| 1331 |
|
|
| 1332 |
int load_menu_shm(MENU_SET *p_menu_set) |
int load_menu_shm(MENU_SET *p_menu_set) |
| 1333 |
{ |
{ |
| 1334 |
// Mount shared memory |
void *p_shm; |
| 1335 |
if (p_menu_set->p_reserved == NULL) |
|
| 1336 |
|
// Remap shared memory in read-only mode |
| 1337 |
|
p_shm = shmat(p_menu_set->shmid, p_menu_set->p_reserved, SHM_RDONLY | SHM_REMAP); |
| 1338 |
|
if (p_shm == (void *)-1) |
| 1339 |
{ |
{ |
| 1340 |
p_menu_set->p_reserved = shmat(p_menu_set->shmid, NULL, SHM_RDONLY); |
log_error("shmat() error (%d)\n", errno); |
| 1341 |
if (p_menu_set->p_reserved == (void *)-1) |
return -1; |
|
{ |
|
|
log_error("shmat() error (%d)\n", errno); |
|
|
return -1; |
|
|
} |
|
| 1342 |
} |
} |
| 1343 |
|
|
| 1344 |
p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH; |
p_menu_set->p_reserved = p_shm; |
|
p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS; |
|
|
p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS; |
|
|
p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS; |
|
|
p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf; |
|
|
|
|
|
// Restore status varaibles into reserved memory area |
|
|
p_menu_set->menu_count = *((int16_t *)p_menu_set->p_reserved); |
|
|
p_menu_set->menu_item_count = *(((int16_t *)p_menu_set->p_reserved) + 1); |
|
|
p_menu_set->menu_screen_count = *(((int16_t *)p_menu_set->p_reserved) + 2); |
|
|
|
|
|
p_menu_set->choose_step = 0; |
|
|
p_menu_set->menu_id_path[0] = 0; |
|
|
|
|
|
p_menu_set->p_menu_name_dict = NULL; |
|
|
p_menu_set->p_menu_screen_dict = NULL; |
|
| 1345 |
|
|
| 1346 |
return 0; |
return 0; |
| 1347 |
} |
} |
| 1366 |
} |
} |
| 1367 |
p_menu_set->p_reserved = NULL; |
p_menu_set->p_reserved = NULL; |
| 1368 |
|
|
| 1369 |
|
if (p_menu_set->p_menu_name_dict != NULL) |
| 1370 |
|
{ |
| 1371 |
|
trie_dict_destroy(p_menu_set->p_menu_name_dict); |
| 1372 |
|
p_menu_set->p_menu_name_dict = NULL; |
| 1373 |
|
} |
| 1374 |
|
|
| 1375 |
|
if (p_menu_set->p_menu_screen_dict != NULL) |
| 1376 |
|
{ |
| 1377 |
|
trie_dict_destroy(p_menu_set->p_menu_screen_dict); |
| 1378 |
|
p_menu_set->p_menu_screen_dict = NULL; |
| 1379 |
|
} |
| 1380 |
|
|
| 1381 |
return 0; |
return 0; |
| 1382 |
} |
} |