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EventManager now wakes up for next timer rather than running a 10Hz

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This commit is contained in:
Maxime Coste 2014-01-30 12:41:34 +00:00
parent 938f66badd
commit 410932330c
1 changed files with 10 additions and 2 deletions
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12
src/event_manager.cc
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@ -47,14 +47,22 @@ EventManager::~EventManager()
void EventManager::handle_next_events() void EventManager::handle_next_events()
{ {
const int timeout_ms = 100;
std::vector<pollfd> events; std::vector<pollfd> events;
events.reserve(m_fd_watchers.size()); events.reserve(m_fd_watchers.size());
for (auto& watcher : m_fd_watchers) for (auto& watcher : m_fd_watchers)
events.emplace_back(pollfd{ watcher->fd(), POLLIN | POLLPRI, 0 }); events.emplace_back(pollfd{ watcher->fd(), POLLIN | POLLPRI, 0 });
std::vector<int> forced; std::vector<int> forced;
std::swap(forced, m_forced_fd); std::swap(forced, m_forced_fd);
poll(events.data(), events.size(), timeout_ms);
TimePoint next_timer = TimePoint::max();
for (auto& timer : m_timers)
{
if (timer->next_date() <= next_timer)
next_timer = timer->next_date();
}
auto timeout = std::chrono::duration_cast<std::chrono::milliseconds>(next_timer - Clock::now());
poll(events.data(), events.size(), std::max(0, (int)timeout.count()));
for (size_t i = 0; i < events.size(); ++i) for (size_t i = 0; i < events.size(); ++i)
{ {
auto& event = events[i]; auto& event = events[i];