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/****************************************************************
*****************************************************************
*****************************************************************
KillJobs.c : Programme permettant de tuer une liste de processus
en fournissant des elements du nom ou de l'utilisateur
permettant d'identifier les jobs par un grep...
Copyright : Environnement Canada & COGITECH Jean Souviron, 2001
Auteur : Jean Souviron (COGITECH Jean Souviron)
Janvier 2001
*****************************************************************
*****************************************************************
*****************************************************************
*/
/*
--- DEFINITIONS des INCLUDE
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
/*
========================================================================================
========================================================================================
Routines necessaires
========================================================================================
========================================================================================
*/
/*
* U s a g e
*
*/
static void Usage ( char *filename )
{
fprintf ( stderr, "\n%c You need to call this program as :", toascii(7));
fprintf ( stderr, "\n\n %s part1 part2 ....", filename);
fprintf ( stderr, "\n\n where part1, part2, .. are parts of the line you wish");
fprintf ( stderr, "\n to select in the 'ps -ef' command.");
fprintf ( stderr, "\n (for instance a username, or part of the name of a program)");
fprintf ( stderr, "\n As you can see it can handle multiple searches at a time.");
fprintf ( stderr, "\n Moerover in the case of a parent-child hierarchy it begins");
fprintf ( stderr, "\n by killing the parent and then children.\n\n");
}
/*
========================================================================================
========================================================================================
========================================================================================
========================================================================================
Programme principal
========================================================================================
========================================================================================
========================================================================================
========================================================================================
*/
int main(int argc, char *argv[])
{
int i, l, k, last, *Num1=(int *)NULL, *Num2=(int *)NULL, nli=0, s=0, End=0 ;
char *name=(char *)NULL, command[200], *p=(char *)NULL, bidon[80] ;
FILE *fich = (FILE *)NULL ;
if ( argc <= 1 )
{
Usage(argv[0]);
exit(1);
}
/*
--- Initializes
*/
strcpy ( command, "ps -e | grep ");
l = strlen(command);
name = tmpnam((char *)NULL);
/*
--- Loops in order to find what is required
*/
for ( i = 1 ; i < argc ; i++ )
{
sprintf ( &(command[l]), "%s", argv[i] );
k = strlen(command);
if ( i == 1 )
sprintf ( &(command[k]), " > %s", name);
else
sprintf ( &(command[k]), " >> %s", name);
k = system(command);
}
/*
--- Opens the file and kills what needs to be killed
*/
fich = fopen(name, "r");
s = 0 ;
if ( fich != (FILE *)NULL )
{
while ( (p = fgets(command, 200, fich)) != (char *)NULL )
{
if ( ((p = strstr (command, "sh")) != (char *)NULL) ||
((p = strstr (command, "grep")) != (char *)NULL) ||
((p = strstr (command, argv[0])) != (char *)NULL) )
continue ;
Num1 = (int *) realloc ( Num1, ((nli+1)*sizeof(int)) );
Num2 = (int *) realloc ( Num2, ((nli+1)*sizeof(int)) );
if ( (Num1 == (int *)NULL) || (Num2 == (int *)NULL) )
{
s = 1 ;
break ;
}
#ifndef LINUX
sscanf ( command, "%s %d %d", bidon, &Num1[nli], &Num2[nli] );
#else
sscanf ( command, "%d", &Num1[nli] );
Num2[nli] = 1 ;
#endif
nli = nli + 1 ;
}
if ( (nli > 0) && (s == 0) )
{
/*
--- Sorts ids in order to kill parents before childs
*/
End = 1 ;
last = 0 ;
while ( End == 1 )
{
End = 0 ;
for ( i = last ; i < nli ; i++ )
{
if ( (Num2[i] != 1) && (i < (nli-1)) )
{
for ( k = (i+1) ; k < nli ; k++ )
if ( Num1[k] == Num2[i] )
{
l = Num1[i] ;
Num1[i] = Num1[k] ;
Num1[k] = l ;
l = Num2[i] ;
Num2[i] = Num2[k] ;
Num2[k] = l ;
End = 1 ;
last = i ;
break ;
}
}
if ( End == 1 )
break ;
}
}
/*
--- Now kills everybody in order
*/
for ( i = 0 ; i < nli ; i ++ )
{
sprintf ( command, "kill -9 %d", Num1[i]);
k = system (command);
}
}
if ( Num1 != (int *)NULL )
free ( Num1);
if ( Num2 != (int *)NULL )
free(Num2);
fclose ( fich );
sprintf ( command, "rm -f %s", name);
i = system(command);
}
return (s);
} |
