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/* Jim - A small embeddable Tcl interpreter
*
* Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
* Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
* Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
* Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
* Copyright 2008 Andrew Lunn <andrew@lunn.ch>
* Copyright 2008 Duane Ellis <openocd@duaneellis.com>
* Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
*
* 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__ */
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