Bloomberg LP Interview Question for Software Engineer / Developers






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0
of 0 vote

Data over network means data coming on socket created. When the data arrives there is a kernel space buffer allocated to it. Sending a pointer of char type from user space wont do the job. As we can not access kernel space buffers from user space directly, we need to pass the user space memory to the call which returns the network data.
With regards to size of data, the underlying n/w protocol has a fixed packet size decided while performing a hand shake. So we can use that to allocate the maximum size for our user space buffer.

- ked February 28, 2008 | Flag Reply
Comment hidden because of low score. Click to expand.
-1
of 1 vote

OK , NERD. shutup.

- Anonymous May 27, 2010 | Flag Reply


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