lockfree interaction patter for 3 theads implemented

1 files changed, 0 insertions, 153 deletions

diff --git a/src/context.cpp b/src/context.cpp
deleted file mode 100644
index 6b071cf..0000000
--- a/src/context.cpp
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
-    Copyright (c) 2007-2009 FastMQ Inc.
-
-    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/>.
-*/
-
-#include "../include/zmq.h"
-
-#include "context.hpp"
-#include "i_api.hpp"
-#include "app_thread.hpp"
-#include "io_thread.hpp"
-#include "platform.hpp"
-#include "err.hpp"
-#include "pipe.hpp"
-
-#if defined ZMQ_HAVE_WINDOWS
-#include "windows.h"
-#endif
-
-zmq::context_t::context_t (int app_threads_, int io_threads_)
-{
-#ifdef ZMQ_HAVE_WINDOWS
-    //  Intialise Windows sockets. Note that WSAStartup can be called multiple
-    //  times given that WSACleanup will be called for each WSAStartup.
-    WORD version_requested = MAKEWORD (2, 2);
-    WSADATA wsa_data;
-    int rc = WSAStartup (version_requested, &wsa_data);
-    zmq_assert (rc == 0);
-    zmq_assert (LOBYTE (wsa_data.wVersion) == 2 &&
-        HIBYTE (wsa_data.wVersion) == 2);
-#endif
-
-    //  Create application thread proxies.
-    for (int i = 0; i != app_threads_; i++) {
-        app_thread_t *app_thread = new app_thread_t (this, i);
-        zmq_assert (app_thread);
-        app_threads.push_back (app_thread);
-        signalers.push_back (app_thread->get_signaler ());
-    }
-
-    //  Create I/O thread objects.
-    for (int i = 0; i != io_threads_; i++) {
-        io_thread_t *io_thread = new io_thread_t (this, i + app_threads_);
-        zmq_assert (io_thread);
-        io_threads.push_back (io_thread);
-        signalers.push_back (io_thread->get_signaler ());
-    }
-
-    //  Create command pipe matrix.
-    command_pipes = new command_pipe_t [signalers.size () * signalers.size ()];
-    zmq_assert (command_pipes);
-
-    //  Launch I/O threads.
-    for (int i = 0; i != io_threads_; i++)
-        io_threads [i]->start ();
-}
-
-zmq::context_t::~context_t ()
-{
-    //  Close all application theads, sockets, io_objects etc.
-    for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
-        delete app_threads [i];
-
-    //  Ask I/O threads to terminate. If stop signal wasn't sent to I/O
-    //  thread subsequent invocation of destructor would hang-up.
-    for (io_threads_t::size_type i = 0; i != io_threads.size (); i++)
-        io_threads [i]->stop ();
-
-    //  Wait till I/O threads actually terminate.
-    for (io_threads_t::size_type i = 0; i != io_threads.size (); i++)
-        delete io_threads [i];
-
-    delete [] command_pipes;
-
-#ifdef ZMQ_HAVE_WINDOWS
-    //  On Windows, uninitialise socket layer.
-    int rc = WSACleanup ();
-    wsa_assert (rc != SOCKET_ERROR);
-#endif
-}
-
-int zmq::context_t::thread_slot_count ()
-{
-    return signalers.size ();
-}
-
-zmq::i_api *zmq::context_t::create_socket (int type_)
-{
-    threads_sync.lock ();
-    app_thread_t *thread = choose_app_thread ();
-    if (!thread) {
-        threads_sync.unlock ();
-        return NULL;
-    }
-
-    zmq_assert (false);
-    i_api *s = NULL;
-    //i_api *s = thread->create_socket (type_);
-
-    threads_sync.unlock ();
-    return s;
-}
-
-zmq::app_thread_t *zmq::context_t::choose_app_thread ()
-{
-    //  Check whether thread ID is already assigned. If so, return it.
-    for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
-        if (app_threads [i]->is_current ())
-            return app_threads [i];
-
-    //  Check whether there's an unused thread slot in the cotext.
-    for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
-        if (app_threads [i]->make_current ())
-            return app_threads [i];
-
-    //  Thread limit was exceeded.
-    errno = EMFILE;
-    return NULL;
-}
-
-zmq::io_thread_t *zmq::context_t::choose_io_thread (uint64_t taskset_)
-{
-    zmq_assert (io_threads.size () > 0);
-
-    //  Find the I/O thread with minimum load.
-    int min_load = io_threads [0]->get_load ();
-    io_threads_t::size_type result = 0;
-    for (io_threads_t::size_type i = 1; i != io_threads.size (); i++) {
-        if (!taskset_ || (taskset_ & (uint64_t (1) << i))) {
-            int load = io_threads [i]->get_load ();
-            if (load < min_load) {
-                min_load = load;
-                result = i;
-            }
-        }
-    }
-
-    return io_threads [result];
-}