--- Dave Anderson <[EMAIL PROTECTED]> wrote:
> I started off with what I thought was a simple
> question, but googling,
> searching mailing list archives, reading man pages,
> and testing hasn't
> turned up anything I'm happy with and has raised
> some new issues...
>
> In a past life, on a non-U
** Reply to message from Otto Moerbeek <[EMAIL PROTECTED]> on Thu, 14 Jul
2005 17:11:10 +0200 (CEST)
>The developer of the shell has the freedom to either spawn a separate
>process for a subshell expression or execute the subshell commands in
>the in a newly created enviroment that is a copy of th
On Thu, 14 Jul 2005, Dave Anderson wrote:
> >I did not check your script, but POSIX says this:
> >
> >$ Expands to the decimal process ID of the invoked shell. In a
> >subshell (see Shell Execution Environment ), '$' shall expand to the
> >same value as that of the current shell.
> >
> >
** Reply to message from Otto Moerbeek <[EMAIL PROTECTED]> on Thu, 14 Jul
2005 16:15:11 +0200 (CEST)
>On Thu, 14 Jul 2005, Dave Anderson wrote:
>
>> It also, at least under OpenBSD, has the serious problem that "$$"
>> isn't the PID of the shell running the script but rather the PID of the
>> "ori
--- Dave Anderson <[EMAIL PROTECTED]> wrote:
> I started off with what I thought was a simple
> question, but googling,
> searching mailing list archives, reading man pages,
> and testing hasn't
> turned up anything I'm happy with and has raised
> some new issues...
>
> In a past life, on a non-U
On Thu, 14 Jul 2005, Dave Anderson wrote:
> It also, at least under OpenBSD, has the serious problem that "$$"
> isn't the PID of the shell running the script but rather the PID of the
> "original" shell (whatever exactly that means; some testing suggests
> that it's the last process on the PPID c
I started off with what I thought was a simple question, but googling,
searching mailing list archives, reading man pages, and testing hasn't
turned up anything I'm happy with and has raised some new issues...
In a past life, on a non-Unix system, I was able to set up simple and
effective mutual e
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