bug#42538: 28.0.50; tramp-test35-remote-path test timing out on macOS

[Michael Albinus]

Philipp Stephani <p.stephani2@gmail.com> writes:

Hi Philipp,

>> HOME=/nonexistent EMACSLOADPATH= LC_ALL=C
>> EMACS_TEST_DIRECTORY=/Users/p/Entwicklung/Emacs/master/test
>> "../src/emacs" --module-assertions --no-init-file --no-site-file
>> --no-site-lisp -L ":."  \
>>   -l ert  -l lisp/net/tramp-tests.el \
>>   --batch --eval '(ert-run-tests-batch-and-exit (quote
>> tramp-test28-process-file))'
>> Running 1 tests (2020-07-31 16:09:42+0200, selector 
>> `tramp-test28-process-file')
>> Tramp: Sending command `exec sh -i'
>> Tramp: Found remote shell prompt on `p'
>> timeout: sending signal TERM to command ‘make’
>>
>> ^Ctimeout: sending signal INT to command ‘make’
>> ^\timeout: sending signal QUIT to command ‘make’
>>
>> make[1]: *** [lisp/net/tramp-tests.log] Killed: 9
>> make: *** [lisp/net/tramp-tests] Quit: 3
>
> Emacs here is stuck waiting for the process "bash -c 'kill -17 $$'" to
> terminate. However, signal 17 is SIGSTOP on macOS, so this process can
> never terminate. This might be caused by the code in
> `tramp-get-signal-strings' assuming that signal 19 is SIGSTOP.

Thanks for the analysis. However, I fail to see where Tramp fires the
command 'kill -17 $$'. There's only 'kill -2 $$'. Could you, please, show me?

Best regards, Michael.