Python signal.SIGUSR1属性代码示例

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def dd_iso_image_readoutput(self, dd_process, gui_update, in_file_size,
                                output_q):
        # If this time delay is not given, the Popen does not execute
        # the actual command
        time.sleep(0.1)
        dd_process.send_signal(signal.SIGUSR1)
        dd_process.stderr.flush()
        while True:
            time.sleep(0.1)
            out_error = dd_process.stderr.readline().decode()
            if out_error:
                if 'bytes' in out_error:
                    bytes_copied = float(out_error.split(' ', 1)[0])
                    gui_update( bytes_copied / in_file_size * 100. )
                    break
                if 15 < output_q.qsize():
                    output_q.get()
                output_q.put(out_error.rstrip())
            else:
                # stderr is closed
                break 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_poll_eintr(self):
        got_signal = [False]
        def record(*args):
            got_signal[0] = True
        pid = os.getpid()
        oldhandler = signal.signal(signal.SIGUSR1, record)
        try:
            killer = self.Process(target=self._killer, args=(pid,))
            killer.start()
            p = self.Process(target=time.sleep, args=(1,))
            p.start()
            p.join()
            self.assertTrue(got_signal[0])
            self.assertEqual(p.exitcode, 0)
            killer.join()
        finally:
            signal.signal(signal.SIGUSR1, oldhandler)

#
# Test to verify handle verification, see issue 3321
# 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_ignore_listener(self):
        conn, child_conn = multiprocessing.Pipe()
        try:
            p = multiprocessing.Process(target=self._test_ignore_listener,
                                        args=(child_conn,))
            p.daemon = True
            p.start()
            child_conn.close()
            address = conn.recv()
            time.sleep(0.1)
            os.kill(p.pid, signal.SIGUSR1)
            time.sleep(0.1)
            client = multiprocessing.connection.Client(address)
            self.assertEqual(client.recv(), 'welcome')
            p.join()
        finally:
            conn.close()

#
#
# 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_signals(self):
        signalled_all.acquire()
        self.spawnSignallingThread()
        signalled_all.acquire()
        # the signals that we asked the kernel to send
        # will come back, but we don't know when.
        # (it might even be after the thread exits
        # and might be out of order.)  If we haven't seen
        # the signals yet, send yet another signal and
        # wait for it return.
        if signal_blackboard[signal.SIGUSR1]['tripped'] == 0 \
           or signal_blackboard[signal.SIGUSR2]['tripped'] == 0:
            try:
                signal.alarm(1)
                signal.pause()
            finally:
                signal.alarm(0)

        self.assertEqual( signal_blackboard[signal.SIGUSR1]['tripped'], 1)
        self.assertEqual( signal_blackboard[signal.SIGUSR1]['tripped_by'],
                           thread.get_ident())
        self.assertEqual( signal_blackboard[signal.SIGUSR2]['tripped'], 1)
        self.assertEqual( signal_blackboard[signal.SIGUSR2]['tripped_by'],
                           thread.get_ident())
        signalled_all.release() 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def run(self):
        """
        Run guest main thread
        """
        global virt
        global exiting
        virt = VirtioGuestPosix()
        slave = Thread(target=worker, args=(virt,))
        slave.start()
        signal.signal(signal.SIGUSR1, sigusr_handler)
        signal.signal(signal.SIGALRM, sigusr_handler)
        while not exiting:
            signal.alarm(1)
            signal.pause()
            catch = virt.catching_signal()
            if catch:
                signal.signal(signal.SIGIO, virt)
            elif catch is False:
                signal.signal(signal.SIGIO, signal.SIG_DFL)
            if catch is not None:
                virt.use_config.set()
        print("PASS: guest_exit")
        sys.exit(0) 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_signals(self):
        signalled_all.acquire()
        self.spawnSignallingThread()
        signalled_all.acquire()
        # the signals that we asked the kernel to send
        # will come back, but we don't know when.
        # (it might even be after the thread exits
        # and might be out of order.)  If we haven't seen
        # the signals yet, send yet another signal and
        # wait for it return.
        if signal_blackboard[signal.SIGUSR1]['tripped'] == 0 \
           or signal_blackboard[signal.SIGUSR2]['tripped'] == 0:
            signal.alarm(1)
            signal.pause()
            signal.alarm(0)

