Fake implementation of signal.default_int_handler()

Author: ppisl

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

@@ -52,6 +52,7 @@
 import com.oracle.graal.python.builtins.objects.ints.PInt;
 import com.oracle.graal.python.nodes.argument.CreateArgumentsNode;
 import com.oracle.graal.python.nodes.function.PythonBuiltinBaseNode;
+import com.oracle.graal.python.nodes.function.PythonBuiltinNode;
 import com.oracle.graal.python.nodes.function.builtins.PythonBinaryBuiltinNode;
 import com.oracle.graal.python.nodes.function.builtins.PythonUnaryBuiltinNode;
 import com.oracle.graal.python.nodes.truffle.PythonArithmeticTypes;
@@ -132,6 +133,16 @@ Object getsignal(int signum) {
         }
     }
 
+    @Builtin(name = "default_int_handler", minNumOfPositionalArgs = 0, takesVarArgs = true, takesVarKeywordArgs = false)
+    @GenerateNodeFactory
+    abstract static class DefaultIntHandlerNode extends PythonBuiltinNode {
+        @Specialization
+        Object defaultIntHandler(Object[] args) {
+            // TODO should be implemented properly.
+            throw raise(PythonErrorType.KeyboardInterrupt);
+        }
+    }
+
     @Builtin(name = "signal", fixedNumOfPositionalArgs = 2)
     @GenerateNodeFactory
     abstract static class SignalNode extends PythonBinaryBuiltinNode {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/exception/PythonErrorType.java

@@ -40,6 +40,7 @@ public abstract class PythonErrorType {
     public static final PythonBuiltinClassType ImportError = PythonBuiltinClassType.ImportError;
     public static final PythonBuiltinClassType ImportWarning = PythonBuiltinClassType.ImportWarning;
     public static final PythonBuiltinClassType IndexError = PythonBuiltinClassType.IndexError;
+    public static final PythonBuiltinClassType KeyboardInterrupt = PythonBuiltinClassType.KeyboardInterrupt;
     public static final PythonBuiltinClassType KeyError = PythonBuiltinClassType.KeyError;
     public static final PythonBuiltinClassType LookupError = PythonBuiltinClassType.LookupError;
     public static final PythonBuiltinClassType MemoryError = PythonBuiltinClassType.MemoryError;