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cmirrord: add --foreground and --help options.

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This commit is contained in:
Ferenc Wágner 2015-07-08 14:41:23 +02:00 committed by Heinz Mauelshagen
parent 34ff9b96d2
commit 5dde63ee4f
1 changed files with 39 additions and 3 deletions
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38
daemons/cmirrord/clogd.c
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@ -15,6 +15,7 @@
#include "link_mon.h"
#include "local.h"
#include <getopt.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/socket.h>
@ -32,13 +33,48 @@ static void daemonize(void);
static void init_all(void);
static void cleanup_all(void);
int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
static void usage (FILE *dest)
{
fprintf (dest, "Usage: cmirrord [options]\n"
" -f, --foreground stay in the foreground, log to the terminal\n"
" -h, --help print this help\n");
}
int main(int argc, char *argv[])
{
int foreground_mode = 0;
struct option longopts[] = {
{ "foreground", no_argument, NULL, 'f' },
{ "help" , no_argument, NULL, 'h' },
{ 0, 0, 0, 0 }
};
int opt;
while ((opt = getopt_long (argc, argv, "fh", longopts, NULL)) != -1) {
switch (opt) {
case 'f':
foreground_mode = 1;
break;
case 'h':
usage (stdout);
exit (0);
default:
usage (stderr);
exit (2);
}
}
if (optind < argc) {
usage (stderr);
exit (2);
}
if (!foreground_mode)
daemonize();
init_all();
/* Parent can now exit, we're ready to handle requests */
if (!foreground_mode)
kill(getppid(), SIGTERM);
LOG_PRINT("Starting cmirrord:");