Front page | perl.perl5.porters |
Postings from February 2011
On Thu, Feb 3, 2011 at 5:29 PM, Mark Overmeer <mark@overmeer.net> wrote: > It would be very unexpected to see setreuid($uid, -1) do something > different than setuid($uid). The former is to avoid race-conditions > when uid and euid both have to change. setuid changes either *all uids* or just the euid, but never only the ruid. See [1] for an explanation. > There may be differences between how various > operating systems interpret the call. We could document these differences > or at least warn for them. Yeah, implementations are so diverging that you can barely speak of a standardized function. A warning for that would be appropriate. Leon [1]: http://pubs.opengroup.org/onlinepubs/009695399/functions/setuid.htmlThread Previous | Thread Next