RE: tcflush hang problem

I am pretty certain the the problem which is discussed in this thread has already been reported in http://sources.redhat.com/ml/cygwin/2003-03/msg01529.html There is obviously an input buffer, which overflows if you keep an open filedesc. on a serial port and let some external system generate in

Re: tcflush hang problem

Thank for answer. I replace tcflush(fd,TCIFLUSH) by do { err = read(fd,iobuffer,1000) } while(err>0) and it work OK on Win98. I still have problem on Windows2000Sp2. It seem that it hangs in functions: tcsetattr(fd,TCSANOW,&newtio); read(fd,iobuffer,1000); write(fd,iobuffer,10); Strange thin

Re: tcflush hang problem

Sorry, my fingers aren't working. I keep accidentally replying to the sender rather than/in addition to the list. Cygwin's current tcflush implimentation is rather crude. Although, it may not be possible to do any better. PTC. if (queue == TCIFLUSH || queue == TCIOFLUSH) /* Input flushin