Function kill

pex/os.py:185–225

(pid)

    _TP = None  # type: Any

    def kill(pid):
        # type: (int) -> None

        import ctypes
        from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT

        global _OP
        if _OP is None:
            # https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-openprocess
            op = ctypes.windll.kernel32.OpenProcess  # type: ignore[attr-defined]
            op.argtypes = (
                DWORD,  # dwDesiredAccess
                BOOL,  # bInheritHandle
                DWORD,  # dwProcessId
            )
            op.restype = HANDLE
            _OP = op

        phandle = _OP(_PROCESS_TERMINATE, False, pid)
        if not phandle:
            # TODO(John Sirois): Review literature / experiment and don't raise if this just means
            #  the process is already dead.
            #  See: https://github.com/pex-tool/pex/issues/2670
            raise ctypes.WinError()  # type: ignore[attr-defined]

        global _TP
        if _TP is None:
            # https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-terminateprocess
            tp = ctypes.windll.kernel32.OpenProcess  # type: ignore[attr-defined]
            tp.argtypes = (
                HANDLE,  # hProcess
                UINT,  # uExitCode
            )
            tp.restype = BOOL
            _TP = tp

        if not _TP(phandle, 1):
            # TODO(John Sirois): Review literature / experiment and don't raise if this just means
            #  the process is already dead (may need to consult GetLastError).
            #  See: https://github.com/pex-tool/pex/issues/2670
            raise ctypes.WinError()  # type: ignore[attr-defined]

else: