ws2_32: Move the getsockopt(TCP_NODELAY) implementation to ntdll.

dlls/ntdll/unix/socket.c

@@ -1999,6 +1999,9 @@ NTSTATUS sock_ioctl( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc
         }
 #endif
 
+        case IOCTL_AFD_WINE_GET_TCP_NODELAY:
+            return do_getsockopt( handle, io, IPPROTO_TCP, TCP_NODELAY, out_buffer, out_size );
+
         default:
         {
             if ((code >> 16) == FILE_DEVICE_NETWORK)

dlls/ws2_32/socket.c

@@ -1880,7 +1880,6 @@ static int server_getsockopt( SOCKET s, ULONG code, char *optval, int *optlen )
 INT WINAPI WS_getsockopt(SOCKET s, INT level,
                                   INT optname, char *optval, INT *optlen)
 {
-    int fd;
     INT ret = 0;
 
     TRACE("(socket %04lx, %s, optval %s, optlen %p (%d))\n", s,
@@ -2186,19 +2185,13 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
         switch(optname)
         {
         case WS_TCP_NODELAY:
-            if ( (fd = get_sock_fd( s, 0, NULL )) == -1)
-                return SOCKET_ERROR;
-            convert_sockopt(&level, &optname);
-            if (getsockopt(fd, level, optname, optval, (socklen_t *)optlen) != 0 )
-            {
-                SetLastError(wsaErrno());
-                ret = SOCKET_ERROR;
-            }
-            release_sock_fd( s, fd );
-            return ret;
+            return server_getsockopt( s, IOCTL_AFD_WINE_GET_TCP_NODELAY, optval, optlen );
+
+        default:
+            FIXME( "unrecognized TCP option %#x\n", optname );
+            SetLastError( WSAENOPROTOOPT );
+            return -1;
         }
-        FIXME("Unknown IPPROTO_TCP optname 0x%08x\n", optname);
-        return SOCKET_ERROR;
 
     case WS_IPPROTO_IP:
         switch(optname)

include/wine/afd.h

@@ -226,6 +226,7 @@ struct afd_get_events_params
 #define IOCTL_AFD_WINE_GET_IPX_PTYPE                    WINE_AFD_IOC(281)
 #define IOCTL_AFD_WINE_SET_IPX_PTYPE                    WINE_AFD_IOC(282)
 #define IOCTL_AFD_WINE_GET_IRLMP_ENUMDEVICES            WINE_AFD_IOC(283)
+#define IOCTL_AFD_WINE_GET_TCP_NODELAY                  WINE_AFD_IOC(284)
 
 struct afd_create_params
 {