i was asking about the order in printf....so it wud be like 8times one and
then 8 times two?
On Mon, Aug 8, 2011 at 8:23 PM, sagar pareek <sagarpar...@gmail.com> wrote:
>
>
> M
>
> / \
>
> / \
>
> / \
>
> / \
>
> / \
>
> / \
>
> / \
> M
> C1
> / \
> / \
> /
> \ / \
> /
> \ / \
> /
> \ / \
> M C2
> C1 C3
> / \
> / \ / \ / \
> / \
> / \ / \
> / \
> M C4 C2
> C5 C1 C6 C3 C7
> / \ / \ /
> \ / \ / \ / \ /
> \ / \
> M C8 C4 C9 C2 C10 C5 C11 C1 C12
> C6 C13 C4 C14 C7 C15
>
>
> M C4 C2 C5 C1 C6 C3 C7 (one level upper will have ret>0 and rest will
> have ret =0
>
> Just think ur self how any process and its child have pid==0 ???
>
>
> I hope its clear now...
>
>
> On Mon, Aug 8, 2011 at 8:05 PM, aditi garg <aditi.garg.6...@gmail.com>wrote:
>
>> @ sagar: wat wud be the order? as in all 8 frst wud return non zero and
>> rest 0 or wat?
>>
>>
>> On Mon, Aug 8, 2011 at 6:50 PM, Kamakshii Aggarwal <kamakshi...@gmail.com
>> > wrote:
>>
>>> ok ..thanks sagar..:)
>>>
>>>
>>> On Mon, Aug 8, 2011 at 6:42 PM, sagar pareek <sagarpar...@gmail.com>wrote:
>>>
>>>> lets label your forks :-
>>>> main()
>>>> {
>>>> int ret;
>>>> ret=fork(); ------ 1
>>>> ret=fork(); ------ 2
>>>> ret=fork(); ------- 3
>>>> ret=fork(); ------- 4
>>>>
>>>> if(!ret)
>>>> printf("one");
>>>> else
>>>> printf("two");
>>>> }
>>>>
>>>> Now
>>>> original main() is suppose named M
>>>> then after encountering fork() 1st then
>>>>
>>>>
>>>> M
>>>>
>>>> / \
>>>>
>>>> / \
>>>>
>>>> / \
>>>>
>>>> M C1
>>>>
>>>>
>>>> now after fork() -2
>>>>
>>>>
>>>> M
>>>>
>>>> / \
>>>>
>>>> / \
>>>>
>>>> / \
>>>>
>>>> M C1
>>>>
>>>> / \ / \
>>>>
>>>> M C2 C1 C3
>>>>
>>>>
>>>> after fork()- 4
>>>>
>>>> it will be
>>>> M
>>>> C1 C2 C3 ...... C15
>>>> now we have half of them include main() have ret!=0
>>>> and rest of them ret=0
>>>>
>>>> i hope its clear now...
>>>>
>>>>
>>>> On Mon, Aug 8, 2011 at 12:53 PM, Shachindra A C
>>>> <sachindr...@gmail.com>wrote:
>>>>
>>>>> At the point of execution of the 4th fork(), there are 8 processes i.e,
>>>>> the 4th fork will get executed 8 times. The final value of ret will depend
>>>>> on this fork. the fork will return 0 in the 8 child processes created and
>>>>> returns pid of the child in the parent processes.
>>>>>
>>>>>
>>>>> On Mon, Aug 8, 2011 at 12:49 PM, Kamakshii Aggarwal <
>>>>> kamakshi...@gmail.com> wrote:
>>>>>
>>>>>> then please elaborate?
>>>>>>
>>>>>>
>>>>>> On Mon, Aug 8, 2011 at 12:34 PM, Pradex <pradam.prad...@gmail.com>wrote:
>>>>>>
>>>>>>> get it..!! :) :)
>>>>>>>
>>>>>>> On Aug 7, 10:49 pm, Shachindra A C <sachindr...@gmail.com> wrote:
>>>>>>> > 8 one's and 8 two's. The order in which they get printed might
>>>>>>> vary.
>>>>>>> >
>>>>>>> > On Mon, Aug 8, 2011 at 11:11 AM, Kamakshii Aggarwal
>>>>>>> > <kamakshi...@gmail.com>wrote:
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> > > what will be the o/p of the following program:
>>>>>>> >
>>>>>>> > > main()
>>>>>>> > > {
>>>>>>> > > int ret;
>>>>>>> > > ret=fork();
>>>>>>> > > ret=fork();
>>>>>>> > > ret=fork();
>>>>>>> > > ret=fork();
>>>>>>> >
>>>>>>> > > if(!ret)
>>>>>>> > > printf("one");
>>>>>>> > > else
>>>>>>> > > printf("two");
>>>>>>> > > }
>>>>>>> >
>>>>>>> > > --
>>>>>>> > > Regards,
>>>>>>> > > Kamakshi
>>>>>>> > > kamakshi...@gmail.com
>>>>>>> >
>>>>>>> > > --
>>>>>>> > > You received this message because you are subscribed to the
>>>>>>> Google Groups
>>>>>>> > > "Algorithm Geeks" group.
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>>>>>>> >
>>>>>>> > --
>>>>>>> > Regards,
>>>>>>> > Shachindra A C
>>>>>>>
>>>>>>> --
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Regards,
>>>>>> Kamakshi
>>>>>> kamakshi...@gmail.com
>>>>>>
>>>>>> --
>>>>>> You received this message because you are subscribed to the Google
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Regards,
>>>>> Shachindra A C
>>>>>
>>>>> --
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> **Regards
>>>> SAGAR PAREEK
>>>> COMPUTER SCIENCE AND ENGINEERING
>>>> NIT ALLAHABAD
>>>>
>>>> --
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>>>
>>>
>>>
>>> --
>>> Regards,
>>> Kamakshi
>>> kamakshi...@gmail.com
>>>
>>> --
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>>>
>>
>>
>>
>> --
>> Aditi Garg
>> Undergraduate Student
>> Electronics & Communication Divison
>> NETAJI SUBHAS INSTITUTE OF TECHNOLOGY
>> Sector 3, Dwarka
>> New Delhi
>>
>>
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>>
>
>
>
> --
> **Regards
> SAGAR PAREEK
> COMPUTER SCIENCE AND ENGINEERING
> NIT ALLAHABAD
>
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--
Aditi Garg
Undergraduate Student
Electronics & Communication Divison
NETAJI SUBHAS INSTITUTE OF TECHNOLOGY
Sector 3, Dwarka
New Delhi
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