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Topic: again, OS and multithreaded basics (Read 673 times) |
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puzzlecracker
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again, OS and multithreaded basics
« on: Jan 7th, 2005, 1:01pm » |
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what is the differnce between fd (file descripter) and fopen pointer?
How do you manage multiple sockets in C++ (what are the systems called used, etc)?
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TenaliRaman
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Re: again, OS and multithreaded basics
« Reply #1 on: Jan 8th, 2005, 2:47am » |
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Quote:| what is the differnce between fd (file descripter) and fopen pointer? |
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The pointer given by fopen is actually a pointer to FILE structure. The file descriptor is simply an integer. The system maintains a table of information of all the files that have been opened. The file desciptor points the entry in this table.
Quote:| How do you manage multiple sockets in C++ (what are the systems called used, etc)? |
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I dont know doing it in C++ is any different than we do it in C. A structure called socketaddr_in is available for this purpose.
You can read abt them here,
http://en.wikipedia.org/wiki/Berkeley_sockets
The rest i will leave to you to find from man pages.
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