2008-08-02 18:31:32 +04:00
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/*
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2014-11-22 02:46:22 +03:00
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* Copyright 2008 - 2014 Chris Young <chris@unsatisfactorysoftware.co.uk>
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2008-08-02 18:31:32 +04:00
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2010-12-30 03:53:11 +03:00
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#include "amiga/os3support.h"
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2011-02-10 00:52:28 +03:00
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|
|
2014-11-22 19:24:26 +03:00
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#include <proto/dos.h>
|
2008-08-03 20:10:10 +04:00
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|
|
#include <proto/exec.h>
|
2011-03-13 22:12:03 +03:00
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#include <proto/timer.h>
|
2008-08-03 20:10:10 +04:00
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|
|
2011-03-13 22:12:03 +03:00
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#include <stdio.h>
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|
|
|
#include <stdbool.h>
|
2011-02-17 00:29:39 +03:00
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|
#include <pbl.h>
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|
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|
2014-03-09 20:14:05 +04:00
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|
|
#include "utils/errors.h"
|
2016-03-03 02:47:37 +03:00
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|
|
#include "utils/log.h"
|
2014-03-09 20:14:05 +04:00
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|
2016-01-21 22:23:10 +03:00
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|
|
#include "amiga/misc.h"
|
2014-03-09 20:14:05 +04:00
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#include "amiga/schedule.h"
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|
2014-11-22 02:46:22 +03:00
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static struct TimeRequest *tioreq;
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struct Device *TimerBase;
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2015-01-13 02:29:36 +03:00
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#ifdef __amigaos4__
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2014-11-22 02:46:22 +03:00
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struct TimerIFace *ITimer;
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2015-01-13 02:43:00 +03:00
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#endif
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2014-11-22 02:46:22 +03:00
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|
2016-07-10 01:43:17 +03:00
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static APTR restrict pool_nscb = NULL;
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static APTR restrict pool_timereq = NULL;
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2016-01-21 22:23:10 +03:00
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2011-02-17 00:29:39 +03:00
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struct nscallback
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{
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struct TimeVal tv;
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2016-07-10 01:43:17 +03:00
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void *restrict callback;
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void *restrict p;
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2011-02-17 00:29:39 +03:00
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struct TimeRequest *treq;
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|
};
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|
2014-11-18 02:47:28 +03:00
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static PblHeap *schedule_list;
|
2011-02-17 00:29:39 +03:00
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|
2014-07-03 03:08:56 +04:00
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/**
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* Remove timer event
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*
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* \param nscb callback
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*
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* The timer event for the callback is aborted
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*/
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static void ami_schedule_remove_timer_event(struct nscallback *nscb)
|
2008-08-02 18:31:32 +04:00
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{
|
2011-02-17 00:29:39 +03:00
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if(!nscb) return;
|
2008-08-03 20:10:10 +04:00
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|
2014-03-08 18:13:27 +04:00
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if(nscb->treq)
|
2008-09-09 10:25:22 +04:00
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{
|
2014-03-08 18:13:27 +04:00
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|
if(CheckIO((struct IORequest *)nscb->treq)==NULL)
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AbortIO((struct IORequest *)nscb->treq);
|
2011-02-17 00:29:39 +03:00
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|
2014-03-08 18:13:27 +04:00
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WaitIO((struct IORequest *)nscb->treq);
|
2016-01-21 22:23:10 +03:00
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ami_misc_itempool_free(pool_timereq, nscb->treq, sizeof(struct TimeRequest));
|
2014-03-08 18:13:27 +04:00
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|
}
|
2008-08-02 18:31:32 +04:00
|
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}
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|
2014-07-03 03:08:56 +04:00
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/**
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* Add timer event
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*
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* \param nscb callback
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* \param t time in ms
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*
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* NetSurf will be signalled in t ms for this event.
