Blocking ctrl-c to os.popen() or os.system()
mwh at python.net
Tue Jan 14 15:40:22 CET 2003
sandeep182 at hotmail.com (Sandeep Gupta) writes:
> I am executing a command from python via os.popen(). While the
> command is executing, if I type ctrl-c, the command receives the
> interrupt. I would like to block the ctrl-c from the command and I've
> tried the following:
> 1)Using python's signal module to ignore SIGINT. This causes python
> to ignore SIGINT, but a ctrl-c that is typed during the popen() call
> still goes to the command.
That's surprising, to me at least. I thought the exec* functions left
SIG_IGN signal destinations alone. Does popen reset them? The linux
manpage doesn't give any indication of doing so.
A.D. 1517: Martin Luther nails his 95 Theses to the church door and
is promptly moderated down to (-1, Flamebait).
(although I've seen it before)
More information about the Python-list