Messages in this thread | | | From | Miquel van Smoorenburg <> | Subject | Re: rm-ing files with open file descriptors | Date | Sun, 20 Jan 2002 23:10:57 +0000 (UTC) |
| |
In article <843d119h0g.fsf@rjk.greenend.org.uk>, Richard Kettlewell <rjk@terraraq.org.uk> wrote: >If the file descriptor you have was opened O_RDONLY, but you have >write permission on the file itself, then creating a new name for it >would allow you to open it O_RDWR.
/proc allows for this anyway.
open("knuth.txt", O_RDONLY) = 3 unlink("knuth.txt") = 0 open("/proc/self/fd/3", O_RDWR) = 4
Mike.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |