@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
>>>>>>>>
>>>>>>>> --
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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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