projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9385eb3d A |
1 | /* |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 59e0d9fe A |
6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 7 | * | |
| 9385eb3d A |
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 | ||
| 35 | #ifndef PORT_OBJ_H | |
| 36 | #define PORT_OBJ_H | |
| 37 | ||
| 38 | #include <mach/port.h> | |
| 39 | ||
| 40 | struct port_obj_tentry { | |
| 41 | void *pos_value; | |
| 42 | int pos_type; | |
| 43 | }; | |
| 44 | ||
| 9385eb3d A |
45 | #include <sys/cdefs.h> |
| 46 | ||
| 47 | __BEGIN_DECLS | |
| e9ce8d39 A |
48 | extern void port_obj_init(int); |
| 49 | extern struct port_obj_tentry *port_obj_table; | |
| 50 | extern int port_obj_table_size; | |
| 9385eb3d | 51 | __END_DECLS |
| e9ce8d39 A |
52 | |
| 53 | #ifndef PORT_OBJ_ASSERT | |
| 54 | ||
| 55 | #define port_set_obj_value_type(pname, value, type) \ | |
| 56 | do { \ | |
| 57 | int ndx; \ | |
| 58 | \ | |
| 59 | if (!port_obj_table) \ | |
| 60 | port_obj_init(port_obj_table_size); \ | |
| 61 | ndx = MACH_PORT_INDEX(pname); \ | |
| 62 | port_obj_table[ndx].pos_value = (value); \ | |
| 63 | port_obj_table[ndx].pos_type = (type); \ | |
| 64 | } while (0) | |
| 65 | ||
| 66 | #define port_get_obj_value(pname) \ | |
| 67 | (port_obj_table[MACH_PORT_INDEX(pname)].pos_value) | |
| 68 | ||
| 69 | #define port_get_obj_type(pname) \ | |
| 70 | (port_obj_table[MACH_PORT_INDEX(pname)].pos_type) | |
| 71 | ||
| 72 | #else /* PORT_OBJ_ASSERT */ | |
| 73 | ||
| 74 | #define port_set_obj_value_type(pname, value, type) \ | |
| 75 | do { \ | |
| 76 | int ndx; \ | |
| 77 | \ | |
| 78 | if (!port_obj_table) \ | |
| 79 | port_obj_init(port_obj_table_size); \ | |
| 80 | ndx = MACH_PORT_INDEX(pname); \ | |
| 81 | assert(ndx > 0); \ | |
| 82 | assert(ndx < port_obj_table_size); \ | |
| 83 | port_obj_table[ndx].pos_value = (value); \ | |
| 84 | port_obj_table[ndx].pos_type = (type); \ | |
| 85 | } while (0) | |
| 86 | ||
| 87 | #define port_get_obj_value(pname) \ | |
| 88 | ((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \ | |
| 89 | port_obj_table[MACH_PORT_INDEX(pname)].pos_value : \ | |
| 90 | (panic("port_get_obj_value: index too big"), (void *)-1)) | |
| 91 | ||
| 92 | #define port_get_obj_type(pname) \ | |
| 93 | ((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \ | |
| 94 | port_obj_table[MACH_PORT_INDEX(pname)].pos_type : \ | |
| 95 | (panic("port_get_obj_type: index too big"), -1)) | |
| 96 | ||
| 97 | #endif /* PORT_OBJ_ASSERT */ | |
| 98 | ||
| 99 | #endif /* PORT_OBJ_H */ |