def run(self):
logger.info("Started App usage tracker thread")
file_loc = os.path.join(os.path.dirname(__file__), "apps-usage",
"apps-usage.exe")
try:
hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation,
extended_info)
p = subprocess.Popen(f"{file_loc} \"{ROOT_DIR}\"", shell=False)
perms = win32con.PROCESS_TERMINATE | win32con.PROCESS_SET_QUOTA
hProcess = win32api.OpenProcess(perms, False, p.pid)
win32job.AssignProcessToJobObject(hJob, hProcess)
while True and not self.kill:
time.sleep(0.5)
p.terminate()
p.kill()
except Exception as e:
logger.error(f"Error Starting Apps-Usage. {e} ")
logger.warning("Stopped app usage tracking thread")
def _start(self, argv):
"""In most cases, just call subprocess.Popen(). On windows,
add the started process to a new Job Object, so that any
child processes of this process can be killed with a single
call to TerminateJobObject (see self.stop()).
"""
proc = Popen(argv)
if os.sys.platform == "win32":
# Create a job object with the "kill on job close"
# flag; this is inherited by child processes (ie
# the mongod started on our behalf by buildlogger)
# and lets us terminate the whole tree of processes
# rather than orphaning the mongod.
import win32job
self.job_object = win32job.CreateJobObject(None, '')
job_info = win32job.QueryInformationJobObject(
self.job_object, win32job.JobObjectExtendedLimitInformation)
job_info['BasicLimitInformation'][
'LimitFlags'] |= win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
self.job_object, win32job.JobObjectExtendedLimitInformation,
job_info)
win32job.AssignProcessToJobObject(self.job_object, proc._handle)
return proc
def _add_to_job_object(self):
global _global_process_job_handle
if _global_process_job_handle is not None:
#This means that we are creating another process family - we'll all be in the same job
return
already_in_job = win32job.IsProcessInJob(win32api.GetCurrentProcess(), None)
#Create a new job and put us in it before we create any children
logger.debug("Creating job object and adding parent process to it")
security_attrs = win32security.SECURITY_ATTRIBUTES()
security_attrs.bInheritHandle = 0
_global_process_job_handle = win32job.CreateJobObject(security_attrs, self.get_job_object_name())
extended_info = win32job.QueryInformationJobObject(_global_process_job_handle, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation']['LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(_global_process_job_handle, win32job.JobObjectExtendedLimitInformation, extended_info)
try:
win32job.AssignProcessToJobObject(_global_process_job_handle, win32api.GetCurrentProcess())
except Exception as e:
winv = sys.getwindowsversion()
logger.error("Error raised during assignment of the current process to a new job object. " +\
"The process %s already in a job. " +\
"The windows version is %d.%d.\nError: %s",
"is" if already_in_job else "is not",
winv.major,
winv.minor,
_exception_str())
if already_in_job and not (winv.major >= 6 and winv.minor >= 2):
raise JobObjectAssignError("On Windows versions older than Windows 8 / Windows Server 2012, ProcessFamily relies on the parent process NOT being in a job already", e, already_in_job)
raise JobObjectAssignError("Error raised during assignment of the current process to a new job object.", e, already_in_job)
logger.debug("Added to job object")
def SvcDoRun(self):
if hasattr(sys, "frozen"):
this_dir = os.path.dirname(win32api.GetModuleFileName(None))
else:
this_dir = os.path.dirname(os.path.abspath(__file__))
# TODO: maybe it is better to run this in a job object too
with open(os.path.join(this_dir, 'npm.log'), 'w') as npm_log:
subprocess.check_call('npm install',
cwd=this_dir,
shell=True,
stdin=None,
stdout=npm_log,
stderr=subprocess.STDOUT)
