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/* killall.c - Send signal (default: TERM) to all processes with given names.
*
* Copyright 2012 Andreas Heck <aheck@gmx.de>
*
* http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/killall.html
USE_KILLALL(NEWTOY(killall, "<1?lqvi", TOYFLAG_USR|TOYFLAG_BIN))
config KILLALL
bool "killall"
default y
help
usage: killall [-l] [-iqv] [-SIG] PROCESS_NAME...
Send a signal (default: TERM) to all processes with the given names.
-i ask for confirmation before killing
-l print list of all available signals
-q don't print any warnings or error messages
-v report if the signal was successfully sent
*/
#define FOR_killall
#include "toys.h"
GLOBALS(
int signum;
pid_t cur_pid;
)
static int kill_process(pid_t pid, char *name)
{
int ret;
if (pid == TT.cur_pid) return 0;
if (toys.optflags & FLAG_i) {
sprintf(toybuf, "Signal %s(%d) ?", name, pid);
if (yesno(toybuf, 0) == 0) return 0;
}
ret = kill(pid, TT.signum);
if (ret == -1 && !(toys.optflags & FLAG_q))
error_msg("bad %u", (unsigned)pid);
else if (toys.optflags & FLAG_v)
printf("Killed %s(%d) with signal %d\n", name, pid, TT.signum);
return 0;
}
void killall_main(void)
{
char **names = toys.optargs;
TT.signum = SIGTERM;
toys.exitval++;
if (toys.optflags & FLAG_l) {
sig_to_num(NULL);
return;
}
if (**names == '-') {
if (0 > (TT.signum = sig_to_num((*names)+1))) {
if (toys.optflags & FLAG_q) exit(1);
error_exit("Invalid signal");
}
names++;
}
if (!*names) {
toys.exithelp++;
error_exit("Process name missing!");
}
TT.cur_pid = getpid();
names_to_pid(names, kill_process);
if (toys.exitval && !(toys.optflags & FLAG_q)) error_exit("No such process");
}
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