Re: Time out a connect() call
Re: Time out a connect() call
- Subject: Re: Time out a connect() call
- From: Nathan Sims <email@hidden>
- Date: Mon, 21 Nov 2011 15:27:54 -0800
select() works great! Thanks!
On Nov 21, 2011, at 12:59 PM, Satish Kilaru wrote:
> Use select() before calling recvfrom().
> ________________________________________
> From: macnetworkprog-bounces+skilaru=email@hidden [macnetworkprog-bounces+skilaru=email@hidden] On Behalf Of Nathan Sims [email@hidden]
> Sent: Monday, November 21, 2011 3:27 PM
> To: Mac Network Programming
> Subject: Re: Time out a connect() call
>
>> On Feb 28, 2011, at 3:28 PM, Vincent Lubet wrote:
>>>
>>> On Feb 28, 2011, at 3:18 PM, Nathan Sims wrote:
>>>>
>>>> On Feb 28, 2011, at 1:19 PM, Josh Graessley wrote:
>>>>
>>>>> There is a socket option that will let you adjust the TCP connection timeout. Changing the timeout does not address the issue that 5 seconds can feel like an eternity, and any timeout short enough to not feel like an eternity is unlikely to be long enough to satisfy every situation.
>>>>
>>>> Do you mean socket option SO_RCVTIMEO or is there one specifically for connect()? The reason I'm wanting to set it down so low is because it's for use on a dedicated intranet, and the destination is either there or it's not, so 5 to 10 seconds is generous in this case.
>>>
>>> No, Josh was referring to TCP_CONNECTIONTIMEOUT from <netinet/tcp.h>
>
> The above works great on TCP sockets. Now I have a socket(AF_UNIX, SOCK_DGRAM, 0) and want to specify a timeout value on a recvfrom() call to that socket. I can't find a UDP equivalent to TCP_CONNECTIONTIMEOUT. How can I time out the recvfrom() call?
>
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