add missing boundary

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/SocketModuleBuiltins.java

@@ -589,27 +589,14 @@ Object close(VirtualFrame frame, int fd) {
                 throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
             }
 
-            if (socket.getSocket() != null) {
-                if (!socket.getSocket().isOpen()) {
-                    throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
-                }
-
-                try {
-                    socket.getSocket().close();
-                } catch (IOException e) {
-                    throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
-                }
+            if (!socket.isOpen()) {
+                throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
             }
-            else if (socket.getServerSocket() != null) {
-                if (!socket.getServerSocket().isOpen()) {
-                    throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
-                }
 
-                try {
-                    socket.getServerSocket().close();
-                } catch (IOException e) {
-                    throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
-                }
+            try {
+                socket.close();
+            } catch (IOException e) {
+                throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
             }
             getContext().getResources().close(socket.getFileno());
             return PNone.NONE;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/socket/PSocket.java

@@ -180,10 +180,12 @@ public void setBlocking(boolean blocking) {
         this.blocking = blocking;
     }
 
+    @TruffleBoundary
     public boolean isOpen() {
         return getSocket() != null && getSocket().isOpen();
     }
 
+    @TruffleBoundary
     public void close() throws IOException {
         if (getSocket() != null) {
             getSocket().close();