how to start a process and get it's pid?

[Fredrik Lundh]

Daniel Crespo wrote:

>> >>> os.spawnl(os.P_NOWAIT, "c:/windows/notepad.exe")
>> 1944
>
> I don't get the correct PID.
>
> When I do os.spawnl(os.P_NOWAIT, "c:/windows/notepad.exe")
> I get 168 (for example), while in the tasklist appears notepad.exe with
> the 2476 PID.
>
> Why?

not sure, but the return value looks like a PID, so maybe you're seeing the
PID for the cmd.exe instance used to run the program.  or something.

try this instead:

>>> import subprocess
>>> p = subprocess.Popen("c:/windows/notepad.exe")
>>> p.pid
1948

</F>