open() not handling previously opened serial port gracefully?

Hi, I recently ran into a problem where my cygwin-based program was trying to open a serial port that was already opened by another windows app. Instead of the open() call failing & returning -1, the cygwin program dumped stack (tracing w/ gdb indicated that the failure was within the open()

Re: Bug in stty or /dev/ttySx handling code

Hi Peter, That was my patch applied back in 02/01/2003 and upon re-examining it, I believe this is an error. The intended behavior was as follows: 1) When a baud rate of B0 is passed to tcsetattr(), it should not change the actual baud rate, but instead drop DTR. 2) In tcgetattr(), the prese