Rare project developers

[mc36 <>]

hi,

On 4/6/22 16:17, Alexander Gall wrote:
> Hi
>
> On Wed, 6 Apr 2022 15:54:04 +0200, mc36 <> said:
>
> > On 4/6/22 15:47, Alexander Gall wrote:
> > > Hi
> > >
> > > On Wed, 6 Apr 2022 14:37:06 +0200, mc36 <> said:
> > >
> > > > hi,
> > > > On 4/6/22 11:42, Alexander Gall wrote:
> > >
> > > > > Thanks, but one more thing to fix: ptyRun.bin does not return the exit
> > > > > status of the process it's forking (it should also return a status >0
> > > > > if the execvp() call fails).  Can you please add that? I have to use
> > > > > the pty wrapper because I'm adding a Y/N query to the tna-set-profile
> > > > > and tna-switch-to-generation scripts to have the user confirm the
> > > > > action.
> > >
> > > > with this change:
> > > > https://github.com/mc36/freeRouter/commit/106dc976b7604c1a45fb62dd3c0691da74e93f38
> > >
> > > Thanks. Why do we need the sleep(10)? It's pretty inconvenient.
> > so the idea here is that i did not wanted to keep track of the threads,
> > whereas ensuring a single exit point from the code... the ending of the
> > c code there only relays the stdio of the new process, and to be pretty
> > sure that the code exits at the first appearance of return status; that's
> > why i put it there... (an other option would be to use barriers, i know:))
>
> Maybe I'm missing something, but why don't you simply perform the
> wait() after exiting the loop? Then there would be no need to sleep
> and no need for the additional fork, I think.

so at that point, i exited the loop because select returned with hup,
i have good chances that the child already terminated so i cannot catch
the exit code.... that's why the new thread... regarding the sleep(10)
at the end, it's just a safety and but probably 10 is a bit overkill...
lemme reduce that to 1 too.... :)



> > > There is another weird effect. When I use this method with my actual
> > > script, I keep getting
> > >
> > > % unknown exec command entered
> > >
> > > I'm not sure yet what triggers this. It somehow seems related to using
> > > "read" to get input from the user, not sure if that makes any sense. I
> > > need to debug this further.
>
> > i know this by hart, it comes from freerouter, and especially when it
> > tries to run the command in the exec mode interpreter... could you
> > please show me the alias you're trying to execute?
>
> alias exec tna-set-profile command attach shell1 
> <path-to-freertr-native>/bin/ptyRun.bin <path-to-script>/bin/set-profile 
> /etc/freertr/p4-profile
sid#show config-differences
2022-04-06 16:30:54.815
alias exec tna-set-profile command attach shell1 /rtr//ptyRun.bin echo 
/bin/set-profile /etc/freertr/p4-profile

sid#tna-set-profile asdf
2022-04-06 16:31:09.888
child 3332088 created on 3
child started
/bin/set-profile /etc/freertr/p4-profile asdf

child closed stdio lines

child exited with 0 code
sid#


what about a live debugging session on this? letsmeet.hu/alex

br,
cs