From d21447d096a320a08b3efb2b8768fad0dcdcfd64 Mon Sep 17 00:00:00 2001 From: Vincent Sanders Date: Thu, 5 May 2016 22:28:51 +0100 Subject: move frontends into sub directory --- atari/schedule.c | 228 ------------------------------------------------------- 1 file changed, 228 deletions(-) delete mode 100644 atari/schedule.c (limited to 'atari/schedule.c') diff --git a/atari/schedule.c b/atari/schedule.c deleted file mode 100644 index 48980426d..000000000 --- a/atari/schedule.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright 2008 Vincent Sanders - * Copyright 2011 Ole Loots - * - * This file is part of NetSurf, http://www.netsurf-browser.org/ - * - * NetSurf 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; version 2 of the License. - * - * NetSurf 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 this program. If not, see . - */ - -#include -#include -#include - -#include "utils/sys_time.h" -#include "utils/errors.h" - -#include "atari/schedule.h" - -#ifdef DEBUG_SCHEDULER -#include "utils/log.h" -#else -#define LOG(x...) -#endif - -#define MS_NOW() ((clock() * 1000) / CLOCKS_PER_SEC) - -/* linked list of scheduled callbacks */ -static struct nscallback *schedule_list = NULL; - -/** - * scheduled callback. - */ -struct nscallback -{ - struct nscallback *next; - unsigned long timeout; - void (*callback)(void *p); - void *p; -}; - -static int max_scheduled; -static int cur_scheduled; - -/** - * 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. - */ - -static nserror schedule_remove(void (*callback)(void *p), void *p) -{ - struct nscallback *cur_nscb; - struct nscallback *prev_nscb; - struct nscallback *unlnk_nscb; - - /* check there is something on the list to remove */ - if (schedule_list == NULL) { - return NSERROR_OK; - } - - LOG("removing %p, %p", callback, p); - - cur_nscb = schedule_list; - prev_nscb = NULL; - - while (cur_nscb != NULL) { - if ((cur_nscb->callback == callback) && - (cur_nscb->p == p)) { - /* item to remove */ - LOG("callback entry %p removing %p(%p)", cur_nscb, cur_nscb->callback, cur_nscb->p); - - /* remove callback */ - unlnk_nscb = cur_nscb; - cur_nscb = unlnk_nscb->next; - - if (prev_nscb == NULL) { - schedule_list = cur_nscb; - } else { - prev_nscb->next = cur_nscb; - } - free (unlnk_nscb); - cur_scheduled--; - } else { - /* move to next element */ - prev_nscb = cur_nscb; - cur_nscb = prev_nscb->next; - } - } - return NSERROR_OK; -} - -/* exported function documented in atari/schedule.h */ -nserror atari_schedule(int ival, void (*callback)(void *p), void *p) -{ - struct nscallback *nscb; - nserror ret; - - /* remove any existing callback of this kind */ - ret = schedule_remove(callback, p); - if ((ival < 0) || (ret != NSERROR_OK)) { - return ret; - } - - nscb = calloc(1, sizeof(struct nscallback)); - - nscb->timeout = MS_NOW() + ival; - - LOG("adding callback %p for %p(%p) at %d ms", nscb, callback, p, nscb->timeout); - - nscb->callback = callback; - nscb->p = p; - - /* add to list front */ - nscb->next = schedule_list; - schedule_list = nscb; - cur_scheduled++; - if( cur_scheduled > max_scheduled ) { - max_scheduled = cur_scheduled; - } - - return NSERROR_OK; -} - - -/* exported function documented in atari/schedule.h */ -int schedule_run(void) -{ - unsigned long nexttime; - struct nscallback *cur_nscb; - struct nscallback *prev_nscb; - struct nscallback *unlnk_nscb; - unsigned long now = MS_NOW(); - - if (schedule_list == NULL) - return -1; - - /* reset enumeration to the start of the list */ - cur_nscb = schedule_list; - prev_nscb = NULL; - nexttime = cur_nscb->timeout; - - while (cur_nscb != NULL) { - if (now > cur_nscb->timeout) { - /* scheduled time */ - - /* remove callback */ - unlnk_nscb = cur_nscb; - if (prev_nscb == NULL) { - schedule_list = unlnk_nscb->next; - } else { - prev_nscb->next = unlnk_nscb->next; - } - - LOG("callback entry %p running %p(%p)", unlnk_nscb, unlnk_nscb->callback, unlnk_nscb->p); - - /* call callback */ - unlnk_nscb->callback(unlnk_nscb->p); - free(unlnk_nscb); - cur_scheduled--; - - /* need to deal with callback modifying the list. */ - if (schedule_list == NULL) { - LOG("schedule_list == NULL"); - - return -1; /* no more callbacks scheduled */ - } - - /* reset enumeration to the start of the list */ - cur_nscb = schedule_list; - prev_nscb = NULL; - nexttime = cur_nscb->timeout; - } else { - /* if the time to the event is sooner than the - * currently recorded soonest event record it - */ - if (nexttime > cur_nscb->timeout) { - nexttime = cur_nscb->timeout; - } - /* move to next element */ - prev_nscb = cur_nscb; - cur_nscb = prev_nscb->next; - } - } - - /* make rettime relative to now and convert to ms */ - nexttime = nexttime - now; - - LOG("returning time to next event as %ldms", nexttime); - - /*return next event time in milliseconds (24days max wait) */ - return nexttime; -} - - -/* exported function documented in atari/schedule.h */ -void list_schedule(void) -{ - struct nscallback *cur_nscb; - - LOG("schedule list at ms clock %ld", MS_NOW()); - - cur_nscb = schedule_list; - while (cur_nscb != NULL) { - LOG("Schedule %p at %ld", cur_nscb, cur_nscb->timeout); - cur_nscb = cur_nscb->next; - } - LOG("Maxmium callbacks scheduled: %d", max_scheduled); -} - - -/* - * Local Variables: - * c-basic-offset:8 - * End: - */ -- cgit v1.2.3