/* Implement tasking-related runtime actions for CHILL.
   Copyright (C) 1992,1993 Free Software Foundation, Inc.
   Author: Wilfried Moser

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "rtltypes.h"
#include "rts.h"

/*
 * function __continue
 *
 * parameters:
 *     evaddr     pointer to Eventlocation
 *     filename   source file name where function gets called
 *     lineno     linenumber in source file
 *
 * returns:
 *     void
 *
 * exceptions:
 *     none
 *
 * abstract:
 *     implement the CHILL CONTINUE action.
 */

void
__continue (evaddr, filename, lineno)
     Event_Queue   **evaddr;
     char           *filename;
     int             lineno;
{
  Event_Queue  *ev = *evaddr;
  Event_Queue  *wrk;

  if (ev == 0)
    /* nothing to do */
    return;

  /* search for 1st one is not already continued */
  while (ev && ev->is_continued)
    ev = ev->forward;
  if (!ev)
    /* all have been continued in that queue, do nothing */
    return;

  wrk = ev->startlist;
  while (wrk)
    {
      Event_Queue     *tmp = (Event_Queue *)wrk->listhead;
      
      while (tmp->forward != wrk)
	tmp = tmp->forward;
      tmp->forward = wrk->forward;
      wrk = wrk->chain;
    }

  /* so far so good, continue this one */
  ev->is_continued = 1;
  ev->who_continued = THIS;

  /* tell the runtime system to activate the process */
  __continue_that (ev->this, ev->priority, filename, lineno);
}

/* force function print_event to be linked */
extern void __print_event ();
static EntryPoint pev = __print_event;