ActionQueue no longer used

5 files changed, 0 insertions, 272 deletions

diff --git a/paludis/util/action_queue.cc b/paludis/util/action_queue.cc
deleted file mode 100644
index 615c752..0000000
--- a/paludis/util/action_queue.cc
+++ /dev/null
@@ -1,137 +0,0 @@
-/* vim: set sw=4 sts=4 et foldmethod=syntax : */
-
-/*
- * Copyright (c) 2007, 2008, 2010, 2011 Ciaran McCreesh
- *
- * This file is part of the Paludis package manager. Paludis is free software;
- * you can redistribute it and/or modify it under the terms of the GNU General
- * Public License version 2, as published by the Free Software Foundation.
- *
- * Paludis 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
- */
-
-#include <paludis/util/action_queue.hh>
-#include <paludis/util/pimp-impl.hh>
-#include <paludis/util/mutex.hh>
-#include <paludis/util/condition_variable.hh>
-#include <paludis/util/thread_pool.hh>
-#include <paludis/util/thread.hh>
-#include <deque>
-
-using namespace paludis;
-
-namespace paludis
-{
-    template <>
-    struct Imp<ActionQueue>
-    {
-        Mutex mutex;
-        ConditionVariable condition;
-        std::deque<std::function<void () throw ()> > queue;
-        ThreadPool threads;
-        bool limit_size;
-        bool should_finish;
-
-        void finish()
-        {
-            Lock l(mutex);
-            should_finish = true;
-            condition.broadcast();
-        }
-
-        void thread_func()
-        {
-            while (true)
-            {
-                std::function<void () throw ()> func;
-                {
-                    Lock l(mutex);
-                    if (queue.empty())
-                    {
-                        if (should_finish)
-                            break;
-
-                        condition.wait(mutex);
-                        continue;
-                    }
-                    else
-                    {
-                        func = *queue.begin();
-                        queue.pop_front();
-                    }
-                }
-
-                func();
-            }
-        }
-
-        Imp(const unsigned n_threads, const bool nice, const bool do_limit_size) :
-            limit_size(do_limit_size),
-            should_finish(false)
-        {
-            for (unsigned x(0) ; x < n_threads ; ++x)
-                if (nice)
-                    threads.create_thread(std::bind(&Thread::idle_adapter,
-                                std::function<void () throw ()>(std::bind(std::mem_fn(&Imp::thread_func), this))));
-                else
-                    threads.create_thread(std::bind(std::mem_fn(&Imp::thread_func), this));
-        }
-    };
-}
-
-ActionQueue::ActionQueue(const unsigned n_threads, const bool nice, const bool limit_size) :
-    _imp(n_threads, nice, limit_size)
-{
-}
-
-ActionQueue::~ActionQueue()
-{
-    enqueue(std::bind(std::mem_fn(&Imp<ActionQueue>::finish), _imp.get()));
-}
-
-void
-ActionQueue::enqueue(const std::function<void () throw ()> & f)
-{
-    Lock l(_imp->mutex);
-    if ((! _imp->limit_size) || (_imp->queue.size() < 1000))
-    {
-        _imp->queue.push_back(f);
-        _imp->condition.signal();
-    }
-    else
-        f();
-}
-
-void
-ActionQueue::complete_pending()
-{
-    ConditionVariable c;
-    Mutex m;
-    Lock l(m);
-
-    enqueue(std::bind(std::mem_fn(&ConditionVariable::acquire_then_signal), &c, std::ref(m)));
-    c.wait(m);
-}
-
-void
-ActionQueue::forget_pending()
-{
-    Lock l(_imp->mutex);
-    _imp->queue.clear();
-}
-
-unsigned
-ActionQueue::number_of_threads() const
-{
-    return _imp->threads.number_of_threads();
-}
-
-template class Pimp<ActionQueue>;
-
diff --git a/paludis/util/action_queue.hh b/paludis/util/action_queue.hh
deleted file mode 100644
index 479cff5..0000000
--- a/paludis/util/action_queue.hh
+++ /dev/null
@@ -1,78 +0,0 @@
-/* vim: set sw=4 sts=4 et foldmethod=syntax : */
-
-/*
- * Copyright (c) 2007, 2008, 2010, 2011 Ciaran McCreesh
- *
- * This file is part of the Paludis package manager. Paludis is free software;
