X-Git-Url: https://git.distorted.org.uk/~mdw/mLib-python/blobdiff_plain/b51b6cf0b65c84c7b9e130719beede595cc1bfbd..HEAD:/sig.pyx diff --git a/sig.pyx b/sig.pyx index 17237f3..aafa050 100644 --- a/sig.pyx +++ b/sig.pyx @@ -1,50 +1,55 @@ -# -*-pyrex-*- -# -# $Id$ -# -# In-band signals -# -# (c) 2005 Straylight/Edgeware -# +### -*-pyrex-*- +### +### In-band signals +### +### (c) 2005 Straylight/Edgeware +### -#----- Licensing notice ----------------------------------------------------- -# -# This file is part of the Python interface to mLib. -# -# mLib/Python is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# mLib/Python is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with mLib/Python; if not, write to the Free Software Foundation, -# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +###----- Licensing notice --------------------------------------------------- +### +### This file is part of the Python interface to mLib. +### +### mLib/Python is free software; you can redistribute it and/or modify +### it under the terms of the GNU General Public License as published by +### the Free Software Foundation; either version 2 of the License, or +### (at your option) any later version. +### +### mLib/Python is distributed in the hope that it will be useful, +### but WITHOUT ANY WARRANTY; without even the implied warranty of +### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +### GNU General Public License for more details. +### +### You should have received a copy of the GNU General Public License +### along with mLib/Python; if not, write to the Free Software Foundation, +### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. import signal cdef class SelSignal: + """ + SelSignal(SIG, [signalledproc = None]) + + Collect signals from the event loop. + """ cdef sig s cdef int _activep cdef readonly int signal cdef _signalled - def __new__(me, int sig, signalledproc = None, *hunoz, **hukairz): + def __cinit__(me, int sig, signalledproc = None, *hunoz, **hukairz): if sig < 0 or sig >= signal.NSIG: raise ValueError, 'signal number out of range' me.signal = sig - me._signalledproc = _checkcallable(signalledproc, 'signalled proc') + me._signalled = _checkcallable(signalledproc, 'signalled proc') me._activep = 0 def __dealloc__(me): if me._activep: sig_remove(&me.s) property activep: + """SS.activep -> BOOL: is the handler still active?""" def __get__(me): return _tobool(me._activep) property signalledproc: + """SS.signalledproc -> FUNC: call FUNC() when the signal is received""" def __get__(me): return me._signalled def __set__(me, proc): @@ -52,12 +57,14 @@ cdef class SelSignal: def __del__(me): me._signalled = None def enable(me): + """SS.enable(): enable the handler""" if me._activep: raise ValueError, 'already enabled' sig_add(&me.s, me.signal, _sigfunc, me) me._enabled() return me def disable(me): + """SS.disable(): disable the handler""" if not me._activep: raise ValueError, 'already disabled' sig_remove(&me.s) @@ -70,10 +77,13 @@ cdef class SelSignal: me._activep = 0 me.disabled() def enabled(me): + """SS.enabled(): called when handler is enabled""" pass def disabled(me): + """SS.disabled(): called when handler is disabled""" pass def signalled(me): + """SS.signalled(): called when the signal is received""" return _maybecall(me._signalled, ()) cdef void _sigfunc(int sig, void *arg): @@ -83,4 +93,4 @@ cdef void _sigfunc(int sig, void *arg): sig_init(&_sel) -#----- That's all, folks ---------------------------------------------------- +###----- That's all, folks --------------------------------------------------