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authorfluxgen <fluxgen>2003-01-09 21:52:09 (GMT)
committerfluxgen <fluxgen>2003-01-09 21:52:09 (GMT)
commitc9299fff8f5492df6aafce4455c1ee7cff1ab1f8 (patch)
tree4de76e3b6e3100bb9869ea0eaef2c0e38866e808 /src/Timer.cc
parent7dd4823340ae5f710a08ff3a8fbe4276defc6b85 (diff)
downloadfluxbox_pavel-c9299fff8f5492df6aafce4455c1ee7cff1ab1f8.zip
fluxbox_pavel-c9299fff8f5492df6aafce4455c1ee7cff1ab1f8.tar.bz2
moved to FbTk
Diffstat (limited to 'src/Timer.cc')
-rw-r--r--src/Timer.cc177
1 files changed, 0 insertions, 177 deletions
diff --git a/src/Timer.cc b/src/Timer.cc
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--- a/src/Timer.cc
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1// Timer.cc for Blackbox - An X11 Window Manager
2// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22#include "Timer.hh"
23
24//use GNU extensions
25#ifndef _GNU_SOURCE
26#define _GNU_SOURCE
27#endif // _GNU_SOURCE
28
29#ifdef HAVE_CONFIG_H
30#include "config.h"
31#endif // HAVE_CONFIG_H
32
33#include <sys/time.h>
34#include <sys/types.h>
35#include <unistd.h>
36#include <cassert>
37
38//static var
39BTimer::TimerList BTimer::m_timerlist;
40
41BTimer::BTimer(TimeoutHandler *h):
42 m_handler(h),
43 m_timing(false),
44 m_once(false) {
45}
46
47
48BTimer::~BTimer() {
49 if (isTiming()) stop();
50}
51
52
53void BTimer::setTimeout(long t) {
54 m_timeout.tv_sec = t / 1000;
55 m_timeout.tv_usec = t;
56 m_timeout.tv_usec -= (m_timeout.tv_sec * 1000);
57 m_timeout.tv_usec *= 1000;
58}
59
60
61void BTimer::setTimeout(timeval t) {
62 m_timeout.tv_sec = t.tv_sec;
63 m_timeout.tv_usec = t.tv_usec;
64}
65
66
67void BTimer::start() {
68 gettimeofday(&m_start, 0);
69
70 if (! m_timing) {
71 m_timing = true;
72 addTimer(this); //add us to the list
73 }
74}
75
76
77void BTimer::stop() {
78 m_timing = false;
79 removeTimer(this); //remove us from the list
80}
81
82
83void BTimer::fireTimeout() {
84 if (m_handler) m_handler->timeout();
85}
86
87void BTimer::updateTimers(int fd) {
88 fd_set rfds;
89 timeval now, tm, *timeout = 0;
90
91 FD_ZERO(&rfds);
92 FD_SET(fd, &rfds);
93
94 if (m_timerlist.size() > 0) {
95 gettimeofday(&now, 0);
96
97 tm.tv_sec = tm.tv_usec = 0l;
98
99 BTimer *timer = m_timerlist.front();
100
101 tm.tv_sec = timer->getStartTime().tv_sec +
102 timer->getTimeout().tv_sec - now.tv_sec;
103 tm.tv_usec = timer->getStartTime().tv_usec +
104 timer->getTimeout().tv_usec - now.tv_usec;
105
106 while (tm.tv_usec >= 1000000) {
107 tm.tv_sec++;
108 tm.tv_usec -= 1000000;
109 }
110
111 while (tm.tv_usec < 0) {
112 if (tm.tv_sec > 0) {
113 tm.tv_sec--;
114 tm.tv_usec += 1000000;
115 } else {
116 tm.tv_usec = 0;
117 break;
118 }
119 }
120
121 timeout = &tm;
122 }
123
124 select(fd + 1, &rfds, 0, 0, timeout);
125
126 // check for timer timeout
127 gettimeofday(&now, 0);
128
129 TimerList::iterator it = m_timerlist.begin();
130 //must check end ...the timer might remove
131 //it self from the list (should be fixed in the future)
132 for(; it != m_timerlist.end(); ++it) {
133 //This is to make sure we don't get an invalid iterator
134 //when we do fireTimeout
135 BTimer &t = *(*it);
136 tm.tv_sec = t.getStartTime().tv_sec +
137 t.getTimeout().tv_sec;
138 tm.tv_usec = t.getStartTime().tv_usec +
139 t.getTimeout().tv_usec;
140
141 if ((now.tv_sec < tm.tv_sec) ||
142 (now.tv_sec == tm.tv_sec && now.tv_usec < tm.tv_usec))
143 break;
144
145 t.fireTimeout();
146 // restart the current timer so that the start time is updated
147 if (! t.doOnce())
148 t.start();
149 else {
150 t.stop();
151 it--;
152 }
153 }
154}
155
156void BTimer::addTimer(BTimer *timer) {
157 assert(timer);
158
159 TimerList::iterator it = m_timerlist.begin();
160 TimerList::iterator it_end = m_timerlist.end();
161 int index = 0;
162 for (; it != it_end; ++it, ++index) {
163 if (((*it)->getTimeout().tv_sec > timer->getTimeout().tv_sec) ||
164 (((*it)->getTimeout().tv_sec == timer->getTimeout().tv_sec) &&
165 ((*it)->getTimeout().tv_usec >= timer->getTimeout().tv_usec))) {
166 break;
167 }
168 }
169 m_timerlist.insert(it, timer);
170
171}
172
173void BTimer::removeTimer(BTimer *timer) {
174 assert(timer);
175 m_timerlist.remove(timer);
176}
177