From c76b0618d7457a68b464a64e91ed98dc2482b262 Mon Sep 17 00:00:00 2001 From: oharboe Date: Thu, 7 Aug 2008 16:37:20 +0000 Subject: David Kuehling - added jim-eventloop.c git-svn-id: svn://svn.berlios.de/openocd/trunk@898 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/helper/jim-eventloop.h | 110 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 src/helper/jim-eventloop.h (limited to 'src/helper/jim-eventloop.h') diff --git a/src/helper/jim-eventloop.h b/src/helper/jim-eventloop.h new file mode 100644 index 00000000..3923463e --- /dev/null +++ b/src/helper/jim-eventloop.h @@ -0,0 +1,110 @@ +/* Jim - A small embeddable Tcl interpreter + * + * Copyright 2005 Salvatore Sanfilippo + * Copyright 2005 Clemens Hintze + * Copyright 2005 patthoyts - Pat Thoyts + * Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com + * Copyright 2008 Andrew Lunn + * Copyright 2008 Duane Ellis + * Copyright 2008 Uwe Klein + * + * The FreeBSD license + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of the Jim Tcl Project. + **/ +/* ------ 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 int Jim_SignalProc(Jim_Interp *interp, void *clientData, void *msg); +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 +#define JIM_EVENT_FEOF 8 + +#define JIM_API(x) x +#define JIM_STATIC + +/* --- POSIX version of Jim_ProcessEvents, for now the only available --- */ +#define JIM_FILE_EVENTS 1 +#define JIM_TIME_EVENTS 2 +#define JIM_ALL_EVENTS (JIM_FILE_EVENTS|JIM_TIME_EVENTS) +#define JIM_DONT_WAIT 4 + +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 jim_wide 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(CreateFileHandler); + JIM_GET_API(DeleteFileHandler); + JIM_GET_API(CreateTimeHandler); + JIM_GET_API(DeleteTimeHandler); + JIM_GET_API(ProcessEvents); +} +#endif /* defined JIM_EXTENSION || defined JIM_EMBEDDED */ +#undef JIM_GET_API +#endif /* __JIM_EVENTLOOP_CORE__ */ + +#endif /* __JIM_EVENTLOOP_H__ */ -- cgit v1.2.3