79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include "util.h"
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struct {
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const char *name;
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int sig;
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} sigs[] = {
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#define SIG(n) { #n, SIG##n }
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SIG(ABRT), SIG(ALRM), SIG(BUS), SIG(CHLD), SIG(CONT), SIG(FPE), SIG(HUP),
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SIG(ILL), SIG(INT), SIG(KILL), SIG(PIPE), SIG(QUIT), SIG(SEGV), SIG(STOP),
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SIG(TERM), SIG(TSTP), SIG(TTIN), SIG(TTOU), SIG(USR1), SIG(USR2), SIG(URG),
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#undef SIG
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};
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static void usage(void);
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int
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main(int argc, char *argv[])
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{
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bool lflag = false;
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char c, *end;
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int sig = SIGTERM;
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pid_t pid;
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size_t i;
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while((c = getopt(argc, argv, "ls:")) != -1)
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switch(c) {
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case 'l':
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lflag = true;
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break;
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case 's':
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sig = strtol(optarg, &end, 0);
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if(*end == '\0')
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break;
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for(i = 0; i < LEN(sigs); i++)
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if(!strcasecmp(optarg, sigs[i].name)) {
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sig = sigs[i].sig;
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break;
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}
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if(i == LEN(sigs))
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eprintf("%s: unknown signal\n", optarg);
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break;
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default:
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usage();
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}
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if(optind < argc-1)
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usage();
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if(lflag) {
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sig = (optind == argc) ? 0 : estrtol(argv[optind], 0);
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if(sig > 128)
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sig = WTERMSIG(sig);
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for(i = 0; i < LEN(sigs); i++)
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if(sigs[i].sig == sig || sig == 0)
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putword(sigs[i].name);
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putchar('\n');
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}
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else for(; optind < argc; optind++) {
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pid = estrtol(argv[optind], 0);
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if(kill(pid, sig) == -1)
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eprintf("kill %d:", pid);
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}
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return EXIT_SUCCESS;
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}
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void
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usage(void)
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{
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eprintf("usage: %s [-s signal] [pid...]\n"
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" %s -l [signum]\n", argv0, argv0);
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}
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