[ovs-dev] [PATCH] windows: Fix x64 build
Alin Gabriel Serdean
aserdean at ovn.org
Wed Jan 10 17:27:52 UTC 2018
MSVC complains:
error C4013: 'atomic_storeX' undefined; assuming extern returning int
atomic_storeX - is no longer defined. This patch adds back its implementation.
Signed-off-by: Alin Gabriel Serdean <aserdean at ovn.org>
---
lib/ovs-atomic-msvc.h | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/lib/ovs-atomic-msvc.h b/lib/ovs-atomic-msvc.h
index 6727d2c..9def887 100644
--- a/lib/ovs-atomic-msvc.h
+++ b/lib/ovs-atomic-msvc.h
@@ -124,8 +124,13 @@ atomic_signal_fence(memory_order order)
}
#elif _M_X64
/* 64 bit writes are atomic on amd64 if 64 bit aligned. */
-#define atomic_store64(DST, SRC, ORDER) \
- atomic_storeX(64, DST, SRC, ORDER)
+#define atomic_store64(DST, SRC, ORDER) \
+ if (ORDER == memory_order_seq_cst) { \
+ InterlockedExchange64((int64_t volatile *) (DST), \
+ (int64_t) (SRC)); \
+ } else { \
+ *(DST) = (SRC); \
+ }
#endif
#define atomic_store8(DST, SRC, ORDER) \
--
2.10.2.windows.1
More information about the dev
mailing list