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< Erlang ~ gen_tcp synchronous/asynchronous blocking/non blocking I/O |
| xalnia |
 Posted: Fri Apr 24, 2009 2:29 pm |
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Joined: 24 Apr 2009
Posts: 1
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Does gen_tcp use synchronous I/O or asynchronous I/O?
As I understand things...
The accept function is a blocking call, so its synchronous blocking I/O.
The gen_tcp receive function performs blocking synchronous I/O too as the calling process blocks.
but what about when we set active process to true, and simply receive, does that become asynchronous/non blocking I/O, as we simply call receive, and receive ANY request (so we're receiving all types of messages). however its still blocking given that the receive primitive is a blocking function itself.
Am i making any sense?
Would appreciate it if anyone could clarify things for me. |
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