Introduce '-D' commandline option to daemonize processes
This uses the osmo_daemonize() function of libosmocore >= 0.1.18,
and is now implemented for bac_nat, osmo-bsc, bsc_hack, osmo-gbproxy
and bsc_mgcp. This means only osmo-sgsn is missing, which currently
has no option parsing at all.
diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c
index e029b11..997a57f 100644
--- a/openbsc/src/nat/bsc_nat.c
+++ b/openbsc/src/nat/bsc_nat.c
@@ -46,6 +46,7 @@
#include <osmocore/gsm0808.h>
#include <osmocore/talloc.h>
+#include <osmocore/process.h>
#include <osmocore/protocol/gsm_08_08.h>
@@ -65,6 +66,7 @@
static struct bsc_fd bsc_listen;
static const char *msc_ip = NULL;
static struct timer_list sccp_close;
+static int daemonize = 0;
const char *openbsc_copyright =
"Copyright (C) 2010 Holger Hans Peter Freyther and On-Waves\n"
@@ -994,6 +996,7 @@
printf(" Some useful help...\n");
printf(" -h --help this text\n");
printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n");
+ printf(" -D --daemonize Fork the process into a background daemon\n");
printf(" -s --disable-color\n");
printf(" -c --config-file filename The config file to use.\n");
printf(" -m --msc=IP. The address of the MSC.\n");
@@ -1106,8 +1109,9 @@
int main(int argc, char** argv)
{
- talloc_init_ctx();
+ int rc;
+ talloc_init_ctx();
log_init(&log_info);
stderr_target = log_target_create_stderr();
@@ -1182,6 +1186,14 @@
signal(SIGUSR1, &signal_handler);
signal(SIGPIPE, SIG_IGN);
+ if (daemonize) {
+ rc = osmo_daemonize();
+ if (rc < 0) {
+ perror("Error during daemonize");
+ exit(1);
+ }
+ }
+
/* recycle timer */
sccp_set_log_area(DSCCP);
sccp_close.cb = sccp_close_unconfirmed;