security_attributes = win32security.SECURITY_ATTRIBUTES()
security_attributes.bInheritHandle = True
startup = win32process.STARTUPINFO()
startup.dwFlags |= win32process.STARTF_USESTDHANDLES
startup.hStdInput = None
startup.hStdOutput = win32file.CreateFile(
os.path.join(this_dir, "service_stderr.log"),
win32file.GENERIC_WRITE, win32file.FILE_SHARE_READ,
security_attributes, win32file.CREATE_ALWAYS, 0, None)
startup.hStdError = win32file.CreateFile(
os.path.join(this_dir, "service_stdout.log"),
win32file.GENERIC_WRITE, win32file.FILE_SHARE_READ,
security_attributes, win32file.CREATE_ALWAYS, 0, None)
(hProcess, hThread, processId, threadId) = win32process.CreateProcess(
None, r'"C:\Program Files\nodejs\node.exe" node_worker.js', None,
None, True, win32process.CREATE_SUSPENDED
| win32process.CREATE_BREAKAWAY_FROM_JOB, None, this_dir, startup)
assert not win32job.IsProcessInJob(hProcess, None)
self.hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(
self.hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE | win32job.JOB_OBJECT_LIMIT_BREAKAWAY_OK
win32job.SetInformationJobObject(
self.hJob, win32job.JobObjectExtendedLimitInformation,
extended_info)
win32job.AssignProcessToJobObject(self.hJob, hProcess)
win32process.ResumeThread(hThread)
win32api.CloseHandle(hThread)
signalled = win32event.WaitForMultipleObjects(
[self.hWaitStop, hProcess], False, win32event.INFINITE)
if signalled == win32event.WAIT_OBJECT_0 + 1 and win32process.GetExitCodeProcess(
hProcess) != 0:
servicemanager.LogErrorMsg(
self._svc_name_ + " process exited with non-zero status " +
str(win32process.GetExitCodeProcess(hProcess)))
win32api.CloseHandle(hProcess)
win32api.CloseHandle(self.hJob)
win32api.CloseHandle(self.hWaitStop)
win32api.CloseHandle(startup.hStdOutput)
win32api.CloseHandle(startup.hStdError)
def create_job(hProcess):
hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation']['LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(hJob, win32job.JobObjectExtendedLimitInformation, extended_info)
win32job.AssignProcessToJobObject(hJob, hProcess)
return hJob
def _create_job_object(self):
"""Create a new anonymous job object"""
hjob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(
hjob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
hjob, win32job.JobObjectExtendedLimitInformation, extended_info)
return hjob
def __init__(self, suffix):
self.hJob = win32job.CreateJobObject(None,
"SupervisorJob{}".format(suffix))
extended_info = win32job.QueryInformationJobObject(
self.hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
self.hJob, win32job.JobObjectExtendedLimitInformation,
extended_info)
def attach_queue_to_stdout(self):
start_ts = time.time()
while time.time() - start_ts < self.START_SECONDS_DEFAULT:
if self.is_suprocess_started:
hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation,
extended_info)
perms = win32con.PROCESS_TERMINATE | win32con.PROCESS_SET_QUOTA
hProcess = win32api.OpenProcess(perms, False, self._pipe.pid)
win32job.AssignProcessToJobObject(hJob, hProcess)
self.log.debug("attaching queue to stdout")
while True:
try:
if self._stopped:
break
if self._start_failed:
break
gc.disable()
nextline = self._pipe.stdout.readline()
if nextline == '': # and self._pipe.poll() is not None:
time.sleep(0.05)
continue
self.log.debug("got from stdout: %s" %
nextline.strip())
try:
self._stdout_queue.put(nextline.strip())
except Exception as e:
self.log.exception(
"could not put result to stdout queue, reason: %s"
% e.message)
gc.enable()
except AttributeError:
self.log.exception("stdout queue broken")
break
finally:
gc.enable()
#if self._pipe:
# self._pipe.stdout.close()
else:
if not self._stopped:
self.log.warning(
"pipe is None; can't attach queue to stdout")
time.sleep(0.2)
def _createParentJob(self):
