def test_02_decode_max(self):
        pid = os.fork()
        if not pid:  # child
            trace.me()
            os.kill(os.getpid(), signal.SIGSTOP)

            open('/dev/null', 'r')
            os._exit(0)
        else:  # parent
            pid, status = os.waitpid(pid, 0)
            self.assert_(os.WIFSTOPPED(status), "%#x" % status)
            self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP,
                             "%#x" % status)

            # Loop until we get to the open() system call as there's no
            # guarantee that other system calls won't be called beforehand.
            while True:
                trace.syscall_entry(pid, 0)
                pid, status = os.waitpid(pid, 0)
                self.assert_(os.WIFSTOPPED(status), "%#x" % status)
                self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP,
                                 "%#x" % status)

                scno = syscall.get_no(pid)
                name = syscall.name(scno)
                if name == 'open':
                    path = string.decode(pid, 0, 9)
                    self.assertEqual(path, '/dev/null')
                    break

            try:
                trace.kill(pid)
            except OSError:
                pass
Example #2
0
    def test_02_decode_max(self):
        pid = os.fork()
        if not pid: # child
            trace.me()
            os.kill(os.getpid(), signal.SIGSTOP)

            open('/dev/null', 'r')
            os._exit(0)
        else: # parent
            pid, status = os.waitpid(pid, 0)
            self.assert_(os.WIFSTOPPED(status), "%#x" % status)
            self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP, "%#x" % status)

            # Loop until we get to the open() system call as there's no
            # guarantee that other system calls won't be called beforehand.
            while True:
                trace.syscall_entry(pid, 0)
                pid, status = os.waitpid(pid, 0)
                self.assert_(os.WIFSTOPPED(status), "%#x" % status)
                self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP, "%#x" %  status)

                scno = syscall.get_no(pid)
                name = syscall.name(scno)
                if name == 'open':
                    path = string.decode(pid, 0, 9)
                    self.assertEqual(path, '/dev/null')
                    break

            try: trace.kill(pid)
            except OSError: pass
    def test_02_decode_max(self):
        pid = os.fork()
        if not pid: # child
            trace.me()
            os.kill(os.getpid(), signal.SIGSTOP)

            open('/dev/null', 'r')
            os._exit(0)
        else: # parent
            os.waitpid(pid, 0)
            trace.setup(pid, trace.OPTION_SYSGOOD)

            # Loop until we get to the open() system call as there's no
            # guarantee that other system calls won't be called beforehand.
            ev = -1
            while ev != event.EVENT_EXIT_GENUINE:
                trace.syscall(pid)
                pid, status = os.waitpid(pid, 0)

                ev = event.decide(status)
                if ev == event.EVENT_SYSCALL:
                    scno = syscall.get_no(pid)
                    name = syscall.name(scno)
                    if name == 'open':
                        path = string.decode(pid, 0, 9)
                        self.assertEqual(path, '/dev/null')
                        break

            try: trace.kill(pid)
            except OSError: pass