def _setblocking(self, block):
delay_flag = intmask(_c.fcntl(self.fd, _c.F_GETFL, 0))
if block:
delay_flag &= ~_c.O_NONBLOCK
else:
delay_flag |= _c.O_NONBLOCK
_c.fcntl(self.fd, _c.F_SETFL, delay_flag)
def _setblocking(self, block):
orig_delay_flag = intmask(_c.fcntl(self.fd, _c.F_GETFL, 0))
if block:
delay_flag = orig_delay_flag & ~_c.O_NONBLOCK
else:
delay_flag = orig_delay_flag | _c.O_NONBLOCK
if orig_delay_flag != delay_flag:
_c.fcntl(self.fd, _c.F_SETFL, delay_flag)
def _setblocking(self, block):
orig_delay_flag = intmask(_c.fcntl(self.fd, _c.F_GETFL, 0))
if block:
delay_flag = orig_delay_flag & ~_c.O_NONBLOCK
else:
delay_flag = orig_delay_flag | _c.O_NONBLOCK
if orig_delay_flag != delay_flag:
_c.fcntl(self.fd, _c.F_SETFL, delay_flag)
def _check_fd_mode(fd, reading, writing):
flags = intmask(_c.fcntl(fd, _c.F_GETFL, 0))
if flags & _c.O_RDWR:
return
elif flags & _c.O_WRONLY:
if not reading:
return
else: # O_RDONLY
if not writing:
return
raise OSError(22, "Invalid argument")
def _check_fd_mode(fd, reading, writing):
flags = intmask(_c.fcntl(fd, _c.F_GETFL, 0))
if flags & _c.O_RDWR:
return
elif flags & _c.O_WRONLY:
if not reading:
return
else: # O_RDONLY
if not writing:
return
raise OSError(22, "Invalid argument")
