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/*
* UNG's Not GNU
*
* Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "sh.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
struct {
char *name;
int num;
} ksigs[] = {
{ "ABRT", SIGABRT },
{ "ALRM", SIGALRM },
{ "BUS", SIGBUS },
{ "CHLD", SIGCHLD },
{ "CONT", SIGCONT },
{ "FPE", SIGFPE },
{ "HUP", SIGHUP },
{ "ILL", SIGILL },
{ "INT", SIGINT },
{ "KILL", SIGKILL },
{ "PIPE", SIGPIPE },
{ "QUIT", SIGQUIT },
{ "SEGV", SIGSEGV },
{ "STOP", SIGSTOP },
{ "TERM", SIGTERM },
{ "TSTP", SIGTSTP },
{ "TTIN", SIGTTIN },
{ "TTOU", SIGTTOU },
{ "USR1", SIGUSR1 },
{ "USR2", SIGUSR2 },
{ "POLL", SIGPOLL },
{ "PROF", SIGPROF },
{ "SYS", SIGSYS },
{ "TRAP", SIGTRAP },
{ "URG", SIGURG },
{ "VTALRM", SIGVTALRM },
{ "XCPU", SIGXCPU },
{ "XFSZ", SIGXFSZ },
};
size_t nsigs = sizeof(ksigs) / sizeof(ksigs[0]);
int kill_main(int argc, char *argv[])
{
char *signame = "TERM";
int list = 0;
opterr = 0;
int c;
while ((c = getopt(argc, argv, "s:l")) != -1) {
switch (c) {
case 's': /** send signal [signal_name] **/
signame = optarg;
break;
case 'l':
list = 1;
break;
default:
if (isdigit(optopt) || isupper(optopt)) {
signame = argv[optind];
break;
}
fprintf(stderr, "kill: unknown option '-%c'\n", optopt);
//return 1;
}
}
if (list) {
if (argv[optind]) {
}
for (size_t i = 0; i < nsigs; i++) {
printf("%s%c", ksigs[i].name, i < nsigs - 1 ? ' ' : '\n');
}
return 0;
}
if (argc <= optind) {
fprintf(stderr, "kill: missing operand\n");
return 1;
}
int pid = atoi(argv[optind]);
for (size_t i = 0; i < nsigs; i++) {
if (!strcmp(signame, ksigs[i].name)) {
if (kill(pid, ksigs[i].num) != 0) {
perror("kill");
}
}
}
fprintf(stderr, "kill: invalid signal '%s'\n", signame);
return 1;
}
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