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      using a <constant>CONNECT_TO_ME</constant> message which creates a
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      using a <constant>CONNECT_TO_ME</constant> message which creates a
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      callback connection. Every service that wants to receive connections
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      callback connection. Every service that wants to receive connections
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      asks name service task to create a callback connection.</para>
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      asks name service task to create a callback connection.</para>
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      <para>Tasks can share their address space areas using IPC messages. The
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      <para>Tasks can share their address space areas using IPC messages. The
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      2 message types - AS_AREA_SEND and AS_AREA_RECV are used for sending and
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      2 message types - <constant>AS_AREA_SEND</constant> and <constant>AS_AREA_RECV</constant> are used for sending and
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      receiving an address area respectively. The shared area can be accessed
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      receiving an address area respectively. The shared area can be accessed
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      as soon as the message is acknowledged.</para>
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      as soon as the message is acknowledged.</para>
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    </section>
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    </section>
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  </section>
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  </section>
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