[EMAIL PROTECTED] wrote:
> hello group, > > how to get ttyS0 serial port for exclusive access? I have a python > script that uses this device with AT commands. I need that two > instances can call simultaneosuly this python script but only one of > them gets the device. I tried fcntl.flock, it was just ignored, put > writtable file LCK..ttyS0 in /var/lock, tried ioctl (but I may not > know what are appropriate arguments), googled half a day for various > phrases, error messages etc....without success. > > please help, > > Andra not sure if I understand you well, but how about a server application which accepts 2 clients which can send messages which are output on the serial device? The serial device access protected with a mutex while receiving messages done in 2 threads or something. taco -- http://mail.python.org/mailman/listinfo/python-list