Port for inter-task communication.
Source position: exec.pas line 365
| type PMsgPort = ^TMsgPort; | 
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 | Add a public message port to the system | |
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 | Remove a message port from the system | |
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 | Create a structure usable for an I/O request | |
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 | Create a new message port | |
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 | Free a message port | |
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 | Find a system message port by name | |
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 | Get next message from message port | |
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 | Put a message to a message port | |
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 | Wait for a given port to be non-empty |