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authorVincent Sanders <vince@kyllikki.org>2016-05-05 22:28:51 +0100
committerVincent Sanders <vince@kyllikki.org>2016-05-15 13:44:34 +0100
commitd21447d096a320a08b3efb2b8768fad0dcdcfd64 (patch)
tree1a83814b7c9e94b2f13c473261f23dd3a17dee64 /windows/schedule.c
parent2cbb337756d9af5bda4d594964d446439f602551 (diff)
downloadnetsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.gz
netsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.bz2
move frontends into sub directory
Diffstat (limited to 'windows/schedule.c')
-rw-r--r--windows/schedule.c235
1 files changed, 0 insertions, 235 deletions
diff --git a/windows/schedule.c b/windows/schedule.c
deleted file mode 100644
index 5366add9c..000000000
--- a/windows/schedule.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * Copyright 2008 Vincent Sanders <vince@simtec.co.uk>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <time.h>
-
-#include "utils/sys_time.h"
-#include "utils/log.h"
-#include "utils/utils.h"
-#include "utils/errors.h"
-
-#include "windows/schedule.h"
-
-#ifdef DEBUG_SCHEDULER
-#define SRLOG(x...) LOG(x)
-#else
-#define SRLOG(x...) ((void) 0)
-#endif
-
-/* linked list of scheduled callbacks */
-static struct nscallback *schedule_list = NULL;
-
-/**
- * scheduled callback.
- */
-struct nscallback
-{
- struct nscallback *next;
- struct timeval tv;
- void (*callback)(void *p);
- void *p;
-};
-
-
-/**
- * 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;
- }
-
- SRLOG("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 */
-
- SRLOG("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);
- } else {
- /* move to next element */
- prev_nscb = cur_nscb;
- cur_nscb = prev_nscb->next;
- }
- }
- return NSERROR_OK;
-}
-
-/* exported interface documented in windows/schedule.h */
-nserror win32_schedule(int ival, void (*callback)(void *p), void *p)
-{
- struct nscallback *nscb;
- struct timeval tv;
- nserror ret;
-
- ret = schedule_remove(callback, p);
- if ((ival < 0) || (ret != NSERROR_OK)) {
- return ret;
- }
-
- tv.tv_sec = ival / 1000; /* miliseconds to seconds */
- tv.tv_usec = (ival % 1000) * 1000; /* remainder to microseconds */
-
- nscb = calloc(1, sizeof(struct nscallback));
- if (nscb == NULL) {
- return NSERROR_NOMEM;
- }
-
- SRLOG("adding callback %p for %p(%p) at %d cs",
- nscb, callback, p, ival);
-
- gettimeofday(&nscb->tv, NULL);
- timeradd(&nscb->tv, &tv, &nscb->tv);
-
- nscb->callback = callback;
- nscb->p = p;
-
- /* add to list front */
- nscb->next = schedule_list;
- schedule_list = nscb;
-
- return NSERROR_OK;
-}
-
-/* exported interface documented in schedule.h */
-int
-schedule_run(void)
-{
- struct timeval tv;
- struct timeval nexttime;
- struct timeval rettime;
- struct nscallback *cur_nscb;
- struct nscallback *prev_nscb;
- struct nscallback *unlnk_nscb;
-
- if (schedule_list == NULL)
- return -1;
-
- /* reset enumeration to the start of the list */
- cur_nscb = schedule_list;
- prev_nscb = NULL;
- nexttime = cur_nscb->tv;
-
- gettimeofday(&tv, NULL);
-
- while (cur_nscb != NULL) {
- if (timercmp(&tv, &cur_nscb->tv, >)) {
- /* scheduled time */
-
- /* remove callback */
- unlnk_nscb = cur_nscb;
-
- if (prev_nscb == NULL) {
- schedule_list = unlnk_nscb->next;
- } else {
- prev_nscb->next = unlnk_nscb->next;
- }
-
- SRLOG("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);
-
- /* dispatched events can modify the list,
- * instead of locking we simply reset list
- * enumeration to the start.
- */
- if (schedule_list == NULL)
- return -1; /* no more callbacks scheduled */
-
- cur_nscb = schedule_list;
- prev_nscb = NULL;
- nexttime = cur_nscb->tv;
- } else {
- /* if the time to the event is sooner than the
- * currently recorded soonest event record it
- */
- if (timercmp(&nexttime, &cur_nscb->tv, >)) {
- nexttime = cur_nscb->tv;
- }
- /* move to next element */
- prev_nscb = cur_nscb;
- cur_nscb = prev_nscb->next;
- }
- }
-
- /* make returned time relative to now */
- timersub(&nexttime, &tv, &rettime);
-
- SRLOG("returning time to next event as %ldms",
- (rettime.tv_sec * 1000) + (rettime.tv_usec / 1000));
-
- /* return next event time in milliseconds (24days max wait) */
- return (rettime.tv_sec * 1000) + (rettime.tv_usec / 1000);
-}
-
-/* exported interface documented in schedule.h */
-void list_schedule(void)
-{
- struct timeval tv;
- struct nscallback *cur_nscb;
-
- gettimeofday(&tv, NULL);
-
- LOG("schedule list at %ld:%ld", tv.tv_sec, tv.tv_usec);
-
- cur_nscb = schedule_list;
-
- while (cur_nscb != NULL) {
- LOG("Schedule %p at %ld:%ld", cur_nscb, cur_nscb->tv.tv_sec, cur_nscb->tv.tv_usec);
- cur_nscb = cur_nscb->next;
- }
-}
-
-
-/*
- * Local Variables:
- * c-basic-offset:8
- * End:
- */