python类getsid()的实例源码

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "r") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "r") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "r") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "r") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def _check_ioctl_mutate_len(self, nbytes=None):
        buf = array.array('i')
        intsize = buf.itemsize
        ids = (os.getpgrp(), os.getsid(0))
        # A fill value unlikely to be in `ids`
        fill = -12345
        if nbytes is not None:
            # Extend the buffer so that it is exactly `nbytes` bytes long
            buf.extend([fill] * (nbytes // intsize))
            self.assertEqual(len(buf) * intsize, nbytes)   # sanity check
        else:
            buf.append(fill)
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, buf, 1)
        rpgrp = buf[0]
        self.assertEqual(r, 0)
        self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
            rpgrp = struct.unpack("i", r)[0]
            self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        tty = open("/dev/tty", "r")
        r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
        rpgrp = struct.unpack("i", r)[0]
        self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        tty = open("/dev/tty", "r")
        r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
        rpgrp = struct.unpack("i", r)[0]
        self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
            rpgrp = struct.unpack("i", r)[0]
            self.assertIn(rpgrp, ids)

def get_sid(self):
        """ return the CURRENT session id of the process. this differs from
        self.sid in that this refects the current state of the process, where
        self.sid is the session id at launch """
        return os.getsid(self.pid)

def childproc_filialusurp(umask, chdir, umask_path, sid_path, wdir_path,
                          pid_path):
    _filial_usurpation(chdir, umask)
    # Get our session id
    my_pid = os.getpid()
    sid = os.getsid(my_pid)
    # reset umask and get our set one.
    umask = os.umask(0)
    # Get our working directory.
    wdir = os.path.abspath(os.getcwd())

    # Update parent
    # Write the umask to the response path
    with open(umask_path, 'w') as f:
        f.write(str(umask) + '\n')

    # Write the sid to the response path
    with open(sid_path, 'w') as f:
        f.write(str(sid) + '\n')

    # Write the working dir to the response path
    with open(wdir_path, 'w') as f:
        f.write(wdir + '\n')

    # Write the pid to the response path
    with open(pid_path, 'w') as f:
        f.write(str(my_pid) + '\n')


# ###############################################
# Testing
# ###############################################

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        tty = open("/dev/tty", "r")
        r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
        rpgrp = struct.unpack("i", r)[0]
        self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
            rpgrp = struct.unpack("i", r)[0]
            self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        tty = open("/dev/tty", "r")
        r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
        rpgrp = struct.unpack("i", r)[0]
        self.assertIn(rpgrp, ids)

def test_ioctl(self):
        # If this process has been put into the background, TIOCGPGRP returns
        # the session ID instead of the process group id.
        ids = (os.getpgrp(), os.getsid(0))
        with open("/dev/tty", "rb") as tty:
            r = fcntl.ioctl(tty, termios.TIOCGPGRP, "    ")
            rpgrp = struct.unpack("i", r)[0]
            self.assertIn(rpgrp, ids)

def show_process_info(mark):
    print('\n')
    logging.info('show->%s',mark)
    # logging.info('sid:%s',os.getsid())
    logging.info('gid:%s',os.getgid())
    logging.info('pid:%s',os.getpid())
    logging.info('uid:%s',os.getuid())
    print('\n')

def sid(self):
        """
        Session ID, or None if it hasn't started yet.

        POSIX only.
        """
        return os.getsid(self.pid)