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Implementating "select" functionality for Windows
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 Implementating "select" functionality for Win... - Apr. 19, '06, 6:07:51 AM
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kunduanil
Posts: 2
Joined: Apr. 19, '06,
Status: offline
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Hi All,
I am currently involved in porting an Unix based app to Windows. I need to implement select/poll functionality on Windows OS. For sockets I am able to do but for other file descriptiors I am not able to achieve this functionalty. I had studied in Unix mannual and some other stuff which says file descriptiors does not behave in same manner as in Unix. So can anyone help me in this matter.
Regards
Anil
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RE: Implementating "select" functionality for... - Apr. 19, '06, 10:22:16 AM
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woehlkmp
Posts: 102
Status: offline
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poll() doesn't work. Don't even try. However, other than the timeout being broken, I've had no problems using select() on fd's (on pipes, anyway - see first link). Unfortunately, if you actually need responsiveness without tightlooping, you're SOL.
Do you have an example of something that isn't working? What are you trying to accomplish?
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RE: Implementating "select" functionality for... - Apr. 19, '06, 10:45:28 AM
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kunduanil
Posts: 2
Joined: Apr. 19, '06,
Status: offline
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Actully we are having some Unix code and that we need to port to Windows. We donot have architecture of this piece. So I am converting line by line code to equivlant in Windows.
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RE: Implementating "select" functionality for... - Apr. 19, '06, 10:53:13 AM
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woehlkmp
Posts: 102
Status: offline
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Ok, I'm confused... you are NOT porting it to Interix? You are porting it to native Windows code? If so, why are you asking on an Interix forum and not a Windows programming forum?
Regardless, no one is going to be able to help you unless you can give us a better idea of what you're trying to do. By "other file descriptors", do you mean pipes (e.g. stdin, stdout, etc) or file-system files? Are you trying to determine if a fs-file has changed or if there is new data on a pipe, or are you trying to find out if a write will not block? Or are none of my guesses correct? Or are all of them correct? We will be much more able to assist if you can be more specific!
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