/*
 * Copyright © 2007 David Reveman
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * David Reveman not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * David Reveman makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author: David Reveman <davidr@novell.com>
 */

#ifndef DMX_XLIBIO_H
#define DMX_XLIBIO_H

#include <setjmp.h>

extern jmp_buf _dmx_jumpbuf;
extern int     _dmx_io_error;
extern int     _dmx_jumpbuf_set;

#define XLIB_PROLOGUE(_dmxScreen)			\
    do {						\
	_dmx_io_error = 0;				\
	_dmx_jumpbuf_set = 1;				\
	setjmp (_dmx_jumpbuf);				\
	if (_dmx_io_error)				\
	{						\
	    (_dmxScreen)->alive = FALSE;		\
	}						\
	else if ((_dmxScreen)->alive)			\
	{

#define XLIB_EPILOGUE(_dmxScreen)	\
    }					\
	_dmx_jumpbuf_set = 0;		\
	} while (0)

#endif