Python os.WIFEXITED() Examples

The following are code examples for showing how to use os.WIFEXITED(). They are extracted from open source Python projects. You can vote up the examples you like or vote down the exmaples you don't like. You can also save this page to your account.

Example 1
Project: hostapd-mana   Author: adde88   File: process.py    (license) View Source Project 6 votes vote down vote up
def maybeCallProcessEnded(self):
        # two things must happen before we call the ProcessProtocol's
        # processEnded method. 1: the child process must die and be reaped
        # (which calls our own processEnded method). 2: the child must close
        # their stdin/stdout/stderr fds, causing the pty to close, causing
        # our connectionLost method to be called. #2 can also be triggered
        # by calling .loseConnection().
        if self.lostProcess == 2:
            try:
                exitCode = sig = None
                if self.status != -1:
                    if os.WIFEXITED(self.status):
                        exitCode = os.WEXITSTATUS(self.status)
                    else:
                        sig = os.WTERMSIG(self.status)
                else:
                    pass # wonder when this happens
                if exitCode or sig:
                    e = error.ProcessTerminated(exitCode, sig, self.status)
                else:
                    e = error.ProcessDone(self.status)
                self.proto.processEnded(failure.Failure(e))
                self.proto = None
            except:
                log.err() 
Example 2
Project: hostapd-mana   Author: adde88   File: forking.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                while True:
                    try:
                        pid, sts = os.waitpid(self.pid, flag)
                    except os.error as e:
                        if e.errno == errno.EINTR:
                            continue
                        # Child process not yet created. See #1731717
                        # e.errno == errno.ECHILD == 10
                        return None
                    else:
                        break
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 3
Project: spichi   Author: ifkite   File: autoreload.py    (license) View Source Project 6 votes vote down vote up
def wait_child(pid):
    while True:
        try:
            # wait for child process
            wpid, sts = os.waitpid(pid, 0)
        except KeyboardInterrupt:
            # handle exceptions when parent is waiting
            handle_parent_exit(pid)

        # if child process stopped
        if os.WIFSTOPPED(sts):
            continue
        # if receive keybord interuption or kill signal
        elif os.WIFSIGNALED(sts):
            return sts
        # seems not work
        elif os.WIFEXITED(sts):
            return sts
        else:
            raise "Not stopped, signaled or exited???" 
Example 4
Project: annotated-py-asyncio   Author: hhstore   File: unix_events.py    (license) View Source Project 6 votes vote down vote up
def _compute_returncode(self, status):
        if os.WIFSIGNALED(status):
            # The child process died because of a signal.
            return -os.WTERMSIG(status)
        elif os.WIFEXITED(status):
            # The child process exited (e.g sys.exit()).
            return os.WEXITSTATUS(status)
        else:
            # The child exited, but we don't understand its status.
            # This shouldn't happen, but if it does, let's just
            # return that status; perhaps that helps debug it.
            return status


#
# ?????:
# 
Example 5
Project: Theano-MPI   Author: uoguelph-mlrg   File: rules.py    (license) View Source Project 6 votes vote down vote up
def wait(self):
        
        if self.pid == None:
            
            'Rule %s not initialized' % self.rulename
            
            return
        
        try:
            pid, status = os.waitpid(self.pid, 0)
            if pid != self.pid:
                print("\nWARNING! Received status for unknown process {}".format(pid))
                sys.exit(3)
            if os.WIFEXITED(status):
                rcode = os.WEXITSTATUS(status)
                print("\n Rule session {0} terminated with return code: {1}.".format(pid,rcode))
            
        except (RuntimeError, KeyboardInterrupt):

            print("Killing worker processes...")

            os.kill(self.pid, signal.SIGTERM)
            pid, status = os.waitpid(self.pid, 0)
            
            sys.exit(3) 
Example 6
Project: bilean   Author: openstack   File: wsgi.py    (license) View Source Project 6 votes vote down vote up
def wait_on_children(self):
        """Wait on children exit."""

