sbase/kill.c

79 lines
1.5 KiB
C
Raw Normal View History

2011-06-10 01:29:10 +00:00
/* See LICENSE file for copyright and license details. */
#include <signal.h>
2011-06-10 01:56:13 +00:00
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
2011-06-10 01:29:10 +00:00
#include <strings.h>
#include <unistd.h>
2011-06-21 03:56:16 +00:00
#include <sys/wait.h>
2011-06-10 01:29:10 +00:00
#include "util.h"
struct {
const char *name;
int sig;
} sigs[] = {
#define SIG(n) { #n, SIG##n }
SIG(ABRT), SIG(ALRM), SIG(BUS), SIG(CHLD), SIG(CONT), SIG(FPE), SIG(HUP),
SIG(ILL), SIG(INT), SIG(KILL), SIG(PIPE), SIG(QUIT), SIG(SEGV), SIG(STOP),
SIG(TERM), SIG(TSTP), SIG(TTIN), SIG(TTOU), SIG(USR1), SIG(USR2), SIG(URG),
#undef SIG
};
2013-06-14 18:20:47 +00:00
static void
usage(void)
{
eprintf("usage: %s [-s signal] [pid...]\n"
" %s -l [signum]\n", argv0, argv0);
}
2012-05-14 20:28:41 +00:00
2011-06-10 01:29:10 +00:00
int
main(int argc, char *argv[])
{
2011-06-10 01:56:13 +00:00
bool lflag = false;
2013-06-14 18:20:47 +00:00
char *end, *v;
2011-06-21 04:05:37 +00:00
int sig = SIGTERM;
2011-06-10 01:29:10 +00:00
pid_t pid;
2011-06-21 04:05:37 +00:00
size_t i;
2011-06-10 01:29:10 +00:00
2013-06-14 18:20:47 +00:00
ARGBEGIN {
case 'l':
lflag = true;
break;
case 's':
v = EARGF(usage());
sig = strtol(v, &end, 0);
if(*end == '\0')
2011-06-10 01:56:13 +00:00
break;
2013-06-14 18:20:47 +00:00
for(i = 0; i < LEN(sigs); i++) {
if(!strcasecmp(v, sigs[i].name)) {
sig = sigs[i].sig;
2011-06-10 02:12:45 +00:00
break;
2013-06-14 18:20:47 +00:00
}
2011-06-10 01:29:10 +00:00
}
2013-06-14 18:20:47 +00:00
if(i == LEN(sigs))
eprintf("%s: unknown signal\n", v);
break;
default:
usage();
} ARGEND;
if(argc < 1)
2012-05-15 12:32:56 +00:00
usage();
2011-06-10 01:56:13 +00:00
2012-05-14 20:28:41 +00:00
if(lflag) {
2013-06-14 18:20:47 +00:00
sig = (argc > 0) ? 0 : estrtol(argv[0], 0);
2011-06-21 03:56:16 +00:00
if(sig > 128)
sig = WTERMSIG(sig);
2011-06-10 01:56:13 +00:00
for(i = 0; i < LEN(sigs); i++)
if(sigs[i].sig == sig || sig == 0)
putword(sigs[i].name);
putchar('\n');
2013-06-14 18:20:47 +00:00
} else for(; argc > 0; argc--, argv++) {
pid = estrtol(argv[0], 0);
2011-06-10 01:29:10 +00:00
if(kill(pid, sig) == -1)
eprintf("kill %d:", pid);
}
2012-05-14 20:28:41 +00:00
return EXIT_SUCCESS;
2012-05-14 20:28:41 +00:00
}