On 7/18/07, yogesh tillu <[EMAIL PROTECTED]> wrote:
Aditya Godbole <[EMAIL PROTECTED]> wrote: On 7/17/07, Pranav Peshwe
wrote:
>
> IMHO, it does send the data to the buffer. Due to the fork, the new
> task(child) gets a copy of the buffer (which already contains the 'Hello
> World!' string). This(fork()) is where the duplication occurs. Further
> printfs in the two tasks lead to flushing of their respective buffers to
the
> console. With a '\n' after 'Hello World!', the child would get an empty
> buffer to begin with.
>
Yeah, thats right. The buffer is filled but not flushed. After the
fork, the entire address space (and hence the buffer) gets replicated
* But I think currently copy on write approach is used for the
*implementation of the fork .So entire address space will not get
*replicated {previously clone approach was used , so in that *whole address
space gets replicated }
*
and is flushed after the second the printf in both processes.
-aditya
cheers,
yogesh
Yes.Thats right.But isnt the buffer in the user area.Which is copied as
is, except for the pointer to the proc structure.
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Regards,
Ashutosh Adkar
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