Re: [libmicrohttpd] Remove PlibC from autotools files

[LRN]

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On 10.08.2013 13:50, Christian Grothoff wrote:
> On 08/10/13 00:24, LRN wrote:
>>> Isn't it simple to use local socket instead of pipe? This will work on all 
>>> platforms.
>>>
>>> I don't think than requiring Vista+ is good solution for MHD.
>>>
>> That is also a good idea - using threads to simultaneously select on
>> sockets and a pipe will require a socket for wakeup anyway, so just
>> using a socket instead of a pipe in the first place, and forgoing the
>> pipe entirely, seems the logical choice.
> 
> I had actually been thinking of using that kind of construction for 
> handling "HTTP UPGRADE" and SSL, essentially returning a local socket 
> (on W32) for the (encrypted) communication with the client.  Here, a 
> pipe would not do as the communication after UPGRADE would be bidirectional.
> 
> So there's another reason to add code to create a local socket to MHD, 
> which means I like this suggestion even better.  If in the end all we 
> have to do is
> 
> #if WINDOWS
> localsocket (bla);
> else
> pipe (bla);
> #endif
> 
> or in another location (for UPGRADE)
> 
> #if WINDOWS
> localsocket (bla);
> else
> socketpair (args, bla);
> #endif
> 
> and in return for those "minor" #ifdefs we get to eliminate plibc and 
> the select-mess, I think I'll be quite happy.

I've added a socketpair() implementation to plibc, updated plibc.h* in
MHD, and made MHD use SOCKETPAIR() instead of PIPE() on W32.

* Also added EACCESS.

ndurner, how's mingw.org plibc testing going on? We will need to release
a new plibc in time for the next MHD release.

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