watchdog.h File Reference

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Functions
void	start_watchdog (int period_msec)
	Starts a watchdog thread that must be reset more often than period_msec.
void	reset_watchdog (void)
	Resets the watchdog.
void	add_watchdog_reset_timer (int period_msec)
	Inserts a timer that will periodically reset the watchdog, thereby practically making the watchdog watch the timer thread.

Detailed Description

Copyright

Copyright (c) 2013, Balazs Racz All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Interface for a software watchdog that aborts if not reset periodically.

Author

Balazs Racz

Date

25 May 2013

Definition in file watchdog.h.

Function Documentation

add_watchdog_reset_timer()

void add_watchdog_reset_timer

(

int

period_msec

)

Inserts a timer that will periodically reset the watchdog, thereby practically making the watchdog watch the timer thread.

This makes it possible to add timers that watch other resources for not overflowing.

Parameters

period_msec

tells how often to reset the watchdog.

Definition at line 93 of file watchdog.c.

reset_watchdog()

void reset_watchdog

(

void

)

Resets the watchdog.

Definition at line 80 of file watchdog.c.

start_watchdog()

void start_watchdog

(

int

period_msec

)

Starts a watchdog thread that must be reset more often than period_msec.

Definition at line 67 of file watchdog.c.