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Ports are obtained while a new process is created or by receiving them as a message. In the following example the SendingPorts array will be filled out by ports created as a result of starting NumOfNodes copies of the SlaveName program on Nodes nodes.
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#define NumOfNodes 8
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#define SlaveName "/usr/janusz/slave_program"
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TCE_Port *SendingPorts[NumOfNodes];
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TCE_Chn *Channels[NumOfNodes];
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...
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n = tce_exec(SendingPorts,Nodes,SlaveName,TCE_InPort,NumOfNodes);
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tce_chn_init(Channels,TCE_InPort,SendingPorts,n);
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for(i = 0; i < n; i++)
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tce_chn_snd(Channels[i],SendingPorts,n,FMT_Port);
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...
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Using those ports the parent process can now establish a dedicated channel to each of its children by calling tce_chn_init. Through the channels it can pass the sending ports to all its children (tce_chn_snd).
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