Web lists-archives.com

Re: I'm done with O_CLOEXEC




On Fri, 2015-03-20 at 16:43 -0400, Ryan Lortie wrote:
> What led me to this was the dup3() system call.  This is a variant of
> dup2() that was added (as part of the efforts mentioned above) to avoid
> the O_CLOEXEC race:
> 
>   int dup3(int oldfd, int newfd, int flags);
> 
> unfortunately:
> 
>   dup3(0, -1, 0)                          = -1 EBADF (Bad file
>   descriptor)
> 
> which means that using this as a stand-in for dup() is a no-go.

Doesn't the following standard POSIX functionality provide what you
want?

	fcntl(fd, F_DUPFD_CLOEXEC, 0)

Regards,
Jürg

_______________________________________________
gtk-devel-list mailing list
gtk-devel-list@xxxxxxxxx
https://mail.gnome.org/mailman/listinfo/gtk-devel-list