1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* Copyright (c) 2010 Soren Dreijer
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include "Swiften/EventLoop/SingleThreadedEventLoop.h"
#include <boost/bind.hpp>
#include <iostream>
#include "Swiften/Base/foreach.h"
namespace Swift {
SingleThreadedEventLoop::SingleThreadedEventLoop()
: shouldShutDown_(false)
{
}
SingleThreadedEventLoop::~SingleThreadedEventLoop() {
if (!events_.empty()) {
std::cerr << "Warning: Pending events in SingleThreadedEventLoop at destruction time." << std::endl;
}
}
void SingleThreadedEventLoop::waitForEvents() {
boost::unique_lock<boost::mutex> lock(eventsMutex_);
while (events_.empty() && !shouldShutDown_) {
eventsAvailable_.wait(lock);
}
if (shouldShutDown_)
throw EventLoopCanceledException();
}
void SingleThreadedEventLoop::handleEvents() {
// Make a copy of the list of events so we don't block any threads that post
// events while we process them.
std::vector<Event> events;
{
boost::unique_lock<boost::mutex> lock(eventsMutex_);
events.swap(events_);
}
// Loop through all the events and handle them
foreach(const Event& event, events) {
handleEvent(event);
}
}
void SingleThreadedEventLoop::stop() {
boost::unique_lock<boost::mutex> lock(eventsMutex_);
shouldShutDown_ = true;
eventsAvailable_.notify_one();
}
void SingleThreadedEventLoop::post(const Event& event) {
boost::lock_guard<boost::mutex> lock(eventsMutex_);
events_.push_back(event);
eventsAvailable_.notify_one();
}
} // namespace Swift
|
