micropython-lib/fcntl/fcntl.py

38 wiersze
820 B
Python

import ffi
import os
import _libc
libc = _libc.get()
fcntl_l = libc.func("i", "fcntl", "iil")
fcntl_s = libc.func("i", "fcntl", "iip")
ioctl_l = libc.func("i", "ioctl", "iil")
ioctl_s = libc.func("i", "ioctl", "iip")
def fcntl(fd, op, arg=0):
if type(arg) is int:
r = fcntl_l(fd, op, arg)
os.check_error(r)
return r
else:
r = fcntl_s(fd, op, arg)
os.check_error(r)
# TODO: Not compliant. CPython says that arg should be immutable,
# and possibly mutated buffer is returned.
return r
def ioctl(fd, op, arg=0, mut=False):
if type(arg) is int:
r = ioctl_l(fd, op, arg)
os.check_error(r)
return r
else:
# TODO
assert mut
r = ioctl_s(fd, op, arg)
os.check_error(r)
return r