From mboxrd@z Thu Jan 1 00:00:00 1970 From: moharaka@gmail.com (Karaoui mohamed lamine) Date: Thu, 7 Feb 2013 09:44:02 +0100 Subject: thread concurrent file operation In-Reply-To: References: <14273.1359478432@turing-police.cc.vt.edu> <17948.1359482378@turing-police.cc.vt.edu> <14179.1359507973@turing-police.cc.vt.edu> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org Tahnks guys! 2013/1/30 Karaoui mohamed lamine > thanks, i think i get it. > > 2013/1/30 > > 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. >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20130207/a1a9322e/attachment.html