[fpc-devel] serial under linux, SerOpen blocks

Marco van de Voort marcov at stack.nl
Thu Aug 18 15:24:21 CEST 2011

In our previous episode, Henry Vermaak said:
> On 18/08/11 14:11, Mark Morgan Lloyd wrote:
> > But why have I not seen this problem on Debian despite having used this
> > unit extensively? And why have I not seen it when testing the modified
> > unit on Solaris with the SerOpen() function being unchanged?
> Some serial ports seem to have clocal unset, for some reason, which 
> causes it to block on open (waiting for the modem status lines).  Like 
> you, I've never seen it with any of my serial ports, either.

Might have to do with the defaulting to autobaud of some usbserial chips.

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