* Rewrote 'select' based polling in the client and finished the

'epoll' code. The client selects whichever is available on the current
platform.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@510 e378c898-3ddf-0310-93e7-cc216c733640

src/core/poll_manager.cc

@@ -0,0 +1,70 @@
+// rTorrent - BitTorrent client
+// Copyright (C) 2005, Jari Sundell
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// In addition, as a special exception, the copyright holders give
+// permission to link the code of portions of this program with the
+// OpenSSL library under certain conditions as described in each
+// individual source file, and distribute linked combinations
+// including the two.
+//
+// You must obey the GNU General Public License in all respects for
+// all of the code used other than OpenSSL.  If you modify file(s)
+// with this exception, you may extend this exception to your version
+// of the file(s), but you are not obligated to do so.  If you do not
+// wish to do so, delete this exception statement from your version.
+// If you delete this exception statement from all source files in the
+// program, then also delete it here.
+//
+// Contact:  Jari Sundell <jaris@ifi.uio.no>
+//
+//           Skomakerveien 33
+//           3185 Skoppum, NORWAY
+
+#include "config.h"
+
+#include <cerrno>
+#include <stdexcept>
+
+#include "poll_manager.h"
+
+namespace core {
+
+PollManager::PollManager(int maxOpenSockets) {
+  // Add a hack here to create larger fd_set's, depending on a USE
+  // flag.
+  
+  m_maxOpenSockets = maxOpenSockets;
+  m_readSet = new fd_set;
+  m_writeSet = new fd_set;
+  m_errorSet = new fd_set;
+}
+
+PollManager::~PollManager() {
+  delete m_readSet;
+  delete m_writeSet;
+  delete m_errorSet;
+}
+
+void
+PollManager::check_error() {
+  if (errno != EINTR)
+    throw std::runtime_error("Poll::work(): select error");
+
+  m_signalInterrupted.emit();
+}
+
+}