# Create a new job that this process will be assigned to.
job_name = '' # must be anonymous otherwise we'd get conflicts
security_attrs = win32security.SECURITY_ATTRIBUTES()
security_attrs.bInheritHandle = 1
job = win32job.CreateJobObject(security_attrs, job_name)
extended_limits = win32job.QueryInformationJobObject(
job, win32job.JobObjectExtendedLimitInformation)
extended_limits['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
job, win32job.JobObjectExtendedLimitInformation, extended_limits)
return job
def start(self):
argv, env = [self.executable] + self.arguments, self.env
if self.env_vars:
if not env:
env = os.environ.copy()
env.update(self.env_vars)
creation_flags = 0
if os.sys.platform == "win32":
# Magic number needed to allow job reassignment in Windows 7
# see: MSDN - Process Creation Flags - ms684863
CREATE_BREAKAWAY_FROM_JOB = 0x01000000
creation_flags = CREATE_BREAKAWAY_FROM_JOB
stdout = sys.stdout if not self.logger else subprocess.PIPE
stderr = sys.stderr if not self.logger else subprocess.PIPE
self.subprocess = subprocess.Popen(argv, env=env, creationflags=creation_flags,
stdout=stdout, stderr=stderr)
if stdout == subprocess.PIPE:
self.stdout_logger = LoggerPipe(self.logger, logging.INFO, self.subprocess.stdout)
self.stdout_logger.wait_until_started()
if stderr == subprocess.PIPE:
self.stderr_logger = LoggerPipe(self.logger, logging.ERROR, self.subprocess.stderr)
self.stderr_logger.wait_until_started()
if os.sys.platform == "win32":
# Create a job object with the "kill on job close" flag
# This is inherited by child processes (i.e. the mongod started on our behalf by
# buildlogger) and lets us terminate the whole tree of processes rather than
# orphaning the mongod.
import win32job
job_object = win32job.CreateJobObject(None, '')
job_info = win32job.QueryInformationJobObject(
job_object,
win32job.JobObjectExtendedLimitInformation)
job_info['BasicLimitInformation']['LimitFlags'] |= \
win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(job_object,
win32job.JobObjectExtendedLimitInformation,
job_info)
win32job.AssignProcessToJobObject(job_object, proc._handle)
self.subprocess_job_object = job_object
def create_job(job_name='', breakaway='silent'):
hjob = win32job.CreateJobObject(None, job_name)
if breakaway:
info = win32job.QueryInformationJobObject(
hjob, win32job.JobObjectExtendedLimitInformation)
if breakaway == 'silent':
info['BasicLimitInformation']['LimitFlags'] |= (
win32job.JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK)
else:
info['BasicLimitInformation']['LimitFlags'] |= (
win32job.JOB_OBJECT_LIMIT_BREAKAWAY_OK)
win32job.SetInformationJobObject(
hjob, win32job.JobObjectExtendedLimitInformation, info)
return hjob
def _init_job_object():
job_object = win32job.CreateJobObject(None, "")
# Get the limit and job state information of the newly-created job object.
job_info = win32job.QueryInformationJobObject(
job_object, win32job.JobObjectExtendedLimitInformation)
# Set up the job object so that closing the last handle to the job object
# will terminate all associated processes and destroy the job object itself.
job_info["BasicLimitInformation"]["LimitFlags"] |= \
win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
# Update the limits of the job object.
win32job.SetInformationJobObject(
job_object, win32job.JobObjectExtendedLimitInformation, job_info)
return job_object
def job(self) -> WIN32JOB:
"""Get the job associated with this process.
Caches between calls for safety.
