@sagar: i think order has to be fixed...in amazon they gave us four
options....
but i dnt remember them now...
On Mon, Aug 8, 2011 at 10:05 PM, aditi garg <aditi.garg.6...@gmail.com>wrote:
> @sagar thanx :)
>
>
> On Mon, Aug 8, 2011 at 9:01 PM, sagar pareek <sagarpar...@gmail.com>wrote:
>
>> @aditi
>> nope... it will run in parallel...so order is not fix....
>>
>>
>> On Mon, Aug 8, 2011 at 8:48 PM, Pradeep Mishra
>> <pradam.prad...@gmail.com>wrote:
>>
>>> 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
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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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>>>>
>>>
>>>
>>>
>>> --
>>> Pradeep Kumar Mishra
>>> IIIT Allahabad
>>> B. Tech 2nd Year ( IT )
>>> prad...@gmail.com
>>>
>>>
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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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--
Regards,
Kamakshi
kamakshi...@gmail.com
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