        self.assertEqual( signal_blackboard[signal.SIGUSR1]['tripped'], 1)
        self.assertEqual( signal_blackboard[signal.SIGUSR1]['tripped_by'],
                           thread.get_ident())
        self.assertEqual( signal_blackboard[signal.SIGUSR2]['tripped'], 1)
        self.assertEqual( signal_blackboard[signal.SIGUSR2]['tripped_by'],
                           thread.get_ident())
        signalled_all.release() 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_childSignalHandling(self):
        """
        The disposition of signals which are ignored in the parent
        process is reset to the default behavior for the child
        process.
        """
        # Somewhat arbitrarily select SIGUSR1 here.  It satisfies our
        # requirements that:
        #    - The interpreter not fiddle around with the handler
        #      behind our backs at startup time (this disqualifies
        #      signals like SIGINT and SIGPIPE).
        #    - The default behavior is to exit.
        #
        # This lets us send the signal to the child and then verify
        # that it exits with a status code indicating that it was
        # indeed the signal which caused it to exit.
        which = signal.SIGUSR1

        # Ignore the signal in the parent (and make sure we clean it
        # up).
        handler = signal.signal(which, signal.SIG_IGN)
        self.addCleanup(signal.signal, signal.SIGUSR1, handler)

        # Now do the test.
        return self._testSignal(signal.SIGUSR1) 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_log(self):
        """Logging tests"""

        # Not much to test here but exercise the code nonetheless
        # for regression/coverage.

        log = Log(verbose=False, prefix='test')

        log.debug("Invisible debug.")

        try:
            raise ValueError("Test exception")
        except ValueError:
            log.exception("Test exception with message")

        for num in range(1, 5):
            log.debug("Debug")
            log.info("Info")
            log.warning("Warning")
            log.error("Error")
            log.critical("Crtitical")
            os.kill(os.getpid(),
                    signal.SIGUSR1 if (num % 2) != 0 else signal.SIGUSR2) 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_pthread_kill_main_thread(self):
        # Test that a signal can be sent to the main thread with pthread_kill()
        # before any other thread has been created (see issue #12392).
        code = """if True:
            import threading
            import signal
            import sys

            def handler(signum, frame):
                sys.exit(3)

            signal.signal(signal.SIGUSR1, handler)
            signal.pthread_kill(threading.get_ident(), signal.SIGUSR1)
            sys.exit(2)
        """

        with spawn_python('-c', code) as process:
            stdout, stderr = process.communicate()
            exitcode = process.wait()
            if exitcode != 3:
                raise Exception("Child error (exit code %s): %s" %
                                (exitcode, stdout)) 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_communicate_eintr(self):
        # Issue #12493: communicate() should handle EINTR
        def handler(signum, frame):
            pass
        old_handler = signal.signal(signal.SIGUSR1, handler)
        self.addCleanup(signal.signal, signal.SIGUSR1, old_handler)

        args = [sys.executable, "-c",
                'import os, signal;'
                'os.kill(os.getppid(), signal.SIGUSR1)']
        for stream in ('stdout', 'stderr'):
            kw = {stream: subprocess.PIPE}
            with subprocess.Popen(args, **kw) as process:
                # communicate() will be interrupted by SIGUSR1
                process.communicate()


    # This test is Linux-ish specific for simplicity to at least have
    # some coverage.  It is not a platform specific bug. 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def test_poll_eintr(self):
        got_signal = [False]
        def record(*args):
            got_signal[0] = True
        pid = os.getpid()
        oldhandler = signal.signal(signal.SIGUSR1, record)
        try:
            killer = self.Process(target=self._killer, args=(pid,))
            killer.start()
            try:
                p = self.Process(target=time.sleep, args=(2,))
                p.start()
                p.join()
            finally:
                killer.join()
            self.assertTrue(got_signal[0])
            self.assertEqual(p.exitcode, 0)
        finally:
            signal.signal(signal.SIGUSR1, oldhandler)

