def test_sigmask_restore(self):
empty = sigfd.sigset()
orig = sigfd.sigprocmask(empty)
mask = sigfd.sigset()
mask.add(signal.SIGHUP)
mask.add(signal.SIGINT)
with sigfd.sigfd(mask) as fd:
pass
final = sigfd.sigprocmask(empty)
assert orig.get_set() == final.get_set()
print(final.get_set())
print(orig.get_set())
def test_sigset_membership(self):
signals = sigfd.sigset()
signals.add(signal.SIGHUP)
signals.add(signal.SIGINT)
assert signals.ismember(signal.SIGHUP)
assert signals.ismember(signal.SIGINT)
signals.remove(signal.SIGINT)
assert not signals.ismember(signal.SIGINT)
def test_alarm(self):
mask = sigfd.sigset()
mask.add(signal.SIGALRM)
with sigfd.sigfd(mask) as fd:
poll=select.poll()
poll.register(fd, select.POLLIN)
signal.alarm(1)
events = dict(poll.poll(2000))
assert fd.fileno() in events
assert fd.info().ssi_signo == signal.SIGALRM
def test_signalfd_create(self):
signals = sigfd.sigset()
assert sigfd.sigfd(signals) is not None
def test_sigset_create(self):
assert sigfd.sigset() is not None
The URL for this example: https://github.com/larsks/python-signalfd/raw/master/example.py References: http://blog.oddbit.com/2013/11/28/a-python-interface-to-signalfd/ https://github.com/larsks/python-signalfd/tree/master/signalfd [email protected]:larsks/python-signalfd.git ''' import os # for getpid import sys # for stdin import select # for poll, POLLIN import sigfd # for sigset, sigfd # create a signal set containing all signals. mask = sigfd.sigset() mask.fill() with sigfd.sigfd(mask) as fd: poll = select.poll() poll.register(fd, select.POLLIN) poll.register(sys.stdin, select.POLLIN) # Print signals as they are received until user presses <RETURN>. print('=' * 70) print('Send signals to this process (%d) or press RETURN to exit.' % os.getpid()) print('=' * 70) while True: events = dict(poll.poll())