2023-04-26 23:31:00

1 files changed, 4 insertions, 0 deletions

diff --git a/source/luametatex/source/libraries/mimalloc/src/bitmap.h b/source/luametatex/source/libraries/mimalloc/src/bitmap.h
index 3476ea46b..0a765c714 100644
--- a/source/luametatex/source/libraries/mimalloc/src/bitmap.h
+++ b/source/luametatex/source/libraries/mimalloc/src/bitmap.h
@@ -80,6 +80,10 @@ bool _mi_bitmap_try_find_from_claim_pred(mi_bitmap_t bitmap, const size_t bitmap
 // 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);
 
+// Try to set `count` bits at `bitmap_idx` from 0 to 1 atomically. 
+// Returns `true` if successful when all previous `count` bits were 0.
+bool _mi_bitmap_try_claim(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.
 bool _mi_bitmap_claim(mi_bitmap_t bitmap, size_t bitmap_fields, size_t count, mi_bitmap_index_t bitmap_idx, bool* any_zero);