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Re: [lwip-users] How we can set timeout in blocking socket
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From: |
Kieran Mansley |
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Subject: |
Re: [lwip-users] How we can set timeout in blocking socket |
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Date: |
Wed, 03 Dec 2008 14:24:16 +0000 |
On Wed, 2008-12-03 at 22:15 +0800, yueyue papa wrote:
> I am confused
>
> >>You can use the SO_RCVTIMEO socket option to set the recv()
> operation's timeout
> it means I could set receive timeout for receive timeout, but I could
> not use it for connect timeout. Am I right?
> So write is is not time out,
> Listen is no timeout
That is correct.
listen() is not normally a blocking call anyway.
recv() can time out if you set SO_RCVTIMEO
accept() will also time out if you set SO_RCVTIMEO
connect() and write() would need support for SO_CONTIMEO and SO_SNDTIMEO
which are not implemented (yet) in lwIP.
Kieran