94 def _fastcopy_fcopyfile(fsrc, fdst, flags):  argument
99         infd = fsrc.fileno()
107         err.filename = fsrc.name
114 def _fastcopy_sendfile(fsrc, fdst):  argument
130         infd = fsrc.fileno()
155             err.filename = fsrc.name
178 def _copyfileobj_readinto(fsrc, fdst, length=COPY_BUFSIZE):  argument
184     fsrc_readinto = fsrc.readinto
197 def copyfileobj(fsrc, fdst, length=0):  argument
202     fsrc_read = fsrc.read
264         with open(src, 'rb') as fsrc, open(dst, 'wb') as fdst:
268                     _fastcopy_fcopyfile(fsrc, fdst, posix._COPYFILE_DATA)
275                     _fastcopy_sendfile(fsrc, fdst)
282                 _copyfileobj_readinto(fsrc, fdst, min(file_size, COPY_BUFSIZE))
285             copyfileobj(fsrc, fdst)