def fileno(self):
        return -1
L{getProgramFilesPath} returns the "program files" path on win32.
dataset/ETHPy150Open twisted/twisted/twisted/logger/_io.py/LoggingFile.fileno--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/python/test/test_win32.py/ProgramPathsTests.test_getProgramFilesPath