Returns
-------
WIN32JOB
A Windows job which consists of one or more processes. In this case
we just have the one process
"""
if not hasattr(self, "_job"):
# First try to import stuff, an easy exception to catch and give good
# information about
try:
import win32api
import win32job
import winerror
except ModuleNotFoundError as e:
raise ModuleNotFoundError(_win32_import_error_msg) from e
# Here, we assign it to a windows "Job", whatever that is
# If the process is already assigned to a job, then we have
# to check if it's less than Windows 8 because apparently
# nested jobs aren't supported there
try:
job = win32job.CreateJobObject(None, "")
process = win32api.GetCurrentProcess()
win32job.AssignProcessToJobObject(job, process)
self._job = job
except win32job.error as e:
if (e.winerror != winerror.ERROR_ACCESS_DENIED
or sys.getwindowsversion() >= (6, 2) # type: ignore
or not win32job.IsProcessInJob(process, None)):
raise e
msg = ("The process is already in a job."
" Nested jobs are not supported prior to Windows 8.")
raise RuntimeError(msg) from e
return self._job
def start(self):
if self._state != 'stopped':
return
LOG.debug('Starting Executor')
self._state = 'starting'
self._push_server = PushServer(self._push_queue,
self._push_server_address,
self._ipc_authkey,
self._callback_launcher)
self._pull_server = PullServer(self._pull_server_address,
self._ipc_authkey,
self._callback_launcher)
self._push_server.start()
self._pull_server.start()
if sys.platform == 'win32':
self._job_obj = win32job.CreateJobObject(None, 'Bollard')
ex_info = win32job.QueryInformationJobObject(self._job_obj,
win32job.JobObjectExtendedLimitInformation)
ex_info['BasicLimitInformation']['LimitFlags'] = \
win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(self._job_obj,
win32job.JobObjectExtendedLimitInformation,
ex_info)
self._validate_running_tasks()
for task in Task.load_tasks(state='pending'):
self._push_queue.put(task)
# wait for push and pull server before start workers
while not self._push_server.is_alive() or not self._pull_server.is_alive():
time.sleep(0.1)
self._poll_thread = threading.Thread(target=self._poll)
self._poll_thread.daemon = True
self._poll_thread.start()
__node__['periodical_executor'].add_task(tasks_cleanup, 3600, title='Bollard cleanup')
self._state = 'started'
LOG.debug('Executor started')
def create_job(hProcess):
'''
create_job(hProcess) creates win32job with correct flags:
Note on JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms684161(v=vs.85).aspx
However, if the job has the
JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE flag specified,
closing the last job object handle terminates all
associated processes and then destroys the job
object itself.
'''
hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation, extended_info)
win32job.AssignProcessToJobObject(hJob, hProcess)
return hJob
def __register_job_object(self):
if self.is_windows8_or_above_flag or not self.is_cloud_mode_flag:
self.child = None
self.hJob = None
self.hProcess = None
self.hJob = win32job.CreateJobObject(None, self.win32_job_name)
extended_info = win32job.QueryInformationJobObject(
self.hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
self.hJob, win32job.JobObjectExtendedLimitInformation,
extended_info)
# Convert process id to process handle:
perms = win32con.PROCESS_TERMINATE | win32con.PROCESS_SET_QUOTA
self.hProcess = win32api.OpenProcess(perms, False, self.__p.pid)
try:
win32job.AssignProcessToJobObject(self.hJob, self.hProcess)
self.__user_job_object_flag = True
except Exception as e:
self.__user_job_object_flag = False
else:
self.__user_job_object_flag = False
def _start(self, argv):
"""In most cases, just call subprocess.Popen(). On windows,
add the started process to a new Job Object, so that any
child processes of this process can be killed with a single
call to TerminateJobObject (see self.stop()).
