mmap.MAP_SHARED, mmap.PROT_READ)
f.close() # map will persist beyond file close
assert(str(self.map[0:8]) == '\377tOc\0\0\0\2')
mmap.MAP_SHARED, mmap.PROT_READ)
f.close() # map will persist beyond file close
assert(str(self.map[0:8]) == '\377tOc\0\0\0\2')