thread concurrent file operation

[Karaoui mohamed lamine]

Tahnks guys!

2013/1/30 Karaoui mohamed lamine <moharaka at gmail.com>

> thanks, i think i get it.
>
> 2013/1/30 <Valdis.Kletnieks at vt.edu>
>
> On Tue, 29 Jan 2013 20:16:26 +0100, you said:
>>
>> > Actually my question is :
>> > Does POSIX specifies  the fact that we need to use "lockf" to be able
>> to do
>> > read/write operation in different offset ? Is'n the kernel supposed to
>> > ensure this ?
>>
>> If you have non-overlapping writes, the kernel will eventually sort it out
>> for you.  If your writes overlap, you'll have to provide your own locking
>> via lockf() or similar, and synchronization via other methods.
>>
>
>
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