arch,lib/seqlock: implement seqlock with C++ atomic if compiled with C++

[fio.git] / lib / seqlock.h

diff --git a/lib/seqlock.h b/lib/seqlock.h
index 56f3e37dab5b35750a390714c3af2d9579de5628..ef3aa0918df461ba3f60cf99b9d2d1f83b17095b 100644 (file)
--- a/lib/seqlock.h
+++ b/lib/seqlock.h
@@ -5,7 +5,11 @@
 #include "../arch/arch.h"
 
 struct seqlock {
+#ifdef __cplusplus
+       std::atomic<unsigned int> sequence;
+#else
        volatile unsigned int sequence;
+#endif
 };
 
 static inline void seqlock_init(struct seqlock *s)