Ulrich,
> On 9/5/07, Michael Kerrisk <[email protected]> wrote:
> > O_CLOEXEC (Since Linux 2.6.23)
> > Enable the close-on-exec flag for the new file
> > descriptor. This is useful in multithreaded programs
> > since using a separate fcntl(2) F_SETFD operation to
> > set the FD_CLOEXEC flag does not suffice to avoid race
> > conditions in multithreaded programs where one thread
> > opens a file descriptor at the same time as another
> > thread does a fork(2) plus execve(2).
>
> Correct,
Good. Thanks.
> although you might want to reconsider the repetition of "in
> multithreaded programs".
Yes.
> Plus, it's also useful in other programs since it avoids the
> additional system call to fcntl.
Okay, I may add some words about this.
Cheers,
Michael
--
Michael Kerrisk
maintainer of Linux man pages Sections 2, 3, 4, 5, and 7
Want to help with man page maintenance?
Grab the latest tarball at
http://www.kernel.org/pub/linux/docs/manpages ,
read the HOWTOHELP file and grep the source
files for 'FIXME'.
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