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/* vi: set sw=4 ts=4: */
/*
* Mini kill/killall implementation for busybox
*
* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
*
* 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 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
static const int KILL = 0;
static const int KILLALL = 1;
extern int kill_main(int argc, char **argv)
{
int whichApp, sig = SIGTERM;
const char *name;
#ifdef CONFIG_KILLALL
/* Figure out what we are trying to do here */
whichApp = (strcmp(applet_name, "killall") == 0)? KILLALL : KILL;
#else
whichApp = KILL;
#endif
argc--;
argv++;
/* Parse any options */
if (argc < 1)
show_usage();
while (argc > 0 && **argv == '-') {
while (*++(*argv)) {
switch (**argv) {
case 'l':
if(argc>1) {
for(argv++; *argv; argv++) {
name = u_signal_names(*argv, &sig, -1);
if(name!=NULL)
printf("%s\n", name);
}
} else {
int col = 0;
for(sig=1; sig < NSIG; sig++) {
name = u_signal_names(0, &sig, 1);
if(name==NULL) /* unnamed */
continue;
col += printf("%2d) %-16s", sig, name);
if (col > 60) {
printf("\n");
col = 0;
}
}
printf("\n");
}
return EXIT_SUCCESS;
case '-':
show_usage();
default:
name = u_signal_names(*argv, &sig, 0);
if(name==NULL)
error_msg_and_die( "bad signal name: %s", *argv);
argc--;
argv++;
goto do_it_now;
}
argc--;
argv++;
}
}
do_it_now:
if (whichApp == KILL) {
/* Looks like they want to do a kill. Do that */
while (--argc >= 0) {
int pid;
if (!isdigit(**argv))
perror_msg_and_die( "Bad PID");
pid = strtol(*argv, NULL, 0);
if (kill(pid, sig) != 0)
perror_msg_and_die( "Could not kill pid '%d'", pid);
argv++;
}
}
#ifdef CONFIG_KILLALL
else {
int all_found = TRUE;
pid_t myPid=getpid();
/* Looks like they want to do a killall. Do that */
while (--argc >= 0) {
pid_t* pidList;
pidList = find_pid_by_name( *argv);
if (!pidList || *pidList<=0) {
all_found = FALSE;
error_msg_and_die( "%s: no process killed", *argv);
}
for(; pidList && *pidList!=0; pidList++) {
if (*pidList==myPid)
continue;
if (kill(*pidList, sig) != 0)
perror_msg_and_die( "Could not kill pid '%d'", *pidList);
}
/* Note that we don't bother to free the memory
* allocated in find_pid_by_name(). It will be freed
* upon exit, so we can save a byte or two */
argv++;
}
if (all_found == FALSE)
return EXIT_FAILURE;
}
#endif
return EXIT_SUCCESS;
}
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