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| import ctypes |
| from ctypes.wintypes import BOOL, DWORD, HANDLE, LARGE_INTEGER, LPCSTR, UINT |
|
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| from debugpy.common import log |
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|
|
| JOBOBJECTCLASS = ctypes.c_int |
| LPDWORD = ctypes.POINTER(DWORD) |
| LPVOID = ctypes.c_void_p |
| SIZE_T = ctypes.c_size_t |
| ULONGLONG = ctypes.c_ulonglong |
|
|
|
|
| class IO_COUNTERS(ctypes.Structure): |
| _fields_ = [ |
| ("ReadOperationCount", ULONGLONG), |
| ("WriteOperationCount", ULONGLONG), |
| ("OtherOperationCount", ULONGLONG), |
| ("ReadTransferCount", ULONGLONG), |
| ("WriteTransferCount", ULONGLONG), |
| ("OtherTransferCount", ULONGLONG), |
| ] |
|
|
|
|
| class JOBOBJECT_BASIC_LIMIT_INFORMATION(ctypes.Structure): |
| _fields_ = [ |
| ("PerProcessUserTimeLimit", LARGE_INTEGER), |
| ("PerJobUserTimeLimit", LARGE_INTEGER), |
| ("LimitFlags", DWORD), |
| ("MinimumWorkingSetSize", SIZE_T), |
| ("MaximumWorkingSetSize", SIZE_T), |
| ("ActiveProcessLimit", DWORD), |
| ("Affinity", SIZE_T), |
| ("PriorityClass", DWORD), |
| ("SchedulingClass", DWORD), |
| ] |
|
|
|
|
| class JOBOBJECT_EXTENDED_LIMIT_INFORMATION(ctypes.Structure): |
| _fields_ = [ |
| ("BasicLimitInformation", JOBOBJECT_BASIC_LIMIT_INFORMATION), |
| ("IoInfo", IO_COUNTERS), |
| ("ProcessMemoryLimit", SIZE_T), |
| ("JobMemoryLimit", SIZE_T), |
| ("PeakProcessMemoryUsed", SIZE_T), |
| ("PeakJobMemoryUsed", SIZE_T), |
| ] |
|
|
|
|
| JobObjectExtendedLimitInformation = JOBOBJECTCLASS(9) |
|
|
| JOB_OBJECT_LIMIT_BREAKAWAY_OK = 0x00000800 |
| JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE = 0x00002000 |
|
|
| PROCESS_TERMINATE = 0x0001 |
| PROCESS_SET_QUOTA = 0x0100 |
|
|
|
|
| def _errcheck(is_error_result=(lambda result: not result)): |
| def impl(result, func, args): |
| if is_error_result(result): |
| log.debug("{0} returned {1}", func.__name__, result) |
| raise ctypes.WinError() |
| else: |
| return result |
|
|
| return impl |
|
|
|
|
| kernel32 = ctypes.windll.kernel32 |
|
|
| kernel32.AssignProcessToJobObject.errcheck = _errcheck() |
| kernel32.AssignProcessToJobObject.restype = BOOL |
| kernel32.AssignProcessToJobObject.argtypes = (HANDLE, HANDLE) |
|
|
| kernel32.CreateJobObjectA.errcheck = _errcheck(lambda result: result == 0) |
| kernel32.CreateJobObjectA.restype = HANDLE |
| kernel32.CreateJobObjectA.argtypes = (LPVOID, LPCSTR) |
|
|
| kernel32.OpenProcess.errcheck = _errcheck(lambda result: result == 0) |
| kernel32.OpenProcess.restype = HANDLE |
| kernel32.OpenProcess.argtypes = (DWORD, BOOL, DWORD) |
|
|
| kernel32.QueryInformationJobObject.errcheck = _errcheck() |
| kernel32.QueryInformationJobObject.restype = BOOL |
| kernel32.QueryInformationJobObject.argtypes = ( |
| HANDLE, |
| JOBOBJECTCLASS, |
| LPVOID, |
| DWORD, |
| LPDWORD, |
| ) |
|
|
| kernel32.SetInformationJobObject.errcheck = _errcheck() |
| kernel32.SetInformationJobObject.restype = BOOL |
| kernel32.SetInformationJobObject.argtypes = (HANDLE, JOBOBJECTCLASS, LPVOID, DWORD) |
|
|
| kernel32.TerminateJobObject.errcheck = _errcheck() |
| kernel32.TerminateJobObject.restype = BOOL |
| kernel32.TerminateJobObject.argtypes = (HANDLE, UINT) |
|
|