openwrt-routing/vis/patches/0001-Allow-one-to-disable-f...

57 lines
1.5 KiB
Diff

From: Sven Eckelmann <sven@narfation.org>
Date: Sun, 1 Dec 2013 14:39:00 +0100
Subject: Allow one to disable forking to background in debug_mode 0
---
posix/init.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
--- a/vis.c
+++ b/vis.c
@@ -58,6 +58,7 @@ buffer_t *fillme = NULL;
static int8_t stop;
uint8_t debug_level = 0;
+static int no_detach = 0;
formats selected_formats = dot_draw;
@@ -716,6 +717,7 @@ void print_usage() {
printf( "Usage: vis <interface(s)> \n" );
printf( "\t-j output mesh topology as json on port %d\n", JSON_PORT );
printf( "\t-d debug level\n" );
+ printf( "\t-D run in foreground\n" );
printf( "\t-h help\n" );
printf( "\t-v Version\n\n" );
printf( "Olsrs3d / Meshs3d is an application to visualize a mesh network.\nIt is a part of s3d, have a look at s3d.berlios.de\n\n" );
@@ -736,7 +738,7 @@ int main( int argc, char **argv ) {
fd_set wait_sockets, tmp_wait_sockets;
- while ( ( optchar = getopt ( argc, argv, "jd:hv" ) ) != -1 ) {
+ while ( ( optchar = getopt ( argc, argv, "jd:hvD" ) ) != -1 ) {
switch( optchar ) {
@@ -771,6 +773,11 @@ int main( int argc, char **argv ) {
selected_formats |= json;
found_args++;
break;
+
+ case 'D':
+ no_detach = 1;
+ found_args++;
+ break;
default:
print_usage();
@@ -889,7 +896,7 @@ int main( int argc, char **argv ) {
/* daemonize */
- if ( debug_level == 0 ) {
+ if ( debug_level == 0 && !no_detach) {
if ( my_daemon() < 0 )
exit_error( "Error - can't fork to background: %s\n", strerror(errno) );