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Re: locking files on Linux

References (1 earlier) <k5p03u$3t8$2@reader1.panix.com> <mailman.2431.1350567869.27098.python-list@python.org> <k5p1rg$et4$1@reader1.panix.com> <CAF_E5Jb9javdypCvPpVGkq+zPLmt-autD=bu+Z-uDrghhGneog@mail.gmail.com> <CAHVvXxTCE8d_RoKgiT2S1XgMpUNPpd5gMHbCunicjEOOfU1GnQ@mail.gmail.com>
Date 2012-10-18 16:08 +0100
Subject Re: locking files on Linux
From andrea crotti <andrea.crotti.0@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.2444.1350572891.27098.python-list@python.org> (permalink)

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2012/10/18 Oscar Benjamin <oscar.j.benjamin@gmail.com>:
>
> Why not come up with a test that actually shows you if it works? Here
> are two suggestions:
>
> 1) Use time.sleep() so that you know how long the lock is held for.
> 2) Write different data into the file from each process and see what
> you end up with.
>


Ok thanks I will try, but I thought that what I did was the worst
possible case, because I'm opening and writing on the same file from
two different processes, locking the file with LOCK_EX.

It should not open it at all as far as I understood...

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Thread

locking files on Linux andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-18 14:14 +0100
  Re: locking files on Linux Grant Edwards <invalid@invalid.invalid> - 2012-10-18 13:27 +0000
    Re: locking files on Linux andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-18 14:44 +0100
      Re: locking files on Linux Grant Edwards <invalid@invalid.invalid> - 2012-10-18 13:57 +0000
        Re: locking files on Linux andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-18 15:49 +0100
        Re: locking files on Linux Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2012-10-18 16:04 +0100
        Re: locking files on Linux andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-18 16:08 +0100
        Re: locking files on Linux Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2012-10-18 16:31 +0100
        Re: locking files on Linux andrea crotti <andrea.crotti.0@gmail.com> - 2012-10-19 13:15 +0100
      Re: locking files on Linux Nobody <nobody@nowhere.com> - 2012-10-19 15:36 +0100
    Re: locking files on Linux Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2012-10-18 14:58 +0100

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