fsvs.c (1417B) download
1
2#include "config.h"
3#include "message.h"
4#include "service.h"
5#include "util.h"
6
7#include <getopt.h>
8#include <stdio.h>
9#include <sys/wait.h>
10#include <unistd.h>
11
12
13const char* current_prog(void) {
14 return "fsvs";
15}
16
17static const struct option long_options[] = {
18 { "version", no_argument, 0, 'V' },
19 { "once", no_argument, 0, 'o' },
20 { 0 }
21};
22
23static void signal_interrupt(int signum) {
24 (void) signum;
25
26 daemon_running = false;
27}
28
29int main(int argc, char** argv) {
30 int c;
31 bool once = false;
32 while ((c = getopt_long(argc, argv, ":Vo", long_options, NULL)) > 0) {
33 switch (c) {
34 case 'V':
35 print_version_exit();
36 break;
37 case 'o':
38 once = true;
39 break;
40 default:
41 case '?':
42 if (optopt)
43 fprint(1, "error: invalid option -%c\n", optopt);
44 else
45 fprint(1, "error: invalid option %s\n", argv[optind - 1]);
46 print_usage_exit(PROG_FSVS, 1);
47 }
48 }
49
50 argv += optind;
51 argc -= optind;
52 if (argc == 0) {
53 fprint(1, "error: missing <service-dir>\n");
54 print_usage_exit(PROG_FSVS, 1);
55 } else if (argc == 1) {
56 fprint(1, "error: missing <runlevel>\n");
57 print_usage_exit(PROG_FSVS, 1);
58 } else if (argc > 2) {
59 fprint(1, "error: too many arguments\n");
60 print_usage_exit(PROG_FSVS, 1);
61 }
62
63 struct sigaction sa = { 0 };
64 sa.sa_handler = signal_interrupt;
65 sigaction(SIGINT, &sa, NULL);
66 sigaction(SIGTERM, &sa, NULL);
67
68 return service_supervise(argv[0], argv[1], once);
69}