[fpc-devel]promised tthread patch

[Marco van de Voort]

> > // pseudo code:
> > repeat
> > if fpread(...) = -1 then
> > not_signalled := errno = EINTR;
> > else
> > not_signalled := true;
> > until not_signalled;
> > 
> > and hope the loop doesn't get tight. but fpread should block in any case
> 
> It's the assumptio that fpread returns EINTR. That is a a linuxism I guess.
> 
> It returns ESysEAGAIN.  
> 
> I'm currently patching all these occurances when pipe related.   

Done, only two occurances that fix read(ln) and write(ln).

pthreads demo works now, the syncobjs demo still acts strange:

-bash-2.05b$ ./tevs
TEST OK
-bash-2.05b

(note that there is a significant pause between running and the "TEST OK"
msg)

This looks ok, but shouldn't it give more output?