ws2_32: Move the setsockopt(SO_KEEPALIVE) implementation to ntdll.

dlls/ntdll/unix/socket.c

@@ -1610,6 +1610,9 @@ NTSTATUS sock_ioctl( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc
         case IOCTL_AFD_WINE_GET_SO_KEEPALIVE:
             return do_getsockopt( handle, io, SOL_SOCKET, SO_KEEPALIVE, out_buffer, out_size );
 
+        case IOCTL_AFD_WINE_SET_SO_KEEPALIVE:
+            return do_setsockopt( handle, io, SOL_SOCKET, SO_KEEPALIVE, in_buffer, in_size );
+
         default:
         {
             if ((code >> 16) == FILE_DEVICE_NETWORK)

dlls/ws2_32/socket.c

@@ -3555,6 +3555,9 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
             SetLastError( WSAENOPROTOOPT );
             return -1;
 
+        case WS_SO_KEEPALIVE:
+            return server_setsockopt( s, IOCTL_AFD_WINE_SET_SO_KEEPALIVE, optval, optlen );
+
         /* Some options need some conversion before they can be sent to
          * setsockopt. The conversions are done here, then they will fall through
          * to the general case. Special options that are not passed to
@@ -3610,7 +3613,6 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
         /* The options listed here don't need any special handling. Thanks to
          * the conversion happening above, options from there will fall through
          * to this, too.*/
-        case WS_SO_KEEPALIVE:
         case WS_SO_OOBINLINE:
         /* BSD socket SO_REUSEADDR is not 100% compatible to winsock semantics.
          * however, using it the BSD way fixes bug 8513 and seems to be what

include/wine/afd.h

@@ -164,6 +164,7 @@ struct afd_get_events_params
 #define IOCTL_AFD_WINE_SET_SO_BROADCAST     CTL_CODE(FILE_DEVICE_NETWORK, 221, METHOD_BUFFERED, FILE_ANY_ACCESS)
 #define IOCTL_AFD_WINE_GET_SO_ERROR         CTL_CODE(FILE_DEVICE_NETWORK, 222, METHOD_BUFFERED, FILE_ANY_ACCESS)
 #define IOCTL_AFD_WINE_GET_SO_KEEPALIVE     CTL_CODE(FILE_DEVICE_NETWORK, 223, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_AFD_WINE_SET_SO_KEEPALIVE     CTL_CODE(FILE_DEVICE_NETWORK, 224, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
 struct afd_create_params
 {