unknown 5792c4d162 Fix bug #11934 Two sequential FLUSH TABLES WITH READ LOCK hangs client ...

Bug was introduced by cset 1.1659.14.1. Before it server was silently
ignoring that lock can't be acquired because it already acquired.

This patch makes make_global_read_lock_block_commit() return without error
if lock already acquired.


mysql-test/t/flush_table.test:
  Test case for bug#11934 FLUSH TABLES WITH READ LOCK hangs client.
mysql-test/r/flush_table.result:
  Test case for bug#11934 FLUSH TABLES WITH READ LOCK hangs client.
sql/lock.cc:
  Fix bug #11934 Two sequential FLUSH TABLES WITH READ LOCK hangs client.
  Make make_global_read_lock_block_commit() return without error if lock already acquired.

2005-08-03 02:01:27 +04:00

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