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*/
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static nserror ami_schedule_add_timer_event(struct nscallback *nscb, int t)
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|
{
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struct TimeVal tv;
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ULONG time_us = t * 1000; /* t converted to <20>s */
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nscb->tv.Seconds = time_us / 1000000;
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nscb->tv.Microseconds = time_us % 1000000;
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GetSysTime(&tv);
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AddTime(&nscb->tv,&tv); // now contains time when event occurs
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|
2016-01-21 22:23:10 +03:00
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if((nscb->treq = ami_misc_itempool_alloc(pool_timereq, sizeof(struct TimeRequest)))) {
|
2014-07-03 03:08:56 +04:00
|
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|
*nscb->treq = *tioreq;
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|
nscb->treq->Request.io_Command=TR_ADDREQUEST;
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nscb->treq->Time.Seconds=nscb->tv.Seconds; // secs
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nscb->treq->Time.Microseconds=nscb->tv.Microseconds; // micro
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|
SendIO((struct IORequest *)nscb->treq);
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|
} else {
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|
return NSERROR_NOMEM;
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|
}
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|
return NSERROR_OK;
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|
}
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/**
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* Locate a scheduled callback
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*
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* \param callback callback function
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* \param p user parameter, passed to callback function
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* \param remove remove callback from the heap
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*
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* A scheduled callback matching both callback and p is returned, or NULL if none present.
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*/
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|
2014-07-02 21:35:16 +04:00
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static struct nscallback *ami_schedule_locate(void (*callback)(void *p), void *p, bool remove)
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|
{
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PblIterator *iterator;
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struct nscallback *nscb;
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bool found_cb = false;
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|
/* check there is something on the list */
|
2016-01-21 22:23:10 +03:00
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|
if (schedule_list == NULL) return NULL;
|
2014-07-02 21:35:16 +04:00
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|
if(pblHeapIsEmpty(schedule_list)) return NULL;
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iterator = pblHeapIterator(schedule_list);
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while ((nscb = pblIteratorNext(iterator)) != -1) {
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if ((nscb->callback == callback) && (nscb->p == p)) {
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if (remove == true) pblIteratorRemove(iterator);
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found_cb = true;
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break;
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}
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};
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pblIteratorFree(iterator);
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if (found_cb == true) return nscb;
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else return NULL;
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}
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|
2014-07-02 21:43:44 +04:00
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|
/**
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|
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* Reschedule a callback.
|
2014-07-03 03:08:56 +04:00
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|
*
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|
* \param nscb callback
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|
* \param t time in ms
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|
*
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|
* The nscallback will be rescheduled for t ms.
|
2014-07-02 21:43:44 +04:00
|
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|
*/
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|
2014-07-03 03:08:56 +04:00
|
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|
static nserror ami_schedule_reschedule(struct nscallback *nscb, int t)
|
2014-07-02 21:43:44 +04:00
|
|
|
|
{
|
2014-07-03 03:08:56 +04:00
|
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|
ami_schedule_remove_timer_event(nscb);
|
|
|
|
|
if (ami_schedule_add_timer_event(nscb, t) != NSERROR_OK)
|
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|
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|
return NSERROR_NOMEM;
|
2014-07-02 21:43:44 +04:00
|
|
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|
|
|
|
|
|
pblHeapConstruct(schedule_list);
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|
return NSERROR_OK;
|
|
|
|
|
}
|
|
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|
|
|
2008-08-03 20:10:10 +04:00
|
|
|
|
/**
|
|
|
|
|
* Unschedule a callback.
|
|
|
|
|
*
|
|
|
|
|
* \param callback callback function
|
|
|
|
|
* \param p user parameter, passed to callback function
|
|
|
|
|
*
|
|
|
|
|
* All scheduled callbacks matching both callback and p are removed.
