| 52 | } |
| 53 | |
| 54 | long rid_bitmap_get_named(rid_bitmap_t mgr, long no) |
| 55 | { |
| 56 | long id_relative; |
| 57 | long overflow; |
| 58 | long min; |
| 59 | |
| 60 | if (mgr->id_lock) |
| 61 | { |
| 62 | rt_mutex_take(mgr->id_lock, RT_WAITING_FOREVER); |
| 63 | } |
| 64 | |
| 65 | min = mgr->min_id; |
| 66 | id_relative = no - min; |
| 67 | overflow = mgr->total_id_count; |
| 68 | if (id_relative >= min && id_relative < overflow) |
| 69 | { |
| 70 | if (rt_bitmap_test_bit(mgr->bitset, id_relative)) |
| 71 | { |
| 72 | id_relative = -RT_EBUSY; |
| 73 | } |
| 74 | else |
| 75 | { |
| 76 | rt_bitmap_set_bit(mgr->bitset, id_relative); |
| 77 | id_relative += min; |
| 78 | } |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | id_relative = -1; |
| 83 | } |
| 84 | |
| 85 | if (mgr->id_lock) |
| 86 | { |
| 87 | rt_mutex_release(mgr->id_lock); |
| 88 | } |
| 89 | return id_relative; |
| 90 | } |
| 91 | |
| 92 | void rid_bitmap_put(rid_bitmap_t mgr, long no) |
| 93 | { |
nothing calls this directly
no test coverage detected