_obj_init(port_obj_table_size); \ 65 ndx = MACH_PORT_INDEX(pname); \ 66 port_obj_table[ndx].pos_value = (value); \ 67 port_obj_table[ndx].pos_type = (type); \ 68 } while (0) 69 70 #define port_get_obj_value(pname) \ 71 (port_obj_table[MACH_PORT_INDEX(pname)].pos_value) 72 73 #define port_get_obj_type(pname) \ 74 (port_obj_table[MACH_PORT_INDEX(pname)].pos_type) 75 76 #else /* PORT_OBJ_ASSERT */ 77 78 #define port_set_obj_value_type(pname, value, type) \ 79 do { \ 80 int ndx; \ 81 \ 82 if (!port_obj_table) \ 83 port_obj_init(port_obj_table_size); \ 84 ndx = MACH_PORT_INDEX(pname); \ 85 assert(ndx > 0); \ 86 assert(ndx < port_obj_table_size); \ 87 port_obj_table[ndx].pos_value = (value); \ 88 port_obj_table[ndx].pos_type = (type); \ 89 } while (0) 90 91 #define port_get_obj_value(pname) \ 92 ((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \ 93 port_obj_table[MACH_PORT_INDEX(pname)].pos_value : \ 94 (panic("port_get_obj_value: index too big"), (void *)-1)) 95 96 #define port_get_obj_type(pname) \ 97 ((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \ 98 port_obj_table[MACH_PORT_INDEX(pname)].pos_type : \ 99 (panic("port_get_obj_type: index too big"), -1)) 100 101 #endif /* PORT_OBJ_ASSERT */ 102 103 #endif /* PORT_OBJ_H */ 104