"""
if valgrind:
argv = [
'buildscripts/valgrind.bash', '--show-reachable=yes',
'--leak-check=full', '--suppressions=valgrind.suppressions'
] + argv
elif drd:
argv = ['buildscripts/valgrind.bash', '--tool=drd'] + argv
proc = Popen(argv, stdout=self.outfile)
if os.sys.platform == "win32":
# Create a job object with the "kill on job close"
# flag; this is inherited by child processes (ie
# the mongod started on our behalf by buildlogger)
# and lets us terminate the whole tree of processes
# rather than orphaning the mongod.
import win32job
self.job_object = win32job.CreateJobObject(None, '')
job_info = win32job.QueryInformationJobObject(
self.job_object, win32job.JobObjectExtendedLimitInformation)
job_info['BasicLimitInformation'][
'LimitFlags'] |= win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
self.job_object, win32job.JobObjectExtendedLimitInformation,
job_info)
win32job.AssignProcessToJobObject(self.job_object, proc._handle)
return proc
def SvcDoRun(self):
import servicemanager
servicemanager.LogInfoMsg(self._svc_name_ + " Start Requested")
try:
hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation']['LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(hJob, win32job.JobObjectExtendedLimitInformation, extended_info)
command = "resilient-circuits.exe run " + self._resilient_args_
command_args = shlex.split(command)
self.process_handle = subprocess.Popen(command_args)
# Convert process id to process handle:
perms = win32con.PROCESS_TERMINATE | win32con.PROCESS_SET_QUOTA
hProcess = win32api.OpenProcess(perms, False, self.process_handle.pid)
win32job.AssignProcessToJobObject(hJob, hProcess)
except:
servicemanager.LogErrorMsg(self._svc_name_ + " failed to launch resilient-circuits.exe")
raise
servicemanager.LogInfoMsg(self._svc_name_ + " Started")
while self.isAlive:
if self.process_handle.poll() != None:
self.SvcStop()
win32api.SleepEx(10000, True)
def _get_null_value_for_win32():
# https://stackoverflow.com/questions/46800142/in-python-with-pywin32-win32job-the-createjobobject-function-how-do-i-pass-nu # noqa: E501
return win32job.CreateJobObject(None, "")
provider = CondaKernelProvider()
old_print = print
def print(x):
old_print('\n'.join(json.dumps(y)[1:-1] for y in x.splitlines()))
sys.stdout.flush()
if is_win:
# Create a job object and assign ourselves to it, so that
# all remaining test subprocesses get killed off on completion.
# This prevents AppVeyor from waiting an hour
# https://stackoverflow.com/a/23587108 (and its first comment)
import win32api, win32con, win32job # noqa
hJob = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation']['LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(hJob, win32job.JobObjectExtendedLimitInformation, extended_info)
perms = win32con.PROCESS_TERMINATE | win32con.PROCESS_SET_QUOTA
hProcess = win32api.OpenProcess(perms, False, os.getpid())
win32job.AssignProcessToJobObject(hJob, hProcess)
def find_test_keys():
if os.environ.get('CONDA_BUILD'):
# The current version of conda build manually adds the activation
# directories to the PATH---and then calls the standard conda
# activation script, which does it again. This frustrates conda's
# ability to deactivate this environment. Most package builds are
# not affected by this, but we are, because our tests need to do
def __init__(self,
script: str = "",
ahk_path: Path = None,
execute_from: Path = None) -> None:
self.file = None
self.script = script
if ahk_path is None:
ahk_path = PACKAGE_PATH / r'lib\AutoHotkey\AutoHotkey.exe'
