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-rw-r--r--include/qemu/bitmap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h
index 3e0a4f3e0c..86dd9cd5fc 100644
--- a/include/qemu/bitmap.h
+++ b/include/qemu/bitmap.h
@@ -41,6 +41,7 @@
* bitmap_set(dst, pos, nbits) Set specified bit area
* bitmap_set_atomic(dst, pos, nbits) Set specified bit area with atomic ops
* bitmap_clear(dst, pos, nbits) Clear specified bit area
+ * bitmap_test_and_clear_atomic(dst, pos, nbits) Test and clear area
* bitmap_find_next_zero_area(buf, len, pos, n, mask) Find bit free area
*/
@@ -229,6 +230,7 @@ static inline int bitmap_intersects(const unsigned long *src1,
void bitmap_set(unsigned long *map, long i, long len);
void bitmap_set_atomic(unsigned long *map, long i, long len);
void bitmap_clear(unsigned long *map, long start, long nr);
+bool bitmap_test_and_clear_atomic(unsigned long *map, long start, long nr);
unsigned long bitmap_find_next_zero_area(unsigned long *map,
unsigned long size,
unsigned long start,