smartd.cpp

/*
 * Home page of code is: http://smartmontools.sourceforge.net
 *
 * Copyright (C) 2002 Bruce Allen <smartmontools-support@lists.sourceforge.net>
 * Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example COPYING); if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * This code was originally developed as a Senior Thesis by Michael Cornwell
 * at the Concurrent Systems Laboratory (now part of the Storage Systems
 * Research Center), Jack Baskin School of Engineering, University of
 * California, Santa Cruz. http://ssrc.soe.ucsc.edu/
 *
 */

#define _GNU_SOURCE
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <linux/hdreg.h>
#include <syslog.h>
#include <stdarg.h>
#include <signal.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <limits.h>
#include "atacmds.h"
#include "scsicmds.h"
#include "smartd.h"
#include "ataprint.h"
#include "extern.h"


// CVS ID strings
extern const char *CVSid1, *CVSid2;
const char *CVSid6="$Id: smartd.cpp,v 1.72 2002/11/22 14:45:00 ballen4705 Exp $" 
CVSID1 CVSID2 CVSID3 CVSID4 CVSID7;

// global variable used for control of printing, passing arguments, etc.
atamainctrl *con=NULL;

// Two other globals -- number of ATA and SCSI devices being monitored
int numatadevices=0;
int numscsidevices=0;

// How long to sleep between checks.  Handy as global variable for
// debugging
int checktime=CHECKTIME;

// Needed to interrupt sleep when catching SIGUSR1.  Unix Gurus: I
// know that this can be done better.  Please tell me how -- use email
// address at the top of this file.  Search for "sleeptime" to see
// what I am doing.
volatile int sleeptime=CHECKTIME;

// Interrupt sleep if we get a SIGUSR1.  Unix Gurus: I know that this
// can be done better.  Please tell me how -- use email address at the