RE: General socket question: Would server knows the connection hasbeen broken if client drop the connection without calling close()

That is kind of what I though it would happen.  However, we are
encountering some problems where when client program ended abnormally
without calling close() api, the server seems to be hanging on to the
connection.  When we try to restart the client program we get the host
refuses connection error.  We normally end up have to call the admin to
clear the port to be able to reconnect again.
 

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of David Gibbs
Sent: Wednesday, January 18, 2006 11:09 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: General socket question: Would server knows the connection
hasbeen broken if client drop the connection without calling close()

Scott Klement wrote:
>> If I've a socket program that connected to a server and the program 
>> ended abnormally without calling the close() to close the connection,

>> would the server knows that the connection has been broken and auto 
>> drop the connection?
> How can the client drop the connection without calling close()?

To answer Scott's question ...

ENDJOB OPTION(*IMMED)

SIGNOFF

To answer Lim's question ...

If the connection is dropped, the server should receive an error when it
tries to read, write, or select, because the socket would not longer be
valid.

david

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