*Ln 2 :1st fork ret value +ve, (i.e parent), *
As && is their before next fork, so nw 2nd fork will be calld,
if (ret >= 0), won't go for next fork, (as its a true for ||) => so
1 pr from here
else if (ret ==0), will go for next fork. => so 2 prs from here
so, total 3 process in case when 1st fork (in ln2) is nonzero.
On Wed, Aug 31, 2011 at 2:41 PM, htross <[email protected]> wrote:
> u r not considering what if the first fork returns non zero and the
> second for returns a zero value then????
>
> On Aug 31, 9:50 pm, rahul vatsa <[email protected]> wrote:
> > int main()
> > {
> > fork();
> > fork() && fork() || fork();
> > fork();
> > printf("forked\n");
> > return 0;
> >
> > }
> >
> > ln 1 : will create 2 prs
> > ln 2 : will create 10 process for each existing pr
> > ln 3 : will do fork for all 10 process, nd so now u ve 20 prs
> >
> > the main issue is @ln-2 in main( )
> >
> > Ln 2 :
> >
> > here for 1st fork, if its parent, its ret value in nonzero, so it will
> > proceed for next fork, as that is for &&. if ret value of this 2nd fork
> is
> > nonzero, it willn't try the 3rd fork (as its nt required, bcoz that comes
> > after ||, nd the st is already a true st) -- > So for parent of 1st fork
> in
> > the st, total no of prs created is 3.
> >
> > if 1st fork returns 0, ie if it is child, it willn't attempt the next
> > fork(bcoz thatz for operator && , and the st is already 0), bt it will do
> > attempt the 3rd fork(bcoz that is for operator ||) so total no processes
> > created here is - 2
> >
> > Ln 3- this fork is called for all created processes. 2(Ln 1) * 5(ln 2) *
> 2
> > (ln 3) == 20 prs
> >
> > On Wed, Aug 31, 2011 at 12:29 PM, SANDEEP CHUGH <[email protected]
> >wrote:
> >
> >
> >
> >
> >
> >
> >
> > > it will be 16 ..
> >
> > > On Wed, Aug 31, 2011 at 9:54 PM, abhishek <[email protected]
> >wrote:
> >
> > >> i think it will be 16 (not sure )
> >
> > >> can anyone explain how it will be 20,
> > >> On Aug 31, 9:02 pm, SANDEEP CHUGH <[email protected]> wrote:
> > >> > i thinks it is 16 not 20
> >
> > >> > please check that
> >
> > >> > On Wed, Aug 31, 2011 at 9:18 PM, annarao kataru <
> > >> [email protected]>wrote:
> >
> > >> > > @swathi :: why it is 20 times ?? ur answer is correct but
> > >> > > plz explain the process??????
> >
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