text: #ifndef _sys_posix_Condition_h
  #define _sys_posix_Condition_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/posix/PrivatePosix.h"
  
  #include "qpid/sys/Mutex.h"
  #include "qpid/sys/Time.h"
  
  #include <time.h>
  #include <sys/errno.h>
  #include <boost/noncopyable.hpp>
  
  namespace qpid {
  namespace sys {
  
  /**
   * A condition variable for thread synchronization.
   */
  class Condition
  {
    public:
      Condition();
      ~Condition();
      void wait(Mutex&);
      bool wait(Mutex&, const AbsTime& absoluteTime);
      void notify();
      void notifyAll();
  
    private:
      pthread_cond_t condition;
  };
  
  inline Condition::~Condition() {
      QPID_POSIX_ABORT_IF(pthread_cond_destroy(&condition));
  }
  
  inline void Condition::wait(Mutex& mutex) {
      QPID_POSIX_ASSERT_THROW_IF(pthread_cond_wait(&condition, &mutex.mutex));
  }
  
  inline bool Condition::wait(Mutex& mutex, const AbsTime& absoluteTime){
      struct timespec ts;
      toTimespec(ts, absoluteTime);
      int status = pthread_cond_timedwait(&condition, &mutex.mutex, &ts);
      if (status != 0) {
          if (status == ETIMEDOUT) return false;
          throw QPID_POSIX_ERROR(status);
      }
      return true;
  }
  
  inline void Condition::notify(){
      QPID_POSIX_ASSERT_THROW_IF(pthread_cond_signal(&condition));
  }
  
  inline void Condition::notifyAll(){
      QPID_POSIX_ASSERT_THROW_IF(pthread_cond_broadcast(&condition));
  }
  
  }}
  #endif  /*!_sys_posix_Condition_h*/
  