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-rw-r--r--ndb/src/old_files/rep/SignalQueue.hpp117
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diff --git a/ndb/src/old_files/rep/SignalQueue.hpp b/ndb/src/old_files/rep/SignalQueue.hpp
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--- a/ndb/src/old_files/rep/SignalQueue.hpp
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-/* Copyright (C) 2003 MySQL AB
-
- This program is free software; you can redistribute 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-
-#ifndef __SIGNALQUEUE_HPP_INCLUDED__
-#define __SIGNALQUEUE_HPP_INCLUDED__
-
-#include <NdbApiSignal.hpp>
-#include <NdbMutex.h>
-#include <NdbCondition.h>
-#include <Vector.hpp>
-
-/* XXX Look for an already existing definition */
-#define DEFAULT_TIMEOUT 10000
-
-/**
- * @class SignalQueue
- * @brief
- */
-class SignalQueue {
-public:
- typedef void (* SignalHandler)(void *obj, int gsn, NdbApiSignal *signal);
-
- SignalQueue();
- ~SignalQueue();
-
- /**
- * Static wrapper making it possible to call receive without knowing the
- * type of the receiver
- */
- static void receive(void *me, NdbApiSignal *signal);
-
- /**
- * Enqueues a signal, and notifies any thread waiting for signals.
- */
- void receive(NdbApiSignal *signal);
-
- NdbApiSignal *waitFor(int gsn,
- NodeId nodeid = 0,
- Uint32 timeout = DEFAULT_TIMEOUT);
- template<class T> bool waitFor(Vector<T> &t,
- T *&handler,
- NdbApiSignal *&signal,
- Uint32 timeout);
-
- /**
- * size()
- */
-
- Uint32 size() {return m_queueSize;};
-
-private:
- NdbMutex *m_mutex; /* Locks all data in SignalQueue */
- NdbCondition *m_cond; /* Notifies about new signal in the queue */
-
- /**
- * Returns the last recently received signal.
- * Must be called with m_mutex locked.
- *
- * The caller takes responsibility for deleting the returned object.
- *
- * @returns NULL if failed, or a received signal
- */
- NdbApiSignal *pop();
-
- class QueueEntry {
- public:
- NdbApiSignal *signal;
- QueueEntry *next;
- };
- QueueEntry *m_signalQueueHead; /** Head of the queue.
- * New entries added on the tail
- */
- Uint32 m_queueSize;
-};
-
-template<class T> bool
-SignalQueue::waitFor(Vector<T> &t,
- T *&handler,
- NdbApiSignal *&signal,
- Uint32 timeout) {
- Guard g(m_mutex);
-
- if(m_signalQueueHead == NULL)
- NdbCondition_WaitTimeout(m_cond, m_mutex, timeout);
-
- if(m_signalQueueHead == NULL)
- return false;
-
- for(size_t i = 0; i < t.size(); i++) {
- if(t[i].check(m_signalQueueHead->signal)) {
- handler = &t[i];
- signal = pop();
- return true;
- }
- }
-
- ndbout_c("SignalQueue: Queued signal without true check function (GSN: %d)",
- m_signalQueueHead->signal->theVerId_signalNumber);
- abort();
-
- return false;
-}
-
-#endif /* !__SIGNALQUEUE_HPP_INCLUDED__ */