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diff --git a/jim-eventloop.h b/jim-eventloop.h
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+/* Jim eventloop extension
+ * Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
+ *
+ * $Id: jim-eventloop.h,v 1.1 2005/04/18 08:31:26 antirez Exp $
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * A copy of the license is also included in the source distribution
+ * of Jim, as a TXT file name called LICENSE.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * ------ USAGE -------
+ *
+ * In order to use this file from other extensions include it in every
+ * file where you need to call the eventloop API, also in the init
+ * function of your extension call Jim_ImportEventloopAPI(interp)
+ * after the Jim_InitExtension() call.
+ *
+ * See the UDP extension as example.
+ */
+
+
+#ifndef __JIM_EVENTLOOP_H__
+#define __JIM_EVENTLOOP_H__
+
+typedef int Jim_FileProc(Jim_Interp *interp, void *clientData, int mask);
+typedef void Jim_TimeProc(Jim_Interp *interp, void *clientData);
+typedef void Jim_EventFinalizerProc(Jim_Interp *interp, void *clientData);
+
+/* File event structure */
+#define JIM_EVENT_READABLE 1
+#define JIM_EVENT_WRITABLE 2
+#define JIM_EVENT_EXCEPTION 4
+
+#ifndef __JIM_EVENTLOOP_CORE__
+# if defined JIM_EXTENSION || defined JIM_EMBEDDED
+#  define JIM_API(x) (*x)
+#  define JIM_STATIC
+# else
+#  define JIM_API(x) (*x)
+#  define JIM_STATIC extern
+# endif
+#else
+# define JIM_API(x) x
+# define JIM_STATIC static
+#endif /* __JIM_EVENTLOOP_CORE__ */
+
+JIM_STATIC void JIM_API(Jim_CreateFileHandler) (Jim_Interp *interp,
+        void *handle, int mask,
+        Jim_FileProc *proc, void *clientData,
+        Jim_EventFinalizerProc *finalizerProc);
+JIM_STATIC void JIM_API(Jim_DeleteFileHandler) (Jim_Interp *interp,
+        void *handle);
+JIM_STATIC jim_wide JIM_API(Jim_CreateTimeHandler) (Jim_Interp *interp,
+        jim_wide milliseconds,
+        Jim_TimeProc *proc, void *clientData,
+        Jim_EventFinalizerProc *finalizerProc);
+JIM_STATIC int JIM_API(Jim_DeleteTimeHandler) (Jim_Interp *interp, jim_wide id);
+JIM_STATIC int JIM_API(Jim_ProcessEvents) (Jim_Interp *interp, int flags);
+
+#undef JIM_STATIC
+#undef JIM_API
+
+#ifndef __JIM_EVENTLOOP_CORE__
+
+#define JIM_GET_API(name) \
+    Jim_GetApi(interp, "Jim_" #name, ((void *)&Jim_ ## name))
+
+#if defined JIM_EXTENSION || defined JIM_EMBEDDED
+/* This must be included "inline" inside the extension */
+static void Jim_ImportEventloopAPI(Jim_Interp *interp)
+{
+  JIM_GET_API(Jim_CreateFileHandler);
+  JIM_GET_API(Jim_DeleteFileHandler);
+  JIM_GET_API(Jim_CreateTimeHandler);
+  JIM_GET_API(Jim_DeleteTimeHandler);
+  JIM_GET_API(Jim_ProcessEvents);
+}
+#endif /* defined JIM_EXTENSION || defined JIM_EMBEDDED */
+#undef JIM_GET_API
+#endif /* __JIM_EVENTLOOP_CORE__ */
+
+#endif /* __JIM_EVENTLOOP_H__ */