|
|
|
|
|
*/
|
|
|
|
|
|
2014-03-08 18:13:27 +04:00
|
|
|
|
static nserror schedule_remove(void (*callback)(void *p), void *p)
|
2008-08-02 18:31:32 +04:00
|
|
|
|
{
|
2008-08-03 20:10:10 +04:00
|
|
|
|
struct nscallback *nscb;
|
2008-11-03 22:21:40 +03:00
|
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|
|
|
2014-07-02 21:35:16 +04:00
|
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|
|
nscb = ami_schedule_locate(callback, p, true);
|
2011-02-17 00:29:39 +03:00
|
|
|
|
|
2014-07-02 21:35:16 +04:00
|
|
|
|
if(nscb != NULL) {
|
2014-07-03 03:08:56 +04:00
|
|
|
|
ami_schedule_remove_timer_event(nscb);
|
2016-01-21 22:23:10 +03:00
|
|
|
|
ami_misc_itempool_free(pool_nscb, nscb, sizeof(struct nscallback));
|
2014-03-08 18:13:27 +04:00
|
|
|
|
pblHeapConstruct(schedule_list);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return NSERROR_OK;
|
2008-08-02 18:31:32 +04:00
|
|
|
|
}
|
|
|
|
|
|
2014-03-08 18:13:27 +04:00
|
|
|
|
static void schedule_remove_all(void)
|
2011-03-13 22:43:56 +03:00
|
|
|
|
{
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|
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|
PblIterator *iterator;
|
|
|
|
|
struct nscallback *nscb;
|
|
|
|
|
|
|
|
|
|
if(pblHeapIsEmpty(schedule_list)) return;
|
|
|
|
|
|
|
|
|
|
iterator = pblHeapIterator(schedule_list);
|
|
|
|
|
|
|
|
|
|
while ((nscb = pblIteratorNext(iterator)) != -1)
|
|
|
|
|
{
|
2014-07-03 03:08:56 +04:00
|
|
|
|
ami_schedule_remove_timer_event(nscb);
|
2011-03-13 22:43:56 +03:00
|
|
|
|
pblIteratorRemove(iterator);
|
2016-01-21 22:23:10 +03:00
|
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|
|
ami_misc_itempool_free(pool_nscb, nscb, sizeof(struct nscallback));
|
2011-03-13 22:43:56 +03:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
pblIteratorFree(iterator);
|
|
|
|
|
}
|
|
|
|
|
|
2014-03-08 18:13:27 +04:00
|
|
|
|
static int ami_schedule_compare(const void *prev, const void *next)
|
|
|
|
|
{
|
|
|
|
|
struct nscallback *nscb1 = *(struct nscallback **)prev;
|
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|
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|
struct nscallback *nscb2 = *(struct nscallback **)next;
|
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|
|
|
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|
return CmpTime(&nscb1->tv, &nscb2->tv);
|
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|
|
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}
|
|
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|
|
|
2008-08-03 20:10:10 +04:00
|
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|
|
2014-11-22 19:24:26 +03:00
|
|
|
|
/**
|
|
|
|
|
* Process events up to current time.
|
|
|
|
|
*
|
|
|
|
|
* This implementation only takes the top entry off the heap, it does not
|
|
|
|
|
* venture to later scheduled events until the next time it is called -
|
|
|
|
|
* immediately afterwards, if we're in a timer signalled loop.
|
|
|
|
|
*/
|
2016-01-21 23:13:49 +03:00
|
|
|
|
static void ami_scheduler_run(void)
|
2008-08-02 18:31:32 +04:00
|
|
|
|
{
|
2008-08-03 20:10:10 +04:00
|
|
|
|
struct nscallback *nscb;
|
2016-01-21 23:13:49 +03:00
|
|
|
|
struct TimeVal tv;
|
2008-08-03 20:10:10 +04:00
|
|
|
|
void (*callback)(void *p);
|
2008-08-17 20:24:22 +04:00
|
|
|
|
void *p;
|
2008-08-03 20:10:10 +04:00
|
|
|
|
|
2011-02-17 00:29:39 +03:00
|
|
|
|
nscb = pblHeapGetFirst(schedule_list);
|
2011-02-19 20:19:38 +03:00
|
|
|
|
if(nscb == -1) return;
|
2008-08-03 20:10:10 +04:00
|
|
|
|
|
2014-11-22 20:15:52 +03:00
|
|
|
|
/* Ensure the scheduled event time has passed (CmpTime<=0)
|
|
|
|
|
* in case something been deleted between the timer
|
|
|
|
|
* signalling us and us responding to it.
