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New to cygwin
by Tomasz Jankowski
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Hello!
I'm completely new to cygwin (and generally to programming for the MS Windows too). I'm working on a library and I need to use some socket API in it. I decided to prepare port for win32, but it's much harder, that I thought. I found, that cygwin can make my life easier, especially a DLL provided by you. Generally I need cygwin only for network related functionality, for rest I use GLib. I have a few questions: 1. I found, that functions like sendmsg and recvmsg are available in cygwin, is it true? 2. What about IPv6, is it available in cygwin? 3. Does cygwin in some way support some other socket options, that win32 do? 4. How does the performance look? Will my library have really poorer performance if I use cygwin instead of winsock API? -- Cya! Tom -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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RE: New to cygwin
by Dave Korn
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On 26 November 2007 17:35, Tomasz Jankowski wrote:
> 1. I found, that functions like sendmsg and recvmsg are available in > cygwin, is it true? Yep. > 2. What about IPv6, is it available in cygwin? Nope, not yet, but it's under active development at the moment. > 3. Does cygwin in some way support some other socket options, that win32 do? It supports the berkeley sockets API, but relies on the features of the underlying OS to implement it, so it cannot do anything that windows itself does not support (though it may be it more or less easy to access certain functionality using one API or the other). > 4. How does the performance look? Will my library have really poorer > performance if I use cygwin instead of winsock API? There is a bit of overhead, but not a great deal; most of cygwin's implementations of the berkeley sockets APIs are just fairly thin wrappers around calls to the underlying winsock functionality that is used to implement them. cheers, DaveK -- Can't think of a witty .sigline today.... -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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Re: New to cygwin
by Tomasz Jankowski
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One more question, does anyone tried to build sctplib using cygwin?
Here is link to page with source code I'm talking about: http://www.sctp.de/sctp-download.html The most important for me is package named 'socketapi', because it provides API documented in set of RFC documents about SCTP protocol API. I have talked with sctplib developers and they said that so far none had tried to build it for win32. -- Cya! Tom -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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Re: New to cygwin
by Erich Dollansky
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Hi,
Tomasz Jankowski wrote: > > I'm completely new to cygwin (and generally to programming for the MS > Windows too). I'm working on a library and I need to use some socket > API in it. I decided to prepare port for win32, but it's much harder, > that I thought. the basic socket API of Windows and cygwin is the same based on Berkeley. I would not recommend to use cygwin if you want to write a plain Windows program. I would recommend to use cygwin if you want to write a program for multiple platforms. > 4. How does the performance look? Will my library have really poorer > performance if I use cygwin instead of winsock API? This is a minor problem for thinks like this. What is your programming background? Erich -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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Re: New to cygwin
by Tomasz Jankowski
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2007/11/27, Erich Dollansky <oceanare@...>:
> > I would recommend to use cygwin if you want to write a program for > multiple platforms. That is what I'm going to do. > What is your programming background? Sorry I don't understand this question? What do mean by "background"? :( -- Cya! Tom -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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Re: New to cygwin
by Thorsten Kampe
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* Tomasz Jankowski (Tue, 27 Nov 2007 17:36:16 +0100)
> 2007/11/27, Erich Dollansky <oceanare@...>: > > I would recommend to use cygwin if you want to write a program for > > multiple platforms. > That is what I'm going to do. > > > What is your programming background? > Sorry I don't understand this question? What do mean by > "background"? :( "experience"... Thorsten -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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Re: New to cygwin
by joekrahn
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This is the very sort of thing that Cygwin was made for: using standard POSIX code under Windows. In many cases, code can be compiled with no changes at all. The end result is that you will have a bit of extra overhead and a dependency on Cygwin, in exchange for very little programming effort, and benefit from future improvements to the original library. Joe Krahn |
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Re: New to cygwin
by Erich Dollansky
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Hi,
Tomasz Jankowski wrote: > 2007/11/27, Erich Dollansky <oceanare@...>: >> I would recommend to use cygwin if you want to write a program for >> multiple platforms. > That is what I'm going to do. > >> What is your programming background? > Sorry I don't understand this question? What do mean by "background"? :( > C, Pascal .. Unix, Windows ... Erich -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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Re: New to cygwin
by sarshh
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Hi, can any one please guide me as I am unable to include <netinet/sctp.h> using cygwin, what could be the problem, and what should be done to solve it?
best Regards
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SCTP (was Re: New to cygwin)
by Corinna Vinschen-2
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On Feb 2 02:48, sarshh wrote:
> Hi, can any one please guide me as I am unable to include <netinet/sctp.h> > using cygwin, what could be the problem, and what should be done to solve > it? The reason for your problem is that there is no file netinet/sctp.h on Cygwin. The reason why there is no such file on Cygwin is that Windows does not support the sctp protocol natively and nobody implemented sctp for Cygwin so far. http://cygwin.com/acronyms/#SHTDI http://cygwin.com/acronyms/#PTC There's a free implementation of SCTP for various platforms under the GPL here: http://www.sctp.de/ You can try to build it for Cygwin and, ideally, maintain it for the Cygwin net distro. See http://cygwin.com/setup.html > best Regards > > Tomasz Jankowski wrote: > > > > Hello! > > [...] However, there's *no* good reason to hijack an entirely unrelated thread. If you have questions, open your own thread. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ |
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