def trace_signal(pid, flags, tricklist, sig):
if not _signal_weedout_mask[sig]:
return sig
signalname = signalmap.lookup_name(sig)
# innermost trick gets first shot at the signal
tricklist = tricklist[:]
tricklist.reverse()
for trick, callmask, signalmask in tricklist:
if (not signalmask or signalmask.has_key(signalname)) and trick.is_enabled(pid):
r = trick.signal(pid, signalname)
# r is None or (signal, )
if r != None:
assert len(r) == 1, "signal must return None or a 1-tuple"
signalname = r[0]
assert isinstance(signalname, types.StringType) and (
0 <= signalmap.lookup_number(signalname) < signal.NSIG
), ("bad signal %s; must use signal name" % signalname)
if signalname == "SIG_0":
break
# XXX: perhaps we ought to also ignore signals that the
# process is ignoring ??
return signalmap.lookup_number(signalname)
def trace_signal(pid, flags, tricklist, sig):
if not _signal_weedout_mask[sig]:
return sig
signalname = signalmap.lookup_name(sig)
# innermost trick gets first shot at the signal
tricklist = tricklist[:]
tricklist.reverse()
for trick, callmask, signalmask in tricklist:
if (not signalmask or signalmask.has_key(signalname))\
and trick.is_enabled(pid):
r = trick.signal(pid, signalname)
# r is None or (signal, )
if r != None:
assert len(r) == 1, "signal must return None or a 1-tuple"
signalname = r[0]
assert (isinstance(signalname, types.StringType)
and (0 <= signalmap.lookup_number(signalname)
< signal.NSIG)), \
"bad signal %s; must use signal name" % signalname
if signalname == 'SIG_0':
break
# XXX: perhaps we ought to also ignore signals that the
# process is ignoring ??
return signalmap.lookup_number(signalname)
def set_trick_signal_handlers(tricklist):
sigs = {}
for tricktuple in tricklist:
trick = tricktuple[0]
tricksigs = trick.tricksignalmask()
if tricksigs:
for sig in tricksigs.keys():
sigtricks = sigs.get(sig, [])
sigs[sig] = sigtricks + [trick]
for sig, tricks in sigs.items():
signal.signal(signalmap.lookup_number(sig),
lambda s, f, t = tricks: handle_sf_signal(s, f, t))
def set_trick_signal_handlers(tricklist):
sigs = {}
for tricktuple in tricklist:
trick = tricktuple[0]
tricksigs = trick.tricksignalmask()
if tricksigs:
for sig in tricksigs.keys():
sigtricks = sigs.get(sig, [])
sigs[sig] = sigtricks + [trick]
for sig, tricks in sigs.items():
signal.signal(signalmap.lookup_number(sig),
lambda s, f, t=tricks: handle_sf_signal(s, f, t))