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Notification from Background jobs

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# 15  
Old 06-19-2007
Okay,

But here i wont be able to know when TaskA has completed.

Wait will be over when all tasks are complete.

The only option i can think of is to run an infinite loop and check each process termination in that, but that will be CPU consuming as my processes will run for many hours.

Appreciate your help. Smilie
# 16  
Old 06-19-2007
Quote:
Originally Posted by vibhor_agarwali
But here i wont be able to know when TaskA has completed.
Eh? Yes you will, here at point XXX you know exactly when it has finished.

Code:
taskA()
{
    echo taskA

    run_some_long_running_task

    XXX

    echo taskA done
}

If you need to do something in the parent process then use kill to send your parent a signal, and in your parent trap it.

Code:
taskAfinished()
{
   echo "wow!"
}

trap taskAfinished 16

mainPid=$$

taskA()
{
     runA
     kill -16 $mainPid 
}

taskA &
wait

# 17  
Old 06-20-2007
Hmmm,

This seems to be a good idea.

I never wondered i can call a function in the background.

Now i can call many functions simultaneously.

Thanks
# 18  
Old 06-20-2007
Oops,

You did run functions in background in your earlier post.

Sorry for not noticing that. Smilie
# 19  
Old 06-20-2007
Quote:
Originally Posted by vibhor_agarwali
Thanks
Glad to be of help.
# 20  
Old 06-20-2007
All the best for future also. Smilie
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