        while self.running:
            try:
                pid, status = os.wait()
                if os.WIFEXITED(status) or os.WIFSIGNALED(status):
                    self._remove_children(pid)
                    self._verify_and_respawn_children(pid, status)
            except OSError as err:
                if err.errno not in (errno.EINTR, errno.ECHILD):
                    raise
            except KeyboardInterrupt:
                LOG.info(_LI('Caught keyboard interrupt. Exiting.'))
                os.killpg(0, signal.SIGTERM)
                break
            except exception.SIGHUPInterrupt:
                self.reload()
                continue

        eventlet.greenio.shutdown_safe(self.sock)
        self.sock.close()
        LOG.debug('Exited') 
Example 7
Project: oil   Author: oilshell   File: forking.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                while True:
                    try:
                        pid, sts = os.waitpid(self.pid, flag)
                    except os.error as e:
                        if e.errno == errno.EINTR:
                            continue
                        # Child process not yet created. See #1731717
                        # e.errno == errno.ECHILD == 10
                        return None
                    else:
                        break
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 8
Project: python2-tracer   Author: extremecoders-re   File: forking.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                while True:
                    try:
                        pid, sts = os.waitpid(self.pid, flag)
                    except os.error as e:
                        if e.errno == errno.EINTR:
                            continue
                        # Child process not yet created. See #1731717
                        # e.errno == errno.ECHILD == 10
                        return None
                    else:
                        break
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 9
Project: vivisect-py3   Author: bat-serjo   File: posix.py    (license) View Source Project 6 votes vote down vote up
def platformProcessEvent(self, event):
        pid, status = event
        if os.WIFEXITED(status):
            tid = self.getMeta("ThreadId", -1)
            exitcode = os.WEXITSTATUS(status)
            if tid != self.getPid():
                # Set the selected thread ID to the pid cause
                # the old one's invalid
                if tid in self.pthreads:
                    self.pthreads.remove(tid)
                self.setMeta("ThreadId", self.getPid())
                self._fireExitThread(tid, exitcode)

            else:
                self._fireExit(exitcode)

        elif os.WIFSIGNALED(status):
            self._fireExit(os.WTERMSIG(status))

        elif os.WIFSTOPPED(status):
            sig = os.WSTOPSIG(status)
            self.handlePosixSignal(sig)

        else:
            print("OMG WTF JUST HAPPENED??!?11/!?1?>!") 
Example 10
Project: sslstrip-hsts-openwrt   Author: adde88   File: process.py    (license) View Source Project 6 votes vote down vote up
def maybeCallProcessEnded(self):
        # two things must happen before we call the ProcessProtocol's
        # processEnded method. 1: the child process must die and be reaped
        # (which calls our own processEnded method). 2: the child must close
        # their stdin/stdout/stderr fds, causing the pty to close, causing
        # our connectionLost method to be called. #2 can also be triggered
        # by calling .loseConnection().
        if self.lostProcess == 2:
            try:
                exitCode = sig = None
                if self.status != -1:
                    if os.WIFEXITED(self.status):
                        exitCode = os.WEXITSTATUS(self.status)
                    else:
                        sig = os.WTERMSIG(self.status)
                else:
                    pass # wonder when this happens
                if exitCode or sig:
                    e = error.ProcessTerminated(exitCode, sig, self.status)
                else:
                    e = error.ProcessDone(self.status)
                self.proto.processEnded(failure.Failure(e))
                self.proto = None
            except:
                log.err() 
Example 11
Project: sslstrip-hsts-openwrt   Author: adde88   File: forking.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                while True:
                    try:
                        pid, sts = os.waitpid(self.pid, flag)
                    except os.error as e:
                        if e.errno == errno.EINTR:
                            continue
                        # Child process not yet created. See #1731717
                        # e.errno == errno.ECHILD == 10
                        return None
                    else:
                        break
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 12
Project: cpp-boilerplate   Author: xwvvvvwx   File: gtest_test_utils.py    (license) View Source Project 6 votes vote down vote up
def GetExitStatus(exit_code):
  """Returns the argument to exit(), or -1 if exit() wasn't called.

