Re: Two the same pids, possibe?
| From: | Sascha Schumann | Date: | Wed, 29 Nov 2000 17:36:16 +0000 |
| Subject: | Re: Two the same pids, possibe? | ||
| References: | 1 | Groups: | php.dev |
| Request: | Send a blank email to php-dev+get-39611@lists.php.net to get a copy of this message | ||
On Wed, 29 Nov 2000, Hartmut Holzgraefe wrote:
> Wico de Leeuw wrote:
> > "Note that when running as a server module, separate invocations of the
> > script are not guaranteed to have distinct pids."
> >
> > Can somebody explain me how 2 scripts can have the same pid? (Thats how I
> > read it)
>
> ... multithreaded servers ...
Or process-based servers which handle multiple subsequent
requests in the same process context (like Apache 1.3). The
above quote might be rewritten as "Process IDs are not
unique, thus they are a weak entropy source. We recommened
against relying on pids in security-dependent contexts."
- Sascha