swaylock: Add -f option to detach from the controlling terminal, fixes #725

1 files changed, 7 insertions, 1 deletions

diff --git a/swaylock/main.c b