why coffee signal_abort handler invokes after COFFEE_END() ?

[alexrayne]

work linux 18.04 i386
i got regular crash SIGSEGV that come to coffeee_signal_abort handler after coffee_end()

why this handlers may invokes after them are released?

trace log shows like:

mote7 enter
dump:initialised=0; 
setup for a new handler
installing global signal handlers
installed global signal handlers
installing thread alternative stack
installing thread alternative
installed thread alternative
dump:initialised=1;  reenter=1; ctx=1 
removing thread alternative stack
removed thread alternative stack
removing global signal handlers
removed global signal handlers              <<- this is coffeecatch_handler_cleanup() reports after pthread_key_delete(native_code_thread)
mote7 done                                             <<-- this is application prints after coffee_end()
caught abort sig11
calling old signal handler