1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
4
* Copyright (C) 2008 Sun Microsystems
6
* This program is free software; you can redistribute it and/or modify
7
* it under the terms of the GNU General Public License as published by
8
* the Free Software Foundation; version 2 of the License.
10
* This program is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
15
* You should have received a copy of the GNU General Public License
16
* along with this program; if not, write to the Free Software
17
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21
#include "drizzled/internal/my_sys.h"
22
#include <drizzled/definitions.h>
23
#include <drizzled/session.h>
24
#include <drizzled/error.h>
25
#include <drizzled/check_stack_overrun.h>
30
/****************************************************************************
31
Check stack size; Send error if there isn't enough stack to continue
32
****************************************************************************/
33
#if defined(STACK_DIRECTION) && (STACK_DIRECTION < 0)
34
#define used_stack(A,B) (long) (A - B)
36
#define used_stack(A,B) (long) (B - A)
39
extern size_t my_thread_stack_size;
41
bool check_stack_overrun(Session *session, long margin, void *)
44
if ((stack_used=used_stack(session->thread_stack,(char*) &stack_used)) >=
45
(long) (my_thread_stack_size - margin))
47
my_printf_error(ER_STACK_OVERRUN_NEED_MORE, ER(ER_STACK_OVERRUN_NEED_MORE),
49
stack_used,my_thread_stack_size,margin);
55
} /* namespace drizzled */