From 597cc5edd624525563e6549dc0057eca2a51c81d Mon Sep 17 00:00:00 2001
From: Micah Anderson <micah@riseup.net>
Date: Tue, 11 Nov 2014 13:30:46 -0500
Subject: upgrade to new version

---
 src/io_thread.cpp | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/io_thread.cpp

(limited to 'src/io_thread.cpp')

diff --git a/src/io_thread.cpp b/src/io_thread.cpp
new file mode 100644
index 0000000..5633a02
--- /dev/null
+++ b/src/io_thread.cpp
@@ -0,0 +1,102 @@
+/*
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <new>
+
+#include "io_thread.hpp"
+#include "platform.hpp"
+#include "err.hpp"
+#include "ctx.hpp"
+
+zmq::io_thread_t::io_thread_t (ctx_t *ctx_, uint32_t tid_) :
+    object_t (ctx_, tid_)
+{
+    poller = new (std::nothrow) poller_t;
+    alloc_assert (poller);
+
+    mailbox_handle = poller->add_fd (mailbox.get_fd (), this);
+    poller->set_pollin (mailbox_handle);
+}
+
+zmq::io_thread_t::~io_thread_t ()
+{
+    delete poller;
+}
+
+void zmq::io_thread_t::start ()
+{
+    //  Start the underlying I/O thread.
+    poller->start ();
+}
+
+void zmq::io_thread_t::stop ()
+{
+    send_stop ();
+}
+
+zmq::mailbox_t *zmq::io_thread_t::get_mailbox ()
+{
+    return &mailbox;
+}
+
+int zmq::io_thread_t::get_load ()
+{
+    return poller->get_load ();
+}
+
+void zmq::io_thread_t::in_event ()
+{
+    //  TODO: Do we want to limit number of commands I/O thread can
+    //  process in a single go?
+
+    command_t cmd;
+    int rc = mailbox.recv (&cmd, 0);
+
+    while (rc == 0 || errno == EINTR) {
+        if (rc == 0)
+            cmd.destination->process_command (cmd);
+        rc = mailbox.recv (&cmd, 0);
+    }
+
+    errno_assert (rc != 0 && errno == EAGAIN);
+}
+
+void zmq::io_thread_t::out_event ()
+{
+    //  We are never polling for POLLOUT here. This function is never called.
+    zmq_assert (false);
+}
+
+void zmq::io_thread_t::timer_event (int)
+{
+    //  No timers here. This function is never called.
+    zmq_assert (false);
+}
+
+zmq::poller_t *zmq::io_thread_t::get_poller ()
+{
+    zmq_assert (poller);
+    return poller;
+}
+
+void zmq::io_thread_t::process_stop ()
+{
+    poller->rm_fd (mailbox_handle);
+    poller->stop ();
+}
-- 
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