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  • Committer: Lee
  • Date: 2008-10-30 22:02:01 UTC
  • mto: (572.1.2 devel)
  • mto: This revision was merged to the branch mainline in revision 573.
  • Revision ID: lbieber@lbieber-desktop-20081030220201-elb6qprbzpn7c5a4
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drizzled/query_id.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
 
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
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#include <drizzled/definitions.h>
 
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#include <config.h>
 
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#include <definitions.h>
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#include <drizzled/query_id.h>
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#include "drizzled/internal/my_pthread.h"
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namespace drizzled
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{
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Query_id::Query_id()
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{
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  the_query_id= 1;
 
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#include <mysys/my_pthread.h>
 
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Query_id::Query_id() : the_query_id(1)
 
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{
 
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  /* pthread_mutex_init always returns 0 */
 
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  (void)pthread_mutex_init(&LOCK_query_id, MY_MUTEX_INIT_FAST);
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}
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Query_id::~Query_id()
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{
 
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  pthread_mutex_destroy(&LOCK_query_id);
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}
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uint64_t Query_id::value() const
 
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query_id_t Query_id::value() const
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{
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  return the_query_id;
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}
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uint64_t Query_id::next()
 
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query_id_t Query_id::next()
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{
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  uint64_t ret= the_query_id.increment();
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  pthread_mutex_lock(&LOCK_query_id);
 
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  query_id_t ret= the_query_id++;
 
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  pthread_mutex_unlock(&LOCK_query_id);
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  return ret;
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}
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} /* namespace drizzled */