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comparison upreckon/win32.py @ 148:aa343ff41c27

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Attempted to work around unwarranted ERROR_ACCESS_DENIED on Win32
author Oleg Oshmyan <chortos@inbox.lv>
date Thu, 02 Jun 2011 13:05:29 +0100
parents d5b6708c1955
children f8041e1e4d0d
comparison
equal deleted inserted replaced
147:37955420fd66 148:aa343ff41c27
149 INVALID_HANDLE_VALUE = HANDLE(-1).value 149 INVALID_HANDLE_VALUE = HANDLE(-1).value
150 LPDWORD = POINTER(DWORD) 150 LPDWORD = POINTER(DWORD)
151 LPFILETIME = POINTER(FILETIME) 151 LPFILETIME = POINTER(FILETIME)
152 SIZE_T = ULONG_PTR = WPARAM 152 SIZE_T = ULONG_PTR = WPARAM
153 ULONGLONG = c_ulonglong 153 ULONGLONG = c_ulonglong
154 ERROR_ACCESS_DENIED = 5
154 155
155 try: 156 try:
156 unicode 157 unicode
157 except NameError: 158 except NameError:
158 LPCTSTR = LPCWSTR 159 LPCTSTR = LPCWSTR
473 SetInformationJobObject(job, JobObjectExtendedLimitInformation, limits) 474 SetInformationJobObject(job, JobObjectExtendedLimitInformation, limits)
474 try: 475 try:
475 case.process = Popen(*args, **kwargs) 476 case.process = Popen(*args, **kwargs)
476 except OSError: 477 except OSError:
477 raise CannotStartTestee(sys.exc_info()[1]) 478 raise CannotStartTestee(sys.exc_info()[1])
478 case.time_started = clock() 479 case.time_started = clock()
479 AssignProcessToJobObject(job, case.process._handle) 480 # FIXME: how about checking for Escape hits?
481 while True:
482 try:
483 AssignProcessToJobObject(job, case.process._handle)
484 except WindowsError:
485 if sys.exc_info()[1].winerror == ERROR_ACCESS_DENIED:
486 time.sleep(0)
487 else:
488 break
480 if not console_input: 489 if not console_input:
481 if case.maxwalltime: 490 if case.maxwalltime:
482 if (WaitForSingleObject(case.process._handle, case.maxwalltime) != 491 if (WaitForSingleObject(case.process._handle, case.maxwalltime) !=
483 WAIT_OBJECT_0): 492 WAIT_OBJECT_0):
484 raise WallTimeLimitExceeded 493 raise WallTimeLimitExceeded
542 if counters.PeakPagefileUsage > case.maxmemory * 1048576: 551 if counters.PeakPagefileUsage > case.maxmemory * 1048576:
543 raise MemoryLimitExceeded 552 raise MemoryLimitExceeded
544 553
545 554
546 def kill(process): 555 def kill(process):
547 # Give up after three attempts 556 while True:
548 for i in range(3):
549 try: 557 try:
550 try: 558 try:
551 process.terminate() 559 process.terminate()
552 except AttributeError: 560 except AttributeError:
553 TerminateProcess(process._handle, 1) 561 TerminateProcess(process._handle, 1)
554 except WindowsError: 562 except WindowsError:
555 time.sleep(0) 563 if sys.exc_info()[1].winerror == ERROR_ACCESS_DENIED:
564 time.sleep(0)
556 else: 565 else:
557 break 566 break