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  • Committer: Monty Taylor
  • Date: 2008-12-10 07:43:50 UTC
  • mto: (670.1.3 devel)
  • mto: This revision was merged to the branch mainline in revision 672.
  • Revision ID: monty@inaugust.com-20081210074350-wi2y2piv23ko707h
Removed more stuff from the headers.

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drizzled/check_stack_overrun.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
 
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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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 *  the Free Software Foundation; version 2 of the License.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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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 <drizzled/global.h>
 
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#include <mysys/my_sys.h>
 
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#include <drizzled/definitions.h>
 
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#include <drizzled/session.h>
 
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#include <drizzled/error.h>
 
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/****************************************************************************
 
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        Check stack size; Send error if there isn't enough stack to continue
 
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****************************************************************************/
 
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#if STACK_DIRECTION < 0
 
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#define used_stack(A,B) (long) (A - B)
 
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#else
 
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#define used_stack(A,B) (long) (B - A)
 
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#endif
 
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extern size_t my_thread_stack_size;
 
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bool check_stack_overrun(Session *session, long margin, void *)
 
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{
 
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  long stack_used;
 
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  assert(session == current_session);
 
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  if ((stack_used=used_stack(session->thread_stack,(char*) &stack_used)) >=
 
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      (long) (my_thread_stack_size - margin))
 
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  {
 
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    sprintf(errbuff[0],ER(ER_STACK_OVERRUN_NEED_MORE),
 
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            stack_used,my_thread_stack_size,margin);
 
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    my_message(ER_STACK_OVERRUN_NEED_MORE,errbuff[0],MYF(ME_FATALERROR));
 
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    return true;
 
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  }
 
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  return false;
 
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}