- * you can redistribute it and/or modify it under the terms of the GNU General
- * Public License version 2, as published by the Free Software Foundation.
- *
- * Paludis 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
- */
-
-#ifndef PALUDIS_GUARD_PALUDIS_UTIL_ACTION_QUEUE_HH
-#define PALUDIS_GUARD_PALUDIS_UTIL_ACTION_QUEUE_HH 1
-
-#include <paludis/util/pimp.hh>
-#include <paludis/util/attributes.hh>
-#include <functional>
-
-namespace paludis
-{
-    /**
-     * An ActionQueue consists of a number of threads that take tasks from a
-     * queue.
-     *
-     * If threads are disabled, enqueueing an item executes it immediately.
-     *
-     * \ingroup g_threads
-     * \since 0.26
-     * \nosubgrouping
-     */
-    class PALUDIS_VISIBLE ActionQueue
-    {
-        private:
-            Pimp<ActionQueue> _imp;
-
-        public:
-            ///\name Basic operations
-            ///\{
-
-            ActionQueue(const unsigned n_threads = 1, const bool nice = false, const bool limit_size = true);
-            ~ActionQueue();
-
-            ///\}
-
-            /**
-             * Enqueue an item.
-             */
-            void enqueue(const std::function<void () throw ()> &);
-
-            /**
-             * Complete any pending tasks.
-             */
-            void complete_pending();
-
-            /**
-             * Forget any pending tasks.
-             */
-            void forget_pending();
-
-            /**
-             * How many threads do we have?
-             */
-            unsigned number_of_threads() const;
-    };
-
-    extern template class Pimp<ActionQueue>;
-
-}
-
-#endif
diff --git a/paludis/util/action_queue_TEST.cc b/paludis/util/action_queue_TEST.cc
deleted file mode 100644
index 18d61d0..0000000
--- a/paludis/util/action_queue_TEST.cc
+++ /dev/null
@@ -1,55 +0,0 @@
-/* vim: set sw=4 sts=4 et foldmethod=syntax : */
-
-/*
- * Copyright (c) 2007, 2008, 2011 Ciaran McCreesh
- *
- * This file is part of the Paludis package manager. Paludis is free software;
- * you can redistribute it and/or modify it under the terms of the GNU General
- * Public License version 2, as published by the Free Software Foundation.
- *
- * Paludis 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
- */
-
-#include <paludis/util/action_queue.hh>
-#include <paludis/util/join.hh>
-
-#include <list>
-
-#include <gtest/gtest.h>
-
-using namespace paludis;
-
-namespace
-{
-    void push_back_to_list(std::list<int> * const l, int x)
-    {
-        l->push_back(x);
-    }
-}
-
-TEST(ActionQueue, Works)
-{
-    std::list<int> l;
-    {
-        ActionQueue q;
-        for (int x(0) ; x < 100 ; ++x)
-            q.enqueue(std::bind(&push_back_to_list, &l, x));
-    }
-
-    std::list<int>::const_iterator i(l.begin());
-    for (int x(0) ; x < 100 ; ++x)
-    {
-        ASSERT_TRUE(i != l.end());
-        EXPECT_EQ(x, *i);
-        ++i;
-    }
-    EXPECT_TRUE(i == l.end());
-}
-
diff --git a/paludis/util/files.m4 b/paludis/util/files.m4
index ab81802..3ef3243 100644
--- a/paludis/util/files.m4
+++ b/paludis/util/files.m4
@@ -9,7 +9,6 @@ dnl `gtest', `impl', `testscript'. Note that there isn't much error checking don
 dnl on this file at present...
 
 add(`accept_visitor',                    `hh')
-add(`action_queue',                      `hh', `cc', `gtest')
 add(`active_object_ptr',                 `hh', `cc', `fwd', `gtest')
 add(`attributes',                        `hh')
 add(`buffer_output_stream',              `hh', `cc', `fwd', `gtest')
diff --git a/src/clients/cave/cmd_sync.cc b/src/clients/cave/cmd_sync.cc
index fe9ede4..b287430 100644
--- a/src/clients/cave/cmd_sync.cc
+++ b/src/clients/cave/cmd_sync.cc
@@ -21,7 +21,6 @@
 #include "exceptions.hh"
 #include "colours.hh"
 #include "format_user_config.hh"
-#include <paludis/util/action_queue.hh>
 #include <paludis/util/mutex.hh>
 #include <paludis/util/named_value.hh>
 #include <paludis/util/make_named_values.hh>