#
# Test to verify handle verification, see issue 3321
# 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def __init__(self, app, call_id = 'GLOBAL', logfile = '/var/log/sip.log'):
        self.itime = time()
        self.app = '/%s' % app
        self.call_id = call_id
        bend = os.environ.get('SIPLOG_BEND', 'stderr').lower()
        tform = os.environ.get('SIPLOG_TFORM', 'abs').lower()
        if tform == 'rel':
            self.offstime = True
            itime = os.environ.get('SIPLOG_TSTART', self.itime)
            self.itime = float(itime)
        self.level = eval('SIPLOG_' + os.environ.get('SIPLOG_LVL', 'INFO'))
        if bend == 'stderr':
            self.write = self.write_stderr
        elif bend == 'none':
            self.write = self.donoting
        else:
            self.write = self.write_logfile
            self.wi_available = Condition()
            self.wi = []
            if bend != 'syslog':
                self.logger = AsyncLogger(app, self)
                self.logfile = os.environ.get('SIPLOG_LOGFILE_FILE', logfile)
                self.signal_handler = LogSignal(self, SIGUSR1, self.reopen)
            else:
                self.logger = AsyncLoggerSyslog(app, self)
                self.app = '' 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def init_signals(self):
        # Set up signals through the event loop API.

        self.loop.add_signal_handler(
            signal.SIGQUIT, self.handle_quit, signal.SIGQUIT, None
        )

        self.loop.add_signal_handler(
            signal.SIGTERM, self.handle_exit, signal.SIGTERM, None
        )

        self.loop.add_signal_handler(
            signal.SIGINT, self.handle_quit, signal.SIGINT, None
        )

        self.loop.add_signal_handler(
            signal.SIGWINCH, self.handle_winch, signal.SIGWINCH, None
        )

        self.loop.add_signal_handler(
            signal.SIGUSR1, self.handle_usr1, signal.SIGUSR1, None
        )

        self.loop.add_signal_handler(
            signal.SIGABRT, self.handle_abort, signal.SIGABRT, None
        )

        # Don't let SIGTERM and SIGUSR1 disturb active requests
        # by interrupting system calls
        signal.siginterrupt(signal.SIGTERM, False)
        signal.siginterrupt(signal.SIGUSR1, False) 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def set_up_editor_wait(quteproc, tmpdir, text, editor_pid_watcher):
    """Set up editor.command to a small python script inserting a text."""
    assert not utils.is_windows
    pidfile = tmpdir / 'editor_pid'
    script = tmpdir / 'script.py'
    script.write(textwrap.dedent("""
        import os
        import sys
        import time
        import signal

        def handle(sig, _frame):
            filename = sys.argv[1]
            old_mtime = new_mtime = os.stat(filename).st_mtime
            while old_mtime == new_mtime:
                time.sleep(0.1)
                with open(filename, 'w', encoding='utf-8') as f:
                    f.write({text!r})
                new_mtime = os.stat(filename).st_mtime
            if sig == signal.SIGUSR1:
                sys.exit(0)

        signal.signal(signal.SIGUSR1, handle)
        signal.signal(signal.SIGUSR2, handle)

        with open(r'{pidfile}', 'w') as f:
            f.write(str(os.getpid()))

        time.sleep(100)
    """.format(pidfile=pidfile, text=text)))
    editor = json.dumps([sys.executable, str(script), '{}'])
    quteproc.set_setting('editor.command', editor) 

# 需要导入模块: import signal [as 别名]
# 或者: from signal import SIGUSR1 [as 别名]
def kill_editor_wait(tmpdir):
    """Kill the waiting editor."""
    pidfile = tmpdir / 'editor_pid'
    pid = int(pidfile.read())
    # windows has no SIGUSR1, but we don't run this on windows anyways
    # for posix, there IS a member so we need to ignore useless-suppression
    # pylint: disable=no-member,useless-suppression
    os.kill(pid, signal.SIGUSR1)