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diff --git a/M4-RCs/qpid/cpp/src/qpid/sys/posix/PollableCondition.h b/M4-RCs/qpid/cpp/src/qpid/sys/posix/PollableCondition.h
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--- a/M4-RCs/qpid/cpp/src/qpid/sys/posix/PollableCondition.h
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-#ifndef QPID_SYS_POSIX_POLLABLECONDITION_H
-#define QPID_SYS_POSIX_POLLABLECONDITION_H
-
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-#include "qpid/sys/IOHandle.h"
-
-namespace qpid {
-namespace sys {
-
-/**
- * A pollable condition to integrate in-process conditions with IO
- * conditions in a polling loop.
- *
- * Setting the condition makes it readable for a poller.
- *
- * Writable/disconnected conditions are undefined and should not be
- * polled for.
- */
-class PollableCondition : public sys::IOHandle {
- public:
- PollableCondition();
-
- /** Set the condition, triggers readable in a poller. */
- void set();
-
- /** Get the current state of the condition, then clear it.
- *@return The state of the condition before it was cleared.
- */
- bool clear();
-
- private:
- int writeFd;
-};
-}} // namespace qpid::sys
-
-#endif /*!QPID_SYS_POSIX_POLLABLECONDITION_H*/