  Args:
    exit_code: the result value of os.system(command).
  """

  if os.name == 'nt':
    # On Windows, os.WEXITSTATUS() doesn't work and os.system() returns
    # the argument to exit() directly.
    return exit_code
  else:
    # On Unix, os.WEXITSTATUS() must be used to extract the exit status
    # from the result of os.system().
    if os.WIFEXITED(exit_code):
      return os.WEXITSTATUS(exit_code)
    else:
      return -1 
Example 13
Project: cpp-boilerplate   Author: xwvvvvwx   File: gmock_test_utils.py    (license) View Source Project 6 votes vote down vote up
def GetExitStatus(exit_code):
  """Returns the argument to exit(), or -1 if exit() wasn't called.

  Args:
    exit_code: the result value of os.system(command).
  """

  if os.name == 'nt':
    # On Windows, os.WEXITSTATUS() doesn't work and os.system() returns
    # the argument to exit() directly.
    return exit_code
  else:
    # On Unix, os.WEXITSTATUS() must be used to extract the exit status
    # from the result of os.system().
    if os.WIFEXITED(exit_code):
      return os.WEXITSTATUS(exit_code)
    else:
      return -1


# Suppresses the "Invalid const name" lint complaint
# pylint: disable-msg=C6409

# Exposes utilities from gtest_test_utils. 
Example 14
Project: ouroboros   Author: pybee   File: popen_fork.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
        if self.returncode is None:
            while True:
                try:
                    pid, sts = os.waitpid(self.pid, flag)
                except OSError as e:
                    if e.errno == errno.EINTR:
                        continue
                    # Child process not yet created. See #1731717
                    # e.errno == errno.ECHILD == 10
                    return None
                else:
                    break
            if pid == self.pid:
                if os.WIFSIGNALED(sts):
                    self.returncode = -os.WTERMSIG(sts)
                else:
                    assert os.WIFEXITED(sts)
                    self.returncode = os.WEXITSTATUS(sts)
        return self.returncode 
Example 15
Project: ndk-python   Author: gittor   File: forking.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                while True:
                    try:
                        pid, sts = os.waitpid(self.pid, flag)
                    except os.error as e:
                        if e.errno == errno.EINTR:
                            continue
                        # Child process not yet created. See #1731717
                        # e.errno == errno.ECHILD == 10
                        return None
                    else:
                        break
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 16
Project: empyrion-python-api   Author: huhlig   File: forking.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                while True:
                    try:
                        pid, sts = os.waitpid(self.pid, flag)
                    except os.error as e:
                        if e.errno == errno.EINTR:
                            continue
                        # Child process not yet created. See #1731717
                        # e.errno == errno.ECHILD == 10
                        return None
                    else:
                        break
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 17
Project: zenchmarks   Author: squeaky-pl   File: test_mail.py    (license) View Source Project 6 votes vote down vote up
def exitStatus(self, code):
        """
        Construct a status from the given exit code.

        @type code: L{int} between 0 and 255 inclusive.
        @param code: The exit status which the code will represent.

        @rtype: L{int}
        @return: A status integer for the given exit code.
        """
        # /* Macros for constructing status values.  */
        # #define __W_EXITCODE(ret, sig)  ((ret) << 8 | (sig))
        status = (code << 8) | 0

        # Sanity check
        self.assertTrue(os.WIFEXITED(status))
        self.assertEqual(os.WEXITSTATUS(status), code)
        self.assertFalse(os.WIFSIGNALED(status))

        return status 
Example 18
Project: zenchmarks   Author: squeaky-pl   File: test_mail.py    (license) View Source Project 6 votes vote down vote up
def signalStatus(self, signal):
        """
        Construct a status from the given signal.

        @type signal: L{int} between 0 and 255 inclusive.
        @param signal: The signal number which the status will represent.

