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Re: [libmicrohttpd] Re : Re: Re : Re: External select mode limited to 10
From: |
Christian Grothoff |
Subject: |
Re: [libmicrohttpd] Re : Re: Re : Re: External select mode limited to 1024 FDs |
Date: |
Mon, 16 Mar 2015 17:31:01 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.4.0 |
On 03/16/2015 05:09 PM, address@hidden wrote:
> Le 11/03/15, *Christian Grothoff * <address@hidden> a écrit :
>> On 03/11/2015 12:58 PM, address@hidden wrote:
>>> Hi Christian,
>>>
>>> I wanted to use external threads because my system has the following
>>> constraints:
>>> 1) One connection per thread: the response to the client is time critical
>>> and I cannot afford that a connection delays another one.
>>
>> Then you should use the one-thread-per-connection mode, that is exactly
>> what you want. MHD will use a thread for each connection, which matches
>> your requirements. This method also has no limits on open FDs as MHD
>> doesn't use select() but blocking read/write operations instead.
>
> Are you refering to MHD_USE_THREAD_PER_CONNECTION?
Yes.
> Or using
> MHD_OPTION_CONNECTION_LIMIT
No, that option has nothing to do with the threading modes.
> set to MHD_OPTION_THREAD_POOL_SIZE?
No, a thread pool is again different, as there you use one thread to
handle multiple connections, which may give you the delays you found so
problematic.
> In both cases shouldn't I use MHD_USE_POLL in order not to use select ()?
MHD_USE_POLL has no impact on MHD_USE_THREAD_PER_CONNECTION, as in that
case neither select() nor poll() are used anyway.
Happy hacking!
Christian
0xE29FC3CC.asc
Description: application/pgp-keys
- [libmicrohttpd] External select mode limited to 1024 FDs, louisbenoit, 2015/03/04
- Re: [libmicrohttpd] External select mode limited to 1024 FDs, Christian Grothoff, 2015/03/05
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- [libmicrohttpd] Re : Re: External select mode limited to 1024 FDs, louisbenoit, 2015/03/11
- Re: [libmicrohttpd] Re : Re: External select mode limited to 1024 FDs, Christian Grothoff, 2015/03/11
- Message not available
- [libmicrohttpd] Re : Re: Re : Re: External select mode limited to 1024 FDs, louisbenoit, 2015/03/16
- Re: [libmicrohttpd] Re : Re: Re : Re: External select mode limited to 1024 FDs,
Christian Grothoff <=
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- [libmicrohttpd] Re : Re: Re : Re: Re : Re: External select mode limited to 1024 FDs, louisbenoit, 2015/03/16
- Re: [libmicrohttpd] Re : Re: Re : Re: Re : Re: External select mode limited to 1024 FDs, Christian Grothoff, 2015/03/16
Re: [libmicrohttpd] External select mode limited to 1024 FDs, Luke Dashjr, 2015/03/11