+++ /dev/null
-// -*- mode: C++; indent-tabs-mode: nil; -*-
-
-#ifdef HAVE_CONFIG_H
-# include "../config.h"
-#endif // HAVE_CONFIG_H
-
-#include "otk/display.hh"
-#include "openbox.hh"
-#include "timer.hh"
-#include "util.hh"
-
-namespace ob {
-
-OBTimer::OBTimer(TimeoutHandler *h) {
- handler = h;
-
- recur = timing = False;
-}
-
-
-OBTimer::~OBTimer(void) {
- if (timing) stop();
-}
-
-
-void OBTimer::setTimeout(long t) {
- _timeout.tv_sec = t / 1000;
- _timeout.tv_usec = t % 1000;
- _timeout.tv_usec *= 1000;
-}
-
-
-void OBTimer::setTimeout(const timeval &t) {
- _timeout.tv_sec = t.tv_sec;
- _timeout.tv_usec = t.tv_usec;
-}
-
-
-void OBTimer::start(void) {
- gettimeofday(&_start, 0);
-
- if (! timing) {
- timing = True;
- Openbox::instance->timerManager()->addTimer(this);
- }
-}
-
-
-void OBTimer::stop(void) {
- timing = False;
-
- Openbox::instance->timerManager()->removeTimer(this);
-}
-
-
-void OBTimer::halt(void) {
- timing = False;
-}
-
-
-void OBTimer::fireTimeout(void) {
- if (handler)
- handler->timeout();
-}
-
-
-timeval OBTimer::timeRemaining(const timeval &tm) const {
- timeval ret = endpoint();
-
- ret.tv_sec -= tm.tv_sec;
- ret.tv_usec -= tm.tv_usec;
-
- return normalizeTimeval(ret);
-}
-
-
-timeval OBTimer::endpoint(void) const {
- timeval ret;
-
- ret.tv_sec = _start.tv_sec + _timeout.tv_sec;
- ret.tv_usec = _start.tv_usec + _timeout.tv_usec;
-
- return normalizeTimeval(ret);
-}
-
-
-bool OBTimer::shouldFire(const timeval &tm) const {
- timeval end = endpoint();
-
- return ! ((tm.tv_sec < end.tv_sec) ||
- (tm.tv_sec == end.tv_sec && tm.tv_usec < end.tv_usec));
-}
-
-
-void OBTimerQueueManager::fire()
-{
- fd_set rfds;
- timeval now, tm, *timeout = (timeval *) 0;
-
- const int xfd = ConnectionNumber(otk::OBDisplay::display);
-
- FD_ZERO(&rfds);
- FD_SET(xfd, &rfds); // break on any x events
-
- if (! timerList.empty()) {
- const OBTimer* const timer = timerList.top();
-
- gettimeofday(&now, 0);
- tm = timer->timeRemaining(now);
-
- timeout = &tm;
- }
-
- select(xfd + 1, &rfds, 0, 0, timeout);
-
- // check for timer timeout
- gettimeofday(&now, 0);
-
- // there is a small chance for deadlock here:
- // *IF* the timer list keeps getting refreshed *AND* the time between
- // timer->start() and timer->shouldFire() is within the timer's period
- // then the timer will keep firing. This should be VERY near impossible.
- while (! timerList.empty()) {
- OBTimer *timer = timerList.top();
- if (! timer->shouldFire(now))
- break;
-
- timerList.pop();
-
- timer->fireTimeout();
- timer->halt();
- if (timer->isRecurring())
- timer->start();
- }
-}
-
-
-void OBTimerQueueManager::addTimer(OBTimer *timer)
-{
- assert(timer);
- timerList.push(timer);
-}
-
-void OBTimerQueueManager::removeTimer(OBTimer* timer)
-{
- assert(timer);
- timerList.release(timer);
-}
-
-}