        @rtype: L{int}
        @return: A status integer for the given signal.
        """
        # /* If WIFSIGNALED(STATUS), the terminating signal.  */
        # #define __WTERMSIG(status)      ((status) & 0x7f)
        # /* Nonzero if STATUS indicates termination by a signal.  */
        # #define __WIFSIGNALED(status) \
        #    (((signed char) (((status) & 0x7f) + 1) >> 1) > 0)
        status = signal

        # Sanity check
        self.assertTrue(os.WIFSIGNALED(status))
        self.assertEqual(os.WTERMSIG(status), signal)
        self.assertFalse(os.WIFEXITED(status))

        return status 
Example 19
Project: kbe_server   Author: xiaohaoppy   File: popen_fork.py    (license) View Source Project 6 votes vote down vote up
def poll(self, flag=os.WNOHANG):
        if self.returncode is None:
            while True:
                try:
                    pid, sts = os.waitpid(self.pid, flag)
                except OSError as e:
                    if e.errno == errno.EINTR:
                        continue
                    # Child process not yet created. See #1731717
                    # e.errno == errno.ECHILD == 10
                    return None
                else:
                    break
            if pid == self.pid:
                if os.WIFSIGNALED(sts):
                    self.returncode = -os.WTERMSIG(sts)
                else:
                    assert os.WIFEXITED(sts)
                    self.returncode = os.WEXITSTATUS(sts)
        return self.returncode 
Example 20
Project: gtpp   Author: joshkel   File: gtpp.py    (license) View Source Project 6 votes vote down vote up
def print_exit_status(process, printer):
    exit_signal = None
    exit_code = None
    core_dumped = False

    try:
        wait_result = os.waitpid(process.pid, 0)[1]
        if os.WIFSIGNALED(wait_result):
            exit_signal = os.WTERMSIG(wait_result)
            exit_code = 128 + exit_signal
        elif os.WIFEXITED(wait_result):
            exit_code = os.WEXITSTATUS(wait_result)
        core_dumped = os.WCOREDUMP(wait_result)
    except ChildProcessError:
        # Must be Windows; waiting for a terminated process doesn't work (?)
        exit_code = process.returncode

