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author | Zac Medico <zmedico@gentoo.org> | 2010-09-03 17:11:03 -0700 |
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committer | Zac Medico <zmedico@gentoo.org> | 2010-09-03 17:11:03 -0700 |
commit | 77fb8383288425e1b79d8092828da0b87e6293aa (patch) | |
tree | dee8bdc843b8b6549a65a84013506074339320f6 /pym | |
parent | 1959bfc2a30aa6160dfa0b454f3af0a545bf40f0 (diff) | |
download | portage-77fb8383288425e1b79d8092828da0b87e6293aa.tar.gz portage-77fb8383288425e1b79d8092828da0b87e6293aa.tar.bz2 portage-77fb8383288425e1b79d8092828da0b87e6293aa.zip |
Add AlarmSignal.register() and unregister() classmethods in order to
handle interaction with the signal module.
Diffstat (limited to 'pym')
-rw-r--r-- | pym/portage/exception.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/pym/portage/exception.py b/pym/portage/exception.py index b0f9ad8eb..dca1100e6 100644 --- a/pym/portage/exception.py +++ b/pym/portage/exception.py @@ -1,6 +1,7 @@ # Copyright 1998-2004 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 +import signal import sys from portage import _unicode_encode, _unicode_decode from portage.localization import _ @@ -90,7 +91,16 @@ class AlarmSignal(TimeoutException): self.frame = frame @classmethod - def signal_handler(cls, signum, frame): + def register(cls): + signal.signal(signal.SIGALRM, cls._signal_handler) + + @classmethod + def unregister(cls): + signal.alarm(0) + signal.signal(signal.SIGALRM, signal.SIG_DFL) + + @classmethod + def _signal_handler(cls, signum, frame): raise AlarmSignal("alarm signal", signum=signum, frame=frame) |