Python signal 模块，SIGFPE 实例源码

我们从Python开源项目中，提取了以下12个代码示例，用于说明如何使用signal.SIGFPE。

项目：web_ctp 作者：molebot | 项目源码 | 文件源码

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)

项目：py_daemoniker 作者：Muterra | 项目源码 | 文件源码

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)

项目：ouroboros 作者：pybee | 项目源码 | 文件源码

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)

项目：kbe_server 作者：xiaohaoppy | 项目源码 | 文件源码

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)

项目：darkc0de-old-stuff 作者：tuwid | 项目源码 | 文件源码

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

项目：trio 作者：python-trio | 项目源码 | 文件源码

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]

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

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)

项目：oil 作者：oilshell | 项目源码 | 文件源码

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)

项目：python2-tracer 作者：extremecoders-re | 项目源码 | 文件源码

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)

项目：pefile.pypy 作者：cloudtracer | 项目源码 | 文件源码

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)

项目：ndk-python 作者：gittor | 项目源码 | 文件源码

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)

项目：python-ptrace 作者：vstinner | 项目源码 | 文件源码

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