    if exit_signal is not None:
        signal_name = signal_names.get(exit_signal, 'unknown signal')
        printer.print(
            Fore.RED + 'Terminated by %s (%i)' % (signal_name, exit_signal) + Style.RESET_ALL)
        exit_code = 128 + exit_signal
    if core_dumped:
        printer.print(Fore.RED + 'Core dumped' + Style.RESET_ALL)
    return exit_code 
Example 21
Project: glare   Author: openstack   File: wsgi.py    (license) View Source Project 6 votes vote down vote up
def wait_on_children(self):
        while self.running:
            try:
                pid, status = os.wait()
                if os.WIFEXITED(status) or os.WIFSIGNALED(status):
                    self._remove_children(pid)
                    self._verify_and_respawn_children(pid, status)
            except OSError as err:
                if err.errno not in (errno.EINTR, errno.ECHILD):
                    raise
            except KeyboardInterrupt:
                LOG.info('Caught keyboard interrupt. Exiting.')
                break
            except glare_exc.SIGHUPInterrupt:
                self.reload()
                continue
        eventlet.greenio.shutdown_safe(self.sock)
        self.sock.close()
        LOG.debug('Exited') 
Example 22
Project: kinect-2-libras   Author: inessadl   File: subprocess.py    (Apache License 2.0) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
                _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
                _WEXITSTATUS=os.WEXITSTATUS):
            # This method is called (indirectly) by __del__, so it cannot
            # refer to anything outside of its local scope."""
            if _WIFSIGNALED(sts):
                self.returncode = -_WTERMSIG(sts)
            elif _WIFEXITED(sts):
                self.returncode = _WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 23
Project: kinect-2-libras   Author: inessadl   File: forking.py    (Apache License 2.0) View Source Project 5 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                try:
                    pid, sts = os.waitpid(self.pid, flag)
                except os.error:
                    # Child process not yet created. See #1731717
                    # e.errno == errno.ECHILD == 10
                    return None
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 24
Project: noc-orchestrator   Author: DirceuSilvaLabs   File: process.py    (MIT License) View Source Project 5 votes vote down vote up
def _set_returncode(self, status):
        if os.WIFSIGNALED(status):
            self.returncode = -os.WTERMSIG(status)
        else:
            assert os.WIFEXITED(status)
            self.returncode = os.WEXITSTATUS(status)
        if self._exit_callback:
            callback = self._exit_callback
            self._exit_callback = None
            callback(self.returncode) 
Example 25
Project: noc-orchestrator   Author: DirceuSilvaLabs   File: process.py    (MIT License) View Source Project 5 votes vote down vote up
def _set_returncode(self, status):
        if os.WIFSIGNALED(status):
            self.returncode = -os.WTERMSIG(status)
        else:
            assert os.WIFEXITED(status)
            self.returncode = os.WEXITSTATUS(status)
        if self._exit_callback:
            callback = self._exit_callback
            self._exit_callback = None
            callback(self.returncode) 
Example 26
Project: noc-orchestrator   Author: DirceuSilvaLabs   File: process.py    (MIT License) View Source Project 5 votes vote down vote up
def _set_returncode(self, status):
        if os.WIFSIGNALED(status):
            self.returncode = -os.WTERMSIG(status)
        else:
            assert os.WIFEXITED(status)
            self.returncode = os.WEXITSTATUS(status)
        if self._exit_callback:
            callback = self._exit_callback
            self._exit_callback = None
            callback(self.returncode) 
Example 27
Project: hostapd-mana   Author: adde88   File: process.py    (license) View Source Project 5 votes vote down vote up
def maybeCallProcessEnded(self):
        # we don't call ProcessProtocol.processEnded until:
        #  the child has terminated, AND
        #  all writers have indicated an error status, AND
        #  all readers have indicated EOF
        # This insures that we've gathered all output from the process.
        if self.pipes:
            #print "maybe, but pipes still", self.pipes.keys()
            return
        if not self.lostProcess:
            #print "maybe, but haven't .lostProcess yet"
            self.reapProcess()
            return
        try:
            exitCode = sig = None
            if self.status != -1:
                if os.WIFEXITED(self.status):
                    exitCode = os.WEXITSTATUS(self.status)
                else:
                    sig = os.WTERMSIG(self.status)
            else:
                pass # don't think this can happen
            if exitCode or sig:
                e = error.ProcessTerminated(exitCode, sig, self.status)
            else:
                e = error.ProcessDone(self.status)
            if self.proto is not None:
                self.proto.processEnded(failure.Failure(e))
                self.proto = None
        except:
            log.err() 
Example 28
Project: hostapd-mana   Author: adde88   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
                _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
                _WEXITSTATUS=os.WEXITSTATUS):
            # This method is called (indirectly) by __del__, so it cannot
            # refer to anything outside of its local scope.
            if _WIFSIGNALED(sts):
                self.returncode = -_WTERMSIG(sts)
            elif _WIFEXITED(sts):
                self.returncode = _WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 29
Project: gipc   Author: jgehrcke   File: gipc.py    (license) View Source Project 5 votes vote down vote up
def _on_sigchld(self, watcher):
            """Callback of libev child watcher. Called when libev event loop
            catches corresponding SIGCHLD signal.
            """
            watcher.stop()
            # Status evaluation copied from `multiprocessing.forking` in Py2.7.
            if os.WIFSIGNALED(watcher.rstatus):
                self._popen.returncode = -os.WTERMSIG(watcher.rstatus)
            else:
                assert os.WIFEXITED(watcher.rstatus)
                self._popen.returncode = os.WEXITSTATUS(watcher.rstatus)
            self._returnevent.set()
            log.debug("SIGCHLD watcher callback for %s invoked. Exitcode "
                      "stored: %s", self.pid, self._popen.returncode) 
Example 30
Project: radar   Author: amoose136   File: cpuinfo.py    (license) View Source Project 5 votes vote down vote up
def getoutput(cmd, successful_status=(0,), stacklevel=1):
    try:
        status, output = getstatusoutput(cmd)
    except EnvironmentError:
        e = get_exception()
        warnings.warn(str(e), UserWarning, stacklevel=stacklevel)
        return False, output
    if os.WIFEXITED(status) and os.WEXITSTATUS(status) in successful_status:
        return True, output
    return False, output 
Example 31
Project: watchmen   Author: lycclsltt   File: ptyprocess.py    (license) View Source Project 5 votes vote down vote up
def wait(self):
        '''This waits until the child exits. This is a blocking call. This will
        not read any data from the child, so this will block forever if the
        child has unread output and has terminated. In other words, the child
        may have printed output then called exit(), but, the child is
        technically still alive until its output is read by the parent. '''

