[lug] Is there a way to get output once it's been redirected to /dev/null?

Zan Lynx zlynx at acm.org
Fri Jun 25 17:10:38 MDT 2010

On 6/25/10 5:07 PM, Jeffrey Haemer wrote:
> Jon & Jon/Zan,
> Nicely diagnosed.  It doesn't write for over a minute.  If I either
> throw in an fflush(stdout), or change it to fprintf(stderr, "hello,
> world\n")  [ stderr is unbuffered by default ], I see 'em all.
> My developer can't change the source of the running, misbehaving,
> program, but he can just be patient -- though not, it seems, by
> emulating me. :-)

Well, if you are using ptrace hacks to redirect the output anyway then 
you could use ptrace hacks to force a stderr flush whenever you wanted 
to see up-to-the-second data.

Zan Lynx
zlynx at acm.org

"Knowledge is Power.  Power Corrupts.  Study Hard.  Be Evil."

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