|
|
|
|
|
*/
|
|
|
|
|
GetSysTime(&tv);
|
|
|
|
|
if(CmpTime(&tv, &nscb->tv) > 0) return;
|
|
|
|
|
|
2011-02-17 00:29:39 +03:00
|
|
|
|
callback = nscb->callback;
|
|
|
|
|
p = nscb->p;
|
2016-01-21 23:13:49 +03:00
|
|
|
|
|
2014-07-03 03:08:56 +04:00
|
|
|
|
ami_schedule_remove_timer_event(nscb);
|
2011-02-17 00:29:39 +03:00
|
|
|
|
pblHeapRemoveFirst(schedule_list);
|
2016-01-21 22:23:10 +03:00
|
|
|
|
ami_misc_itempool_free(pool_nscb, nscb, sizeof(struct nscallback));
|
2014-11-22 19:24:26 +03:00
|
|
|
|
|
2016-03-03 02:47:37 +03:00
|
|
|
|
LOG("Running scheduled callback %p with arg %p", callback, p);
|
2016-01-21 23:13:49 +03:00
|
|
|
|
callback(p);
|
2014-11-22 19:24:26 +03:00
|
|
|
|
|
|
|
|
|
return;
|
2008-08-02 18:31:32 +04:00
|
|
|
|
}
|
2008-09-08 22:14:14 +04:00
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
static void ami_schedule_open_timer(struct MsgPort *msgport)
|
2011-02-19 20:19:38 +03:00
|
|
|
|
{
|
2015-01-19 02:13:32 +03:00
|
|
|
|
#ifdef __amigaos4__
|
2011-02-19 20:19:38 +03:00
|
|
|
|
tioreq = (struct TimeRequest *)AllocSysObjectTags(ASOT_IOREQUEST,
|
|
|
|
|
ASOIOR_Size,sizeof(struct TimeRequest),
|
|
|
|
|
ASOIOR_ReplyPort,msgport,
|
|
|
|
|
ASO_NoTrack,FALSE,
|
|
|
|
|
TAG_DONE);
|
2015-01-19 02:13:32 +03:00
|
|
|
|
#else
|
|
|
|
|
tioreq = (struct TimeRequest *)CreateIORequest(msgport, sizeof(struct TimeRequest));
|
|
|
|
|
#endif
|
2011-02-19 20:19:38 +03:00
|
|
|
|
|
|
|
|
|
OpenDevice("timer.device", UNIT_WAITUNTIL, (struct IORequest *)tioreq, 0);
|
|
|
|
|
|
|
|
|
|
TimerBase = (struct Device *)tioreq->Request.io_Device;
|
2015-01-19 02:13:32 +03:00
|
|
|
|
#ifdef __amigaos4__
|
2014-11-29 22:56:54 +03:00
|
|
|
|
ITimer = (struct TimerIFace *)GetInterface((struct Library *)TimerBase, "main", 1, NULL);
|
2015-01-19 02:13:32 +03:00
|
|
|
|
#endif
|
2011-02-19 20:19:38 +03:00
|
|
|
|
}
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
static void ami_schedule_close_timer(void)
|
2011-02-19 20:19:38 +03:00
|
|
|
|
{
|
2015-01-13 02:29:36 +03:00
|
|
|
|
#ifdef __amigaos4__
|
2014-07-03 03:08:56 +04:00
|
|
|
|
if(ITimer) DropInterface((struct Interface *)ITimer);
|
2015-01-13 02:29:36 +03:00
|
|
|
|
#endif
|
2011-02-19 20:19:38 +03:00
|
|
|
|
CloseDevice((struct IORequest *) tioreq);
|
2014-11-22 02:46:22 +03:00
|
|
|
|
FreeSysObject(ASOT_IOREQUEST, tioreq);
|
2011-02-19 20:19:38 +03:00
|
|
|
|
}
|
2014-03-08 18:13:27 +04:00
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
/* exported interface documented in amiga/schedule.h */
|
|
|
|
|
nserror ami_schedule_create(struct MsgPort *msgport)
|
2014-11-11 02:50:28 +03:00
|
|
|
|
{
|
2016-01-21 23:13:49 +03:00
|
|
|
|
pool_nscb = ami_misc_itempool_create(sizeof(struct nscallback));
|
|
|
|
|
pool_timereq = ami_misc_itempool_create(sizeof(struct TimeRequest));
|
|
|
|
|
|
|
|
|
|
ami_schedule_open_timer(msgport);
|
2014-11-11 02:50:28 +03:00
|
|
|
|
schedule_list = pblHeapNew();
|
2016-01-21 23:13:49 +03:00