assert ahk_path and ahk_path.is_file()
# Windows notification area relies on consistent exe path
if execute_from is not None:
execute_from_dir = Path(execute_from)
assert execute_from_dir.is_dir()
ahk_into_folder = execute_from_dir / ahk_path.name
try:
if os.path.getmtime(ahk_into_folder) != os.path.getmtime(
ahk_path):
os.remove(ahk_into_folder)
except FileNotFoundError:
pass
try:
os.link(ahk_path, ahk_into_folder)
except FileExistsError:
pass
except OSError as ex:
# 5: "Access is denied"
# 17: "The system cannot move the file to a different disk drive"
if ex.winerror in (5, 17):
shutil.copyfile(ahk_path, ahk_into_folder)
ahk_path = ahk_into_folder
self.pid = os.getpid()
# if we exit, exit AutoHotkey
atexit.register(self.exit)
# if we terminate, terminate AutoHotkey
self.job = win32job.CreateJobObject(None, "")
extended_info = win32job.QueryInformationJobObject(
self.job, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
self.job, win32job.JobObjectExtendedLimitInformation,
extended_info)
# add ourselves and subprocess will inherit job membership
handle = win32api.OpenProcess(
win32con.PROCESS_TERMINATE | win32con.PROCESS_SET_QUOTA, False,
self.pid)
win32job.AssignProcessToJobObject(self.job, handle)
win32api.CloseHandle(handle)
# user script exceptions are already caught and sent to stderr, so /ErrorStdOut would only affect debugging CORE
# self.cmd = [str(ahk_path), "/ErrorStdOut=utf-16-raw", "/CP65001", "*"]
self.cmd = [str(ahk_path), "/CP65001", "*"]
# must pipe all three within a PyInstaller bundled exe
self.popen = subprocess.Popen(self.cmd,
bufsize=Script.BUFFER_SIZE,
executable=str(ahk_path),
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# keep grandchild processes from inheriting job membership
extended_info['BasicLimitInformation'][
'LimitFlags'] |= win32job.JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK
win32job.SetInformationJobObject(
self.job, win32job.JobObjectExtendedLimitInformation,
extended_info)
self.popen.stdin.write(Script.CORE.encode('utf-8'))
self.popen.stdin.write(self.script.encode('utf-8'))
self.popen.stdin.close()
self.hwnd = int(self._read_response(), 16)
assert self._read_response() == "Initialized"
securityAttributes.Length = sizeof(securityAttributes)
securityAttributes.SecDescriptior = None
securityAttributes.InheritHandle = True
hDesktop = windll.user32.CreateDesktopA(DESKTOP_NAME, None, None, 0,
GENERIC_ALL, securityAttributes)
if hDesktop == 0:
print 'CreateDesktop failed, err=%s' % windll.kernel32.GetLastError()
sys.exit(20)
#### Create a job
JOB_NAME = 'UniqueJob-%s' % os.getpid()
try:
hJob = win32job.CreateJobObject(None, JOB_NAME)
except pywintypes.error, e:
print 'CreateJobObject failed, err=%s' % e[0]
sys.exit(25)
#### Create the process
startupInfo = win32process.STARTUPINFO()
startupInfo.lpDesktop = DESKTOP_NAME
try:
processInfo = win32process.CreateProcess(None, childCmdLine, None, None,
True, win32con.CREATE_SUSPENDED,
None, None, startupInfo)
except pywintypes.error, e:
print 'CreateProcess failed, err=%s' % e[0]
def main():
# escape list of arguments
command = _win32_arglist_to_string(sys.argv[1:])
# create job
hJob = win32job.CreateJobObject(None, '')
extended_info = win32job.QueryInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation)
extended_info['BasicLimitInformation'][
'LimitFlags'] = win32job.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
win32job.SetInformationJobObject(
hJob, win32job.JobObjectExtendedLimitInformation, extended_info)