        if self.isalive():
            pid, status = os.waitpid(self.pid, 0)
        else:
            return self.exitstatus
        self.exitstatus = os.WEXITSTATUS(status)
        if os.WIFEXITED(status):
            self.status = status
            self.exitstatus = os.WEXITSTATUS(status)
            self.signalstatus = None
            self.terminated = True
        elif os.WIFSIGNALED(status):
            self.status = status
            self.exitstatus = None
            self.signalstatus = os.WTERMSIG(status)
            self.terminated = True
        elif os.WIFSTOPPED(status):  # pragma: no cover
            # You can't call wait() on a child process in the stopped state.
            raise PtyProcessError('Called wait() on a stopped child ' +
                    'process. This is not supported. Is some other ' +
                    'process attempting job control with our child pid?')
        return self.exitstatus 
Example 32
Project: mx   Author: graalvm   File: mx.py    (license) View Source Project 5 votes vote down vote up
def _waitWithTimeout(process, args, timeout, nonZeroIsFatal=True):
    def _waitpid(pid):
        while True:
            try:
                return os.waitpid(pid, os.WNOHANG)
            except OSError, e:
                if e.errno == errno.EINTR:
                    continue
                raise

    def _returncode(status):
        if os.WIFSIGNALED(status):
            return -os.WTERMSIG(status)
        elif os.WIFEXITED(status):
            return os.WEXITSTATUS(status)
        else:
            # Should never happen
            raise RuntimeError("Unknown child exit status!")

    end = time.time() + timeout
    delay = 0.0005
    while True:
        (pid, status) = _waitpid(process.pid)
        if pid == process.pid:
            return _returncode(status)
        remaining = end - time.time()
        if remaining <= 0:
            msg = 'Process timed out after {0} seconds: {1}'.format(timeout, ' '.join(args))
            if nonZeroIsFatal:
                abort(msg)
            else:
                log(msg)
                _kill_process(process.pid, signal.SIGKILL)
                return ERROR_TIMEOUT
        delay = min(delay * 2, remaining, .05)
        time.sleep(delay)

# Makes the current subprocess accessible to the abort() function
# This is a list of tuples of the subprocess.Popen or
# multiprocessing.Process object and args. 
Example 33
Project: Intranet-Penetration   Author: yuxiaokui   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
                _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
                _WEXITSTATUS=os.WEXITSTATUS):
            # This method is called (indirectly) by __del__, so it cannot
            # refer to anything outside of its local scope.
            if _WIFSIGNALED(sts):
                self.returncode = -_WTERMSIG(sts)
            elif _WIFEXITED(sts):
                self.returncode = _WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 34
Project: Intranet-Penetration   Author: yuxiaokui   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts):
            if os.WIFSIGNALED(sts):
                self.returncode = -os.WTERMSIG(sts)
            elif os.WIFEXITED(sts):
                self.returncode = os.WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 35
Project: Intranet-Penetration   Author: yuxiaokui   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts):
            if os.WIFSIGNALED(sts):
                self.returncode = -os.WTERMSIG(sts)
            elif os.WIFEXITED(sts):
                self.returncode = os.WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 36
Project: MKFQ   Author: maojingios   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
                _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
                _WEXITSTATUS=os.WEXITSTATUS):
            # This method is called (indirectly) by __del__, so it cannot
            # refer to anything outside of its local scope.
            if _WIFSIGNALED(sts):
                self.returncode = -_WTERMSIG(sts)
            elif _WIFEXITED(sts):
                self.returncode = _WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 37
Project: MKFQ   Author: maojingios   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts):
            if os.WIFSIGNALED(sts):
                self.returncode = -os.WTERMSIG(sts)
            elif os.WIFEXITED(sts):
                self.returncode = os.WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 38
Project: MKFQ   Author: maojingios   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts):
            if os.WIFSIGNALED(sts):
                self.returncode = -os.WTERMSIG(sts)
            elif os.WIFEXITED(sts):
                self.returncode = os.WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 39
Project: aerospike-telemetry-agent   Author: aerospike   File: cpuinfo.py    (license) View Source Project 5 votes vote down vote up
def getoutput(cmd, successful_status=(0,), stacklevel=1):
    try:
        status, output = commands.getstatusoutput(cmd)
    except EnvironmentError, e:
        warnings.warn(str(e), UserWarning, stacklevel=stacklevel)
        return False, ''
    if os.WIFEXITED(status) and os.WEXITSTATUS(status) in successful_status:
        return True, output
    return False, output 
Example 40
Project: oa_qian   Author: sunqb   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts):
            if os.WIFSIGNALED(sts):
                self.returncode = -os.WTERMSIG(sts)
            elif os.WIFEXITED(sts):
                self.returncode = os.WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 41
Project: RealtimePythonChat   Author: quangtqag   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts):
            if os.WIFSIGNALED(sts):
                self.returncode = -os.WTERMSIG(sts)
            elif os.WIFEXITED(sts):
                self.returncode = os.WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 42
Project: leetcode   Author: thomasyimgit   File: ptyprocess.py    (license) View Source Project 5 votes vote down vote up
def wait(self):
        '''This waits until the child exits. This is a blocking call. This will
        not read any data from the child, so this will block forever if the
        child has unread output and has terminated. In other words, the child
        may have printed output then called exit(), but, the child is
        technically still alive until its output is read by the parent. '''

