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python Programming Glossary: signal.signal

Popen.communicate() throws OSError: “[Errno 10] No child processes”

http://stackoverflow.com/questions/1008858/popen-communicate-throws-oserror-errno-10-no-child-processes

is done this might introduce a race conditions so beware . signal.signal SIGCHLD handler ... signal.signal SIGCHLD signal.SIG_DFL '''.. conditions so beware . signal.signal SIGCHLD handler ... signal.signal SIGCHLD signal.SIG_DFL ''' now you can go wild with Popen. WARNING.. this time no signals will be delivered to handler ''' ... signal.signal SIGCHLD handler There is a python bug reported on this and as..

How do I capture SIGINT in Python?

http://stackoverflow.com/questions/1112343/how-do-i-capture-sigint-in-python

share improve this question Register your handler with signal.signal like this # usr bin env python import signal import sys def.. signal frame print 'You pressed Ctrl C ' sys.exit 0 signal.signal signal.SIGINT signal_handler print 'Press Ctrl C' signal.pause..

How to timeout function in python, timeout less than a second

http://stackoverflow.com/questions/11901328/how-to-timeout-function-in-python-timeout-less-than-a-second

raise TimeoutError error_message def wrapper args kwargs signal.signal signal.SIGALRM _handle_timeout signal.setitimer signal.ITIMER_REAL..

Showing the stack trace from a running Python application

http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application

traceback.format_stack frame i.interact message def listen signal.signal signal.SIGUSR1 debug # Register handler To use just call the..

Keyboard input with timeout in Python

http://stackoverflow.com/questions/1335507/keyboard-input-with-timeout-in-python

frame called when read times out print 'interrupted ' signal.signal signal.SIGALRM interrupted def input try print 'You have 5 seconds..

How to create a menu and submenus in Python curses?

http://stackoverflow.com/questions/14200721/how-to-create-a-menu-and-submenus-in-python-curses

menu # # Goncalo Gomes # http promisc.org # import signal signal.signal signal.SIGINT signal.SIG_IGN import os import sys import curses..

Python - Trap all signals

http://stackoverflow.com/questions/2148888/python-trap-all-signals

a TERM signal import signal def handleSigTERM shutdown signal.signal signal.SIGTERM handleSigTERM Is there any way to setup a handler.. dir signal if x.startswith SIG try signum getattr signal i signal.signal signum sighandler except RuntimeError m print Skipping s i ..

Timeout function if it takes too long to finish

http://stackoverflow.com/questions/2281850/timeout-function-if-it-takes-too-long-to-finish

raise TimeoutError error_message def wrapper args kwargs signal.signal signal.SIGALRM _handle_timeout signal.alarm seconds try result..

How to limit execution time of a function call in Python

http://stackoverflow.com/questions/366682/how-to-limit-execution-time-of-a-function-call-in-python

def signal_handler signum frame raise Exception Timed out signal.signal signal.SIGALRM signal_handler signal.alarm 10 # Ten seconds..

Python: kill or terminate subprocess when timeout

http://stackoverflow.com/questions/4158502/python-kill-or-terminate-subprocess-when-timeout

the process will take too long so I want to kill it. I use signal.signal ... like below ppid pipeexe.pid signal.signal signal.SIGALRM.. it. I use signal.signal ... like below ppid pipeexe.pid signal.signal signal.SIGALRM stop_handler signal.alarm 1 ..... def stop_handler..

Capture keyboardinterrupt in Python without try-except

http://stackoverflow.com/questions/4205317/capture-keyboardinterrupt-in-python-without-try-except

signal frame print 'You pressed Ctrl C ' sys.exit 0 signal.signal signal.SIGINT signal_handler print 'Press Ctrl C' while True..

Stop reading process output in Python without hang?

http://stackoverflow.com/questions/4417962/stop-reading-process-output-in-python-without-hang

stdout subprocess.PIPE close_fds True # set signal handler signal.signal signal.SIGALRM alarm_handler signal.alarm 2 # produce SIGALRM..

Python script as linux service/daemon

http://stackoverflow.com/questions/4705564/python-script-as-linux-service-daemon

multiprocessing.Event def stop signum frame stop_event.set signal.signal signal.SIGTERM stop if __name__ '__main__' while not stop_event.is_set..

child subprocess kill in python daemon

http://stackoverflow.com/questions/5114812/child-subprocess-kill-in-python-daemon

What should I do if socket.setdefaulttimeout() is not working?

http://stackoverflow.com/questions/8464391/what-should-i-do-if-socket-setdefaulttimeout-is-not-working

pass def __init__ self sec self.sec sec def __enter__ self signal.signal signal.SIGALRM self.raise_timeout signal.alarm self.sec def..