File: xa_sync.test

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--source include/have_debug_sync.inc

--echo #
--echo # MDEV-7793 - Race condition between XA COMMIT/ROLLBACK and disconnect
--echo #
--echo # Note that this test is meaningful only with valgrind.
let $op= XA COMMIT 'xatest';
let $i= 2;
while ($i)
{
  connect con1, localhost, root;
  connect con2, localhost, root;

  connection con1;
  XA START 'xatest';
  XA END 'xatest';
  XA PREPARE 'xatest';

  connection con2;
  SET debug_sync='xa_after_search SIGNAL parked WAIT_FOR go';
  send_eval $op;

  connection default;
  SET debug_sync='now WAIT_FOR parked';
  disconnect con1;
  disable_query_log;
  echo # Waiting for thread to get deleted;
  while (`SELECT count(*)!=2 FROM INFORMATION_SCHEMA.PROCESSLIST`)
  {
    real_sleep 0.1;
  }
  enable_query_log;
  SET debug_sync='now SIGNAL go';

  connection con2;
  --error ER_XAER_NOTA
  reap;
  --echo *** Must have 'xatest' in the list
  XA RECOVER;
  # second time yields no error
  --error 0,1402
  --eval $op
  disconnect con2;

  connection default;
  SET debug_sync='RESET';

  let $op= XA ROLLBACK 'xatest';
  dec $i;
}