        if self.isalive():
            pid, status = os.waitpid(self.pid, 0)
        else:
            return self.exitstatus
        self.exitstatus = os.WEXITSTATUS(status)
        if os.WIFEXITED(status):
            self.status = status
            self.exitstatus = os.WEXITSTATUS(status)
            self.signalstatus = None
            self.terminated = True
        elif os.WIFSIGNALED(status):
            self.status = status
            self.exitstatus = None
            self.signalstatus = os.WTERMSIG(status)
            self.terminated = True
        elif os.WIFSTOPPED(status):  # pragma: no cover
            # You can't call wait() on a child process in the stopped state.
            raise PtyProcessError('Called wait() on a stopped child ' +
                    'process. This is not supported. Is some other ' +
                    'process attempting job control with our child pid?')
        return self.exitstatus 
Example 43
Project: zippy   Author: securesystemslab   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
                _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
                _WEXITSTATUS=os.WEXITSTATUS):
            # This method is called (indirectly) by __del__, so it cannot
            # refer to anything outside of its local scope."""
            if _WIFSIGNALED(sts):
                self.returncode = -_WTERMSIG(sts)
            elif _WIFEXITED(sts):
                self.returncode = _WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!") 
Example 44
Project: zippy   Author: securesystemslab   File: forking.py    (license) View Source Project 5 votes vote down vote up
def poll(self, flag=os.WNOHANG):
            if self.returncode is None:
                try:
                    pid, sts = os.waitpid(self.pid, flag)
                except os.error:
                    # Child process not yet created. See #1731717
                    # e.errno == errno.ECHILD == 10
                    return None
                if pid == self.pid:
                    if os.WIFSIGNALED(sts):
                        self.returncode = -os.WTERMSIG(sts)
                    else:
                        assert os.WIFEXITED(sts)
                        self.returncode = os.WEXITSTATUS(sts)
            return self.returncode 
Example 45
Project: landscape-client   Author: CanonicalLtd   File: facade.py    (license) View Source Project 5 votes vote down vote up
def wait_child(self):
        """Override to find out whether dpkg exited or not.

        The C{run()} method returns os.WEXITSTATUS(res) without checking
        os.WIFEXITED(res) first, so it can signal that everything is ok,
        even though something causes dpkg not to exit cleanly.

