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-rw-r--r--src/core/lib/iomgr/socket_windows.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/socket_windows.h b/src/core/lib/iomgr/socket_windows.h
index 7bd01eded5..b09b9da562 100644
--- a/src/core/lib/iomgr/socket_windows.h
+++ b/src/core/lib/iomgr/socket_windows.h
@@ -108,6 +108,10 @@ void grpc_socket_notify_on_read(grpc_winsocket* winsocket,
void grpc_socket_become_ready(grpc_winsocket* winsocket,
grpc_winsocket_callback_info* ci);
+/* Returns true if this system can create AF_INET6 sockets bound to ::1.
+ The value is probed once, and cached for the life of the process. */
+int grpc_ipv6_loopback_available(void);
+
#endif
#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_WINDOWS_H */