no it'll vary as the PID will vary from parent to child.
On Mon, Aug 8, 2011 at 8:05 AM, aditi garg <aditi.garg.6...@gmail.com>wrote:
> 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.
>>>>>>>> > > To post to this group, send email to algogeeks@googlegroups.com
>>>>>>>> .
>>>>>>>> > > To unsubscribe from this group, send email to
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>>>>>>>> >
>>>>>>>> > --
>>>>>>>> > Regards,
>>>>>>>> > Shachindra A C
>>>>>>>>
>>>>>>>> --
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>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Regards,
>>>>>>> Kamakshi
>>>>>>> kamakshi...@gmail.com
>>>>>>>
>>>>>>> --
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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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>
--
Pradeep Kumar Mishra
IIIT Allahabad
B. Tech 2nd Year ( IT )
prad...@gmail.com
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