        Save whether dpkg exited cleanly into the C{dpkg_exited}
        attribute. If dpkg exited cleanly the exit code can be used to
        determine whether there were any errors. If dpkg didn't exit
        cleanly it should mean that something went wrong.
        """
        res = super(LandscapeInstallProgress, self).wait_child()
        self.dpkg_exited = os.WIFEXITED(res)
        return res 
Example 46
Project: bilean   Author: openstack   File: wsgi.py    (license) View Source Project 5 votes vote down vote up
def _verify_and_respawn_children(self, pid, status):
        if len(self.stale_children) == 0:
            LOG.debug('No stale children')

        if os.WIFEXITED(status) and os.WEXITSTATUS(status) != 0:
            LOG.error(_LE('Not respawning child %d, cannot '
                          'recover from termination'), pid)
            if not self.children and not self.stale_children:
                LOG.info(_LI('All workers have terminated. Exiting'))
                self.running = False
        else:
            if len(self.children) < self.conf.workers:
                self.run_child() 
Example 47
Project: winpexpect   Author: geertj   File: pexpect.py    (license) View Source Project 5 votes vote down vote up
def wait(self):

        """This waits until the child exits. This is a blocking call. This will
        not read any data from the child, so this will block forever if the
        child has unread output and has terminated. In other words, the child
        may have printed output then called exit(); but, technically, the child
        is still alive until its output is read. """

        if self.isalive():
            pid, status = os.waitpid(self.pid, 0)
        else:
            raise ExceptionPexpect ('Cannot wait for dead child process.')
        self.exitstatus = os.WEXITSTATUS(status)
        if os.WIFEXITED (status):
            self.status = status
            self.exitstatus = os.WEXITSTATUS(status)
            self.signalstatus = None
            self.terminated = True
        elif os.WIFSIGNALED (status):
            self.status = status
            self.exitstatus = None
            self.signalstatus = os.WTERMSIG(status)
            self.terminated = True
        elif os.WIFSTOPPED (status):
            raise ExceptionPexpect ('Wait was called for a child process that is stopped. This is not supported. Is some other process attempting job control with our child pid?')
        return self.exitstatus 
Example 48
Project: krpcScripts   Author: jwvanderbeck   File: cpuinfo.py    (license) View Source Project 5 votes vote down vote up
def getoutput(cmd, successful_status=(0,), stacklevel=1):
    try:
        status, output = getstatusoutput(cmd)
    except EnvironmentError:
        e = get_exception()
        warnings.warn(str(e), UserWarning, stacklevel=stacklevel)
        return False, output
    if os.WIFEXITED(status) and os.WEXITSTATUS(status) in successful_status:
        return True, output
    return False, output 
Example 49
Project: oil   Author: oilshell   File: process.py    (license) View Source Project 5 votes vote down vote up
def Wait(self):
    # This is a list of async jobs
    try:
      pid, status = os.wait()
    except OSError as e:
      if e.errno == errno.ECHILD:
        #log('WAIT ECHILD')
        return False  # nothing to wait for caller should stop
      else:
        # What else can go wrong?
        raise

    #log('WAIT got %s %s', pid, status)

    # TODO: change status in more cases.
    if os.WIFSIGNALED(status):
      pass
    elif os.WIFEXITED(status):
      status = os.WEXITSTATUS(status)
      #log('exit status: %s', status)

    # This could happen via coding error.  But this may legitimately happen
    # if a grandchild outlives the child (its parent).  Then it is reparented
    # under this process, so we might receive notification of its exit, even
    # though we didn't start it.  We can't have any knowledge of such
    # processes, so print a warning.
    if pid not in self.callbacks:
      util.warn("PID %d stopped, but osh didn't start it", pid)
      return True  # caller should keep waiting

    callback = self.callbacks.pop(pid)
    callback(pid, status)
    self.last_status = status  # for wait -n

    return True  # caller should keep waiting 
Example 50
Project: oil   Author: oilshell   File: subprocess.py    (license) View Source Project 5 votes vote down vote up
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
                _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
                _WEXITSTATUS=os.WEXITSTATUS):
            # This method is called (indirectly) by __del__, so it cannot
            # refer to anything outside of its local scope.
            if _WIFSIGNALED(sts):
                self.returncode = -_WTERMSIG(sts)
            elif _WIFEXITED(sts):
                self.returncode = _WEXITSTATUS(sts)
            else:
                # Should never happen
                raise RuntimeError("Unknown child exit status!")