I wrote a program run every 5 minutes from a bash script.
It run ok, but when I reboot it doesn't start giving :

-bash: ./nokia: Fichier texte occupé
( text file occupied )
??
I can't run it manually, same error.
to solve this I have to recompile no changes in source code ( C)
any idea ?
Many thanks

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On 05.07.22 09:52, zeneca wrote:

I wrote a program run every 5 minutes from a bash script.
It run ok, but when I reboot it doesn't start giving :

-bash: ./nokia: Fichier texte occupé
( text file occupied )
??
I can't run it manually, same error.
to solve this I have to recompile no changes in source code ( C)
any idea ?
Many thanks

If you can reproduce, run the program with "strace":
strace -fo nokia.out ./nokia
and then search the file "nokia.out" for "ETXTBSY".

The error itself means that the program tries to open some executable
file (or a shared object) for writing but that file is currently in use.

Josef

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On Tue, 5 Jul 2022 09:52:24 +0200, zeneca wrote:

I wrote a program run every 5 minutes from a bash script.
It run ok, but when I reboot it doesn't start giving :

-bash: ./nokia: Fichier texte occupé ( text file occupied )
??
I can't run it manually, same error.
to solve this I have to recompile no changes in source code ( C)
any idea ?

Are you sure your script or compiled program isn't attempting to overwrite
the compiled binary?

lsof may show you what's going on:

"lsof -- ./nokia | less" - piping lsof through less is a good idea because
lsof can produce a lot of output.


--

Martin | martin at
Gregorie | gregorie dot org

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On Tue, 5 Jul 2022 09:52:24 +0200, zeneca wrote:

I wrote a program run every 5 minutes from a bash script.
It run ok, but when I reboot it doesn't start giving :

-bash: ./nokia: Fichier texte occupé ( text file occupied )
??
I can't run it manually, same error.
to solve this I have to recompile no changes in source code ( C)
any idea ?
Many thanks

How is the wait handled? If you're running something like

stop = 0
while (stop)
do
nokia
sleep 5m
done

consider rewriting it as a cron script instead As an example, my internet connection is slow often enough that I check its speed every 10 minutes
with this cron script in /etc/cron.d


#
# Run at 15 minute intervals
# ==========================
# Results are sent to root
#
MAILTO=root

2,17,32,47 0-23 * * * root /usr/local/bin/adslchk -b 2>&1 >>/var/log/
adslchk


This cron script runs the "/usr/local/bin/adslchk -b 2>&1 >>/var/log/
adslchk" command at 2,17,32,47 minutes after each hour and writes the
script output to /var/log/adslchk.

The advantages of this approach are that:
- the process is automatically started when the computer is rebooted
- the adslchk script only runs for a few seconds each time its started



--

Martin | martin at
Gregorie | gregorie dot org

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