# associate job with completion port
hIoPort = win32file.CreateIoCompletionPort(win32file.INVALID_HANDLE_VALUE,
None, 0, 1)
# pywin32 is missing support for JOBOBJECT_ASSOCIATE_COMPLETION_PORT, therefore
# we call it through ctypes
port = JOBOBJECT_ASSOCIATE_COMPLETION_PORT()
port.CompletionKey = hJob.handle
port.CompletionPort = hIoPort.handle
assert bool(
ctypes.windll.kernel32.SetInformationJobObject(
ctypes.wintypes.HANDLE(hJob.handle),
ctypes.c_int(JobObjectAssociateCompletionPortInformation),
ctypes.byref(port),
ctypes.sizeof(JOBOBJECT_ASSOCIATE_COMPLETION_PORT)))
# create process suspended
si = win32process.STARTUPINFO()
hProcess, hThread, processId, threadId = win32process.CreateProcess(
None, command, None, None, True,
win32process.CREATE_BREAKAWAY_FROM_JOB | win32process.CREATE_SUSPENDED,
None, None, si)
# add process to job
win32job.AssignProcessToJobObject(hJob, hProcess)
# resume process
win32process.ResumeThread(hThread)
win32api.CloseHandle(hThread)
win32api.CloseHandle(hProcess)
# wait for job termination
numberOfBytes = ctypes.wintypes.DWORD(0)
completionKey = ctypes.wintypes.HANDLE(0)
overlapped = OVERLAPPED()
while True:
# calling this through pywin32 crashes the program, therefore we call it through ctypes
res = bool(
ctypes.windll.kernel32.GetQueuedCompletionStatus(
ctypes.wintypes.HANDLE(hIoPort.handle),
ctypes.byref(numberOfBytes), ctypes.byref(completionKey),
ctypes.byref(overlapped),
ctypes.wintypes.DWORD(win32event.INFINITE)))
if not res or (bytes(completionKey) == bytes(
ctypes.c_void_p(hJob.handle))
and bytes(numberOfBytes) == bytes(
ctypes.c_ulong(
win32job.JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO))):
break
def proc(args, time_limit, mem_size, time_elapsed, return_val, _stdin_name,
_stdout_name, _stderr_name):
"""测试的 runner 函数
Args:
args: 待测程序及其参数的列表
time_limit: float，秒为单位的运行时间限制
mem_size: int，byte 为单位的运行内存限制，零值为不限制
time_elapsed: double 类型的 multiprocessing 中的 shared_ctypes 对象
用以存储并返回实际运行时间
return_val: int 类型的 multiprocessing 中的 shared_ctypes 对象
用以存储并返回待测程序的返回值
_stdin_name, _stdout_name, _stderr_name: 为文件路径
分别为待测程序的标准输入、输出、错误输出的重定向目标
"""
if mem_size:
try:
if _mswindows:
import win32api
import win32job
job = win32job.CreateJobObject(None, "judge_mem_limiter")
win32job.SetInformationJobObject(
job, win32job.JobObjectExtendedLimitInformation, {
"BasicLimitInformation": {
"PerProcessUserTimeLimit": 0,
"PerJobUserTimeLimit": 0,
"LimitFlags":
win32job.JOB_OBJECT_LIMIT_PROCESS_MEMORY,
"MinimumWorkingSetSize": 0,
"MaximumWorkingSetSize": 0,
"ActiveProcessLimit": 0,
"Affinity": 0,
"PriorityClass": 0,
"SchedulingClass": 0
},
"IoInfo": {
"ReadOperationCount": 0,
"WriteOperationCount": 0,
"OtherOperationCount": 0,
"ReadTransferCount": 0,
"WriteTransferCount": 0,
"OtherTransferCount": 0,
},
"JobMemoryLimit": 0,
"PeakProcessMemoryUsed": 0,
"PeakJobMemoryUsed": 0,
"ProcessMemoryLimit": mem_size
})
win32job.AssignProcessToJobObject(job,
win32api.GetCurrentProcess())
else:
import resource
resource.setrlimit(resource.RLIMIT_DATA, (mem_size, mem_size))
except:
_logger.error("unable to set memory limit under win32: %s",
traceback.format_exc())
with open(_stdin_name, "rb") as stdin,\
open(_stdout_name, "wb") as stdout,\
open(_stderr_name, "wb") as stderr:
proc = subprocess.Popen(args,
stdin=stdin,
stdout=stdout,
stderr=stderr)
t_start = time.perf_counter()
try:
proc.wait(timeout=time_limit + 1.)
except subprocess.TimeoutExpired:
proc.kill()
proc.returncode = -1
t_end = time.perf_counter()
time_elapsed.value = t_end - t_start
return_val.value = proc.returncode
