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Forum: Programming 09-17-2009
3,947
Posted By Krothos
Yes but the DMA then puts what was read into the...
Yes but the DMA then puts what was read into the main memory which then becomes stored into the buffer which was originally passed in with the read. Got it.



I understand that but I'm trying...
Forum: Programming 09-17-2009
3,947
Posted By Krothos
So once the bytes are transferred stored over in...
So once the bytes are transferred stored over in the main memory through the DMA, how is what was read returned to the caller? So if I wanted to read 3 bytes from a file containing "Hello", how is...
Forum: Programming 09-16-2009
3,947
Posted By Krothos
Understanding read/write and kernel interaction
Ok, so I'm trying to finalize my understanding of read/write and kernel interaction.

read():

You have a library function that has as it's first parameter (what the open file to read from is),...
2,022
Posted By Krothos
Understanding read/write and kernel interaction
Ok, so I'm trying to finalize my understanding of read/write and kernel interaction.


read():

You have a library function that has as it's first parameter (what the open file to read from is),...
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