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  • Committer: Brian Aker
  • Date: 2010-11-08 20:10:51 UTC
  • mfrom: (1910.2.8 merge)
  • Revision ID: brian@tangent.org-20101108201051-fmplr6oke3c088kf
Encapsulation around locking/kill

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  unit->set_limit(select_lex);
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  bool need_start_waiting= false;
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  if (! (need_start_waiting= ! wait_if_global_read_lock(session, 0, 1)))
 
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  if (! (need_start_waiting= not session->wait_if_global_read_lock(0, 1)))
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  {
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    return true;
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  }
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    Release the protection against the global read lock and wake
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    everyone, who might want to set a global read lock.
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  */
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  start_waiting_global_read_lock(session);
 
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  session->startWaitingGlobalReadLock();
 
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  return res;
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}
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