diff options
Diffstat (limited to 'src/bitmap.h')
| -rw-r--r-- | src/bitmap.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/bitmap.h b/src/bitmap.h index 39ca55b..7bd3106 100644 --- a/src/bitmap.h +++ b/src/bitmap.h @@ -40,6 +40,11 @@ static inline mi_bitmap_index_t mi_bitmap_index_create(size_t idx, size_t bitidx return (idx*MI_BITMAP_FIELD_BITS) + bitidx; } +// Create a bit index. +static inline mi_bitmap_index_t mi_bitmap_index_create_from_bit(size_t full_bitidx) { + return mi_bitmap_index_create(full_bitidx / MI_BITMAP_FIELD_BITS, full_bitidx % MI_BITMAP_FIELD_BITS); +} + // Get the field index from a bit index. static inline size_t mi_bitmap_index_field(mi_bitmap_index_t bitmap_idx) { return (bitmap_idx / MI_BITMAP_FIELD_BITS); @@ -69,7 +74,7 @@ bool _mi_bitmap_try_find_from_claim(mi_bitmap_t bitmap, const size_t bitmap_fiel // Set `count` bits at `bitmap_idx` to 0 atomically // Returns `true` if all `count` bits were 1 previously. -bool mi_bitmap_unclaim(mi_bitmap_t bitmap, size_t bitmap_fields, size_t count, mi_bitmap_index_t bitmap_idx); +bool _mi_bitmap_unclaim(mi_bitmap_t bitmap, size_t bitmap_fields, size_t count, mi_bitmap_index_t bitmap_idx); // Set `count` bits at `bitmap_idx` to 1 atomically // Returns `true` if all `count` bits were 0 previously. `any_zero` is `true` if there was at least one zero bit. |