def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
checked = set()
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows.
# Issue #18396, only for signals without a C-level handler.
if signal.getsignal(sig) is not None:
signal.signal(sig, signal.signal(sig, handler))
checked.add(sig)
# Issue #18396: Ensure the above loop at least tested *something*
self.assertTrue(checked)
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
python类SIGFPE的实例源码
def _default_handler(signum, *args):
''' The default signal handler. Don't register with built-in
signal.signal! This needs to be used on the subprocess await
death workaround.
'''
# All valid cpython windows signals
sigs = {
signal.SIGABRT: SIGABRT,
# signal.SIGFPE: 'fpe', # Don't catch this
# signal.SIGSEGV: 'segv', # Don't catch this
# signal.SIGILL: 'illegal', # Don't catch this
signal.SIGINT: SIGINT,
signal.SIGTERM: SIGTERM,
# Note that signal.CTRL_C_EVENT and signal.CTRL_BREAK_EVENT are
# converted to SIGINT in _await_signal
}
try:
exc = sigs[signum]
except KeyError:
exc = DaemonikerSignal
_sketch_raise_in_main(exc)
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
checked = set()
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows.
# Issue #18396, only for signals without a C-level handler.
if signal.getsignal(sig) is not None:
signal.signal(sig, signal.signal(sig, handler))
checked.add(sig)
# Issue #18396: Ensure the above loop at least tested *something*
self.assertTrue(checked)
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
checked = set()
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows.
# Issue #18396, only for signals without a C-level handler.
if signal.getsignal(sig) is not None:
signal.signal(sig, signal.signal(sig, handler))
checked.add(sig)
# Issue #18396: Ensure the above loop at least tested *something*
self.assertTrue(checked)
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def _analyze(self):
if self.signum == SIGSEGV:
self.memoryFault()
elif self.signum == SIGFPE:
self.mathError()
elif self.signum == SIGCHLD:
self.childExit()
elif self.signum == SIGABRT:
self.error = Abort()
return self.error
def test_signal_raise():
record = []
def handler(signum, _):
record.append(signum)
old = signal.signal(signal.SIGFPE, handler)
try:
signal_raise(signal.SIGFPE)
finally:
signal.signal(signal.SIGFPE, old)
assert record == [signal.SIGFPE]
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows
signal.signal(sig, signal.signal(sig, handler))
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows
signal.signal(sig, signal.signal(sig, handler))
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows
signal.signal(sig, signal.signal(sig, handler))
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows
signal.signal(sig, signal.signal(sig, handler))
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def test_issue9324(self):
# Updated for issue #10003, adding SIGBREAK
handler = lambda x, y: None
for sig in (signal.SIGABRT, signal.SIGBREAK, signal.SIGFPE,
signal.SIGILL, signal.SIGINT, signal.SIGSEGV,
signal.SIGTERM):
# Set and then reset a handler for signals that work on windows
signal.signal(sig, signal.signal(sig, handler))
with self.assertRaises(ValueError):
signal.signal(-1, handler)
with self.assertRaises(ValueError):
signal.signal(7, handler)
def _analyze(self):
if self.signum in (SIGSEGV, SIGBUS):
self.memoryFault()
elif self.signum == SIGFPE:
self.mathError()
elif self.signum == SIGCHLD:
self.childExit()
elif self.signum == SIGABRT:
self.reason = Abort()
return self.reason
