projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| e9ce8d39 A |
1 | /* |
| 2 | * @OSF_COPYRIGHT@ | |
| 3 | */ | |
| 4 | ||
| 5 | /* | |
| 6 | * Define a service to map from a kernel-generated port name | |
| 7 | * to server-defined "type" and "value" data to be associated | |
| 8 | * with the port. | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef PORT_OBJ_H | |
| 12 | #define PORT_OBJ_H | |
| 13 | ||
| 14 | #include <mach/port.h> | |
| 15 | ||
| 16 | struct port_obj_tentry { | |
| 17 | void *pos_value; | |
| 18 | int pos_type; | |
| 19 | }; | |
| 20 | ||
| 21 | extern void port_obj_init(int); | |
| 22 | extern struct port_obj_tentry *port_obj_table; | |
| 23 | extern int port_obj_table_size; | |
| 24 | ||
| 25 | #ifndef PORT_OBJ_ASSERT | |
| 26 | ||
| 27 | #define port_set_obj_value_type(pname, value, type) \ | |
| 28 | do { \ | |
| 29 | int ndx; \ | |
| 30 | \ | |
| 31 | if (!port_obj_table) \ | |
| 32 | port_obj_init(port_obj_table_size); \ | |
| 33 | ndx = MACH_PORT_INDEX(pname); \ | |
| 34 | port_obj_table[ndx].pos_value = (value); \ | |
| 35 | port_obj_table[ndx].pos_type = (type); \ | |
| 36 | } while (0) | |
| 37 | ||
| 38 | #define port_get_obj_value(pname) \ | |
| 39 | (port_obj_table[MACH_PORT_INDEX(pname)].pos_value) | |
| 40 | ||
| 41 | #define port_get_obj_type(pname) \ | |
| 42 | (port_obj_table[MACH_PORT_INDEX(pname)].pos_type) | |
| 43 | ||
| 44 | #else /* PORT_OBJ_ASSERT */ | |
| 45 | ||
| 46 | #define port_set_obj_value_type(pname, value, type) \ | |
| 47 | do { \ | |
| 48 | int ndx; \ | |
| 49 | \ | |
| 50 | if (!port_obj_table) \ | |
| 51 | port_obj_init(port_obj_table_size); \ | |
| 52 | ndx = MACH_PORT_INDEX(pname); \ | |
| 53 | assert(ndx > 0); \ | |
| 54 | assert(ndx < port_obj_table_size); \ | |
| 55 | port_obj_table[ndx].pos_value = (value); \ | |
| 56 | port_obj_table[ndx].pos_type = (type); \ | |
| 57 | } while (0) | |
| 58 | ||
| 59 | #define port_get_obj_value(pname) \ | |
| 60 | ((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \ | |
| 61 | port_obj_table[MACH_PORT_INDEX(pname)].pos_value : \ | |
| 62 | (panic("port_get_obj_value: index too big"), (void *)-1)) | |
| 63 | ||
| 64 | #define port_get_obj_type(pname) \ | |
| 65 | ((MACH_PORT_INDEX(pname) < (unsigned)port_obj_table_size) ? \ | |
| 66 | port_obj_table[MACH_PORT_INDEX(pname)].pos_type : \ | |
| 67 | (panic("port_get_obj_type: index too big"), -1)) | |
| 68 | ||
| 69 | #endif /* PORT_OBJ_ASSERT */ | |
| 70 | ||
| 71 | #endif /* PORT_OBJ_H */ |