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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-06-26 00:41:16 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-06-26 00:41:16 +0000
commit698569f8428ca088f764d704034a1330517b98c0 (patch)
treebf45be6946ebbbee9cce5a5bcf838f4c952d87e6 /chalk/core/kis_thread_pool.h
parent2785103a6bd4de55bd26d79e34d0fdd4b329a73a (diff)
downloadkoffice-698569f8428ca088f764d704034a1330517b98c0.tar.gz
koffice-698569f8428ca088f764d704034a1330517b98c0.zip
Finish rebranding of Krita as Chalk
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1238363 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ * copyright (c) 2006 Boudewijn Rempt
+ *
+ * This program is free software; you can distribute 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KIS_THREAD_POOL_
+#define KIS_THREAD_POOL_
+
+#include <tqthread.h>
+#include <tqptrlist.h>
+#include <tqmutex.h>
+
+#include "kis_thread.h"
+
+/**
+ * A thread pool starts executing threads some time after they are added,
+ * running a maximum number of threads at one time.
+ *
+ * The pool takes ownership of the threads and _deletes_ them once they
+ * have run. This means that you cannot add getters for important data to
+ * threads you feed the threadpool. Instead, post the data using a customevent.
+ */
+class KisThreadPool : public KisThread {
+
+public:
+
+ virtual ~KisThreadPool();
+
+ static KisThreadPool * instance();
+
+ void enqueue(KisThread * thread);
+ void dequeue(KisThread * thread);
+
+ void run();
+
+
+ KisThreadPool();
+
+private:
+
+ KisThreadPool(const KisThreadPool&);
+ KisThreadPool operator=(const KisThreadPool&);
+
+ TQMutex m_poolMutex;
+ int m_numberOfRunningThreads;
+ int m_numberOfQueuedThreads;
+ int m_maxThreads;
+ int m_wait;
+ TQPtrList<KisThread> m_threads;
+ TQPtrList<KisThread> m_runningThreads;
+ TQPtrList<KisThread> m_oldThreads;
+
+ static KisThreadPool * m_singleton;
+};
+
+
+#endif