Re: rm-ing files with open file descriptors

[Miquel van Smoorenburg]

In article <[e-mail]>,
Richard Kettlewell  <[e-mail]> 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.