|
|
|
|
if(schedule_list == PBL_ERROR_OUT_OF_MEMORY) return NSERROR_NOMEM;
|
2014-11-11 02:50:28 +03:00
|
|
|
|
|
|
|
|
|
pblHeapSetCompareFunction(schedule_list, ami_schedule_compare);
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
return NSERROR_OK;
|
2014-11-11 02:50:28 +03:00
|
|
|
|
}
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
/* exported interface documented in amiga/schedule.h */
|
|
|
|
|
void ami_schedule_free(void)
|
2014-11-11 02:50:28 +03:00
|
|
|
|
{
|
|
|
|
|
schedule_remove_all();
|
|
|
|
|
pblHeapFree(schedule_list); // this should be empty at this point
|
|
|
|
|
schedule_list = NULL;
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
ami_schedule_close_timer();
|
|
|
|
|
|
|
|
|
|
ami_misc_itempool_delete(pool_timereq);
|
|
|
|
|
ami_misc_itempool_delete(pool_nscb);
|
2014-11-11 02:50:28 +03:00
|
|
|
|
}
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
/* exported function documented in amiga/schedule.h */
|
|
|
|
|
nserror ami_schedule(int t, void (*callback)(void *p), void *p)
|
2015-01-13 02:43:00 +03:00
|
|
|
|
{
|
|
|
|
|
struct nscallback *nscb;
|
|
|
|
|
|
|
|
|
|
if(schedule_list == NULL) return NSERROR_INIT_FAILED;
|
2016-01-21 23:13:49 +03:00
|
|
|
|
if(t < 0) return schedule_remove(callback, p);
|
2015-01-13 02:43:00 +03:00
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
if ((nscb = ami_schedule_locate(callback, p, false))) {
|
|
|
|
|
return ami_schedule_reschedule(nscb, t);
|
2015-01-13 02:43:00 +03:00
|
|
|
|
}
|
|
|
|
|
|
2016-01-21 22:23:10 +03:00
|
|
|
|
nscb = ami_misc_itempool_alloc(pool_nscb, sizeof(struct nscallback));
|
2015-01-13 02:43:00 +03:00
|
|
|
|
if(!nscb) return NSERROR_NOMEM;
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
if (ami_schedule_add_timer_event(nscb, t) != NSERROR_OK)
|
2015-01-13 02:43:00 +03:00
|
|
|
|
return NSERROR_NOMEM;
|
|
|
|
|
|
2016-01-21 23:13:49 +03:00
|
|
|
|
nscb->callback = callback;
|
|
|
|
|
nscb->p = p;
|
2015-01-13 02:43:00 +03:00
|
|
|
|
|
|
|
|
|
pblHeapInsert(schedule_list, nscb);
|
|
|
|
|
|
|
|
|
|
return NSERROR_OK;
|
2014-11-22 19:24:26 +03:00
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* exported interface documented in amiga/schedule.h */
|
|
|
|
|
void ami_schedule_handle(struct MsgPort *nsmsgport)
|
|
|
|
|
{
|
2015-01-13 02:29:36 +03:00
|
|
|
|
/* nsmsgport is the NetSurf message port that the scheduler task
|
|
|
|
|
* (or timer.device in no-async mode) is sending messages to. */
|
|
|
|
|
|
|
|
|
|
struct TimerRequest *timermsg;
|
|
|
|
|
|
|
|
|
|
while((timermsg = (struct TimerRequest *)GetMsg(nsmsgport))) {
|
|
|
|
|
/* reply first, as we don't need the message contents and
|
|
|
|
|
* it crashes if we reply after schedule_run has executed.
|
|
|
|
|
*/
|
|
|
|
|
ReplyMsg((struct Message *)timermsg);
|
2016-01-21 23:13:49 +03:00
|
|
|
|
ami_scheduler_run();
|
2014-11-22 02:46:22 +03:00
|
|
|
|
}
|
2014-11-22 19:24:26 +03:00
|
|
|
|
}
|
|
|
|
|
|