From a15854bd92db69fcd0b4444fe1b8fe3610a7acf6 Mon Sep 17 00:00:00 2001
From: Martin Lucina <martin@lucina.net>
Date: Mon, 23 Jan 2012 08:53:19 +0100
Subject: Imported Upstream version 2.0.7.dfsg

---
 src/io_thread.hpp | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 src/io_thread.hpp

(limited to 'src/io_thread.hpp')

diff --git a/src/io_thread.hpp b/src/io_thread.hpp
new file mode 100644
index 0000000..3d832c0
--- /dev/null
+++ b/src/io_thread.hpp
@@ -0,0 +1,85 @@
+/*
+    Copyright (c) 2007-2010 iMatix Corporation
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the Lesser GNU 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
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the Lesser GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_IO_THREAD_HPP_INCLUDED__
+#define __ZMQ_IO_THREAD_HPP_INCLUDED__
+
+#include <vector>
+
+#include "stdint.hpp"
+#include "object.hpp"
+#include "poller.hpp"
+#include "i_poll_events.hpp"
+#include "signaler.hpp"
+
+namespace zmq
+{
+
+    //  Generic part of the I/O thread. Polling-mechanism-specific features
+    //  are implemented in separate "polling objects".
+
+    class io_thread_t : public object_t, public i_poll_events
+    {
+    public:
+
+        io_thread_t (class ctx_t *ctx_, uint32_t thread_slot_);
+
+        //  Clean-up. If the thread was started, it's neccessary to call 'stop'
+        //  before invoking destructor. Otherwise the destructor would hang up.
+        ~io_thread_t ();
+
+        //  Launch the physical thread.
+        void start ();
+
+        //  Ask underlying thread to stop.
+        void stop ();
+
+        //  Returns signaler associated with this I/O thread.
+        signaler_t *get_signaler ();
+
+        //  i_poll_events implementation.
+        void in_event ();
+        void out_event ();
+        void timer_event ();
+
+        //  Used by io_objects to retrieve the assciated poller object.
+        poller_t *get_poller ();
+
+        //  Command handlers.
+        void process_stop ();
+
+        //  Returns load experienced by the I/O thread.
+        int get_load ();
+
+    private:
+
+        //  Poll thread gets notifications about incoming commands using
+        //  this signaler.
+        signaler_t signaler;
+
+        //  Handle associated with signaler's file descriptor.
+        poller_t::handle_t signaler_handle;
+
+        //  I/O multiplexing is performed using a poller object.
+        poller_t *poller;
+    };
+
+}
+
+#endif
-- 
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