Function thread_attach

sql/threadpool_common.cc:194–210

Attach/associate the connection with the OS thread, */

  Attach/associate the connection with the OS thread,
*/
static void thread_attach(THD* thd)
{
#ifdef WITH_WSREP
  /* Wait until possible background rollback has finished before
     attaching the thd. */
  wsrep_wait_rollback_complete_and_acquire_ownership(thd);
#endif /* WITH_WSREP */
  set_mysys_var(thd->mysys_var);
  const OS_thread_info *tinfo= get_os_thread_info();

  set_current_thd(thd);
  thd->thread_stack= tinfo->stack_start;
  thd->mysys_var->stack_ends_here= tinfo->stack_end;
  thd->real_id= tinfo->self;
  thd->os_thread_id= tinfo->thread_id;
  PSI_CALL_set_thread(thd->get_psi());
}

/*
  Determine connection priority , using current