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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos 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; either version 2 of the License, or
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* (at your option) any later version.
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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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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2004 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief Monitor to check for stack overflows
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*
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*
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* \author Giovanni Bajo <rasky@develer.com>
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*
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* $WIZ$ module_name = "monitor"
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* $WIZ$ module_depends = "kernel"
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* $WIZ$ module_configuration = "bertos/cfg/cfg_monitor.h"
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*/
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#ifndef KERN_MONITOR_H
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#define KERN_MONITOR_H
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#include "cfg/cfg_monitor.h"
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#include <cpu/types.h>
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/**
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* Start the kernel monitor. It is a special process which checks every second the stacks of the
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* running processes trying to detect stack overflows.
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*
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* \param stacksize Size of stack in chars
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* \param stack Pointer to the stack that will be used by the monitor
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*
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* \note The stack is provided by the caller so that there is no wasted space if the monitor
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* is not used.
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*/
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void monitor_start(size_t stacksize, cpu_stack_t *stack);
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/**
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* Manually check if a given stack has overflown. This is used to check for stacks
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* of processes handled externally form the kernel, or for other stacks (for instance
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* the interrupt supervisor stack).
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*
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* \note For this function to work, the stack must have been filled at startup with
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* CONFIG_KERN_STACKFILLCODE.
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*/
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size_t monitor_checkStack(cpu_stack_t *stack_base, size_t stack_size);
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/** Print a report of the stack status through kdebug */
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void monitor_report(void);
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#endif /* KERN_MONITOR_H */
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