diff options
Diffstat (limited to 'serial/serialposix.py')
| -rw-r--r-- | serial/serialposix.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/serial/serialposix.py b/serial/serialposix.py index cff4db1..28164d8 100644 --- a/serial/serialposix.py +++ b/serial/serialposix.py @@ -271,6 +271,8 @@ class Serial(SerialBase, PlatformSpecific): self.reset_input_buffer() self.pipe_abort_read_r, self.pipe_abort_read_w = os.pipe() self.pipe_abort_write_r, self.pipe_abort_write_w = os.pipe() + fcntl.fcntl(self.pipe_abort_read_r, fcntl.F_SETFL, os.O_NONBLOCK) + fcntl.fcntl(self.pipe_abort_write_r, fcntl.F_SETFL, os.O_NONBLOCK) def _reconfigure_port(self, force_update=False): """Set communication parameters on opened port.""" @@ -445,7 +447,7 @@ class Serial(SerialBase, PlatformSpecific): start_time = time.time() ready, _, _ = select.select([self.fd, self.pipe_abort_read_r], [], [], timeout) if self.pipe_abort_read_r in ready: - os.read(self.pipe_abort_read_r, 1) + os.read(self.pipe_abort_read_r, 1000) break # If select was used with a timeout, and the timeout occurs, it # returns with empty lists -> thus abort read operation. @@ -511,7 +513,7 @@ class Serial(SerialBase, PlatformSpecific): raise writeTimeoutError abort, ready, _ = select.select([self.pipe_abort_write_r], [self.fd], [], timeleft) if abort: - os.read(self.pipe_abort_write_r, 1) + os.read(self.pipe_abort_write_r, 1000) break if not ready: raise writeTimeoutError |