Re: 2.9.11?

[John W. Eaton]

On 19-Apr-2007, Daniel J Sebald wrote:

| > Does it help to move the fclear before the call to sleep?
| 
| No, that didn't seem to change anything.  It probably doesn't matter if the 
| fclear() is before or after the sleep().
| 
| I think I've narrowed this down.  I added a few lines of code to print out 
| whenever an error == EAGAIN occurs.  After about the seventh "make check", I 
got 
| a string of numbers up to 99 at which point the test assumed failure and 
moved 
| on.  (I.e., if it doesn't happen in ten seconds, then fail.)
| 
| I looked at the associated processes and found:
| 
|   5313 pts/2    00:03:08 octave
|   5508 pts/2    00:00:00 sort <defunct>
| 
| So, for some reason that sort process is suspending.  Not sure why such a 
simple 
| routine would fail.  Some confusion in the piping and in/out streams?  Maybe 
the 
| coordination of fclose(in) and fgets(out) is off.  I.e., the input stream 
needs 
| to finish closing before the output stream is ready, if not maybe sort says 
"hey"?

I don't know what to suggest.  It seems to work reliably for me.  I'd
consider a patch.

jwe