Richard Oudkerk added the comment:
As I wrote in http://bugs.python.org/issue19066, on Windows execv() is
equivalent to
os.spawnv(os.P_NOWAIT, ...)
os._exit(0)
This means that control is returned to cmd when the child process *starts* (and
afterwards you have cmd and the child connected to the same console).
On Unix control is returned to the shell only once the child process *ends*.
Although it might be less memory efficient, you would actually get something
closer to Unix behaviour by replacing os.execv(...) with
sts = os.spawnv(os.P_WAIT, ...)
_exit(sts)
or
sts = subprocess.call(...)
_exit(sts)
This is why I said that execv() is useless on Windows and that you should just
use subprocess instead.
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nosy: +sbt
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<http://bugs.python.org/issue19124>
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