From 5a02d3808184d4d2714c7ab4a608a7b698624b35 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Mon, 23 Sep 2013 20:32:31 +0200
Subject: [PATCH] small optimization in event manager

---
 src/event_manager.cc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/event_manager.cc b/src/event_manager.cc
index 13cd9bd6..3d0c9f31 100644
--- a/src/event_manager.cc
+++ b/src/event_manager.cc
@@ -52,8 +52,8 @@ void EventManager::handle_next_events()
     events.reserve(m_fd_watchers.size());
     for (auto& watcher : m_fd_watchers)
         events.emplace_back(pollfd{ watcher->fd(), POLLIN | POLLPRI, 0 });
-    std::vector<int> forced = m_forced_fd;
-    m_forced_fd.clear();
+    std::vector<int> forced;
+    std::swap(forced, m_forced_fd);
     poll(events.data(), events.size(), timeout_ms);
     for (size_t i = 0; i < events.size(); ++i)
     {
@@ -82,7 +82,6 @@ void EventManager::handle_next_events()
 void EventManager::force_signal(int fd)
 {
     m_forced_fd.push_back(fd);
-
 }
 
 }