[gomd-devel] Re: <DAEMON>_ child-process TTL in execCommandAndGetChildOutput() function

[Matthias Rechenburg]

Ciao JP,

On Samstag 03 Januar 2004 23:20, Gian Paolo Ghilardi wrote:
> Hi all.
>
> First of all: HAPPY NEW YEAR!!! :)))

for you too !

>
> I've added a TTL for (invoked) commands that take a long time to complete
> (option => "exec [cmd/cwc] COMMAND LIST_OF_PARAMS"].
> Now if the invoked command takes a time >=PROCESS_TIME_TO_LIVE seconds
> (default=30), its process will be automagically killed (obviously its
> output, collected 'till that moment, will be returned to the client).

mhmmm, can i set the timeout to infinite ? ;)

>
> As you can see, the output of the (local or remote) command is "delayed",
> returned _after_ its process ends (so the command finished or it was killed
> because it takes too secs to complete).
>
> Does anybody prefer _real-time_ output for invoked commands?

... how much effort this will be ?
at least i would prefer real-time output which might be usefull for e.g. 
debugging processes started by the gomd exec.
(just my mind ;)

>
> CU.
>
> Byez.
>
> <rejected>

howdy,

Matt

>
>
> << CVS NOTES >>
>
> IN constants.h
> (+) added PROCESS_TIME_TO_LIVE constant (set to 30)
>
> IN utils.cpp
> (+) added child-process time-to-live handling in
> execCommandAndGetChildOutput() function: if you invoke a command that takes
> a long time (>= PROCESS_TIME_TO_LIVE seconds), the process will be
> automagically killed and its ouput returned to the client.
> (+) added sigAlarmHandler() function to handle SIGVTALRM signal (raised
> when the child-process TTL expires)
> (+) added lots of comments
> (+) some cleanups

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