/*
* $Id: GSX.c,v 2.1 2006/02/09 03:08:57 glynn Exp $
*/

/*  GSX.c 
    Bill Brown, USACERL  
    December 1993
*/

#include <grass/gstypes.h>

void (*Cxl_func) ();
void (*Swap_func) ();

static int Cxl = 0;

int GS_check_cancel(void)
{
    Cxl_func();

    return (Cxl);
}

void GS_set_cancel(int c)
{
    Cxl = c;

    return;
}

void GS_set_cxl_func(void (*f) (void))
{
    Cxl_func = f;

    return;
}


void GS_set_swap_func(void (*f) (void))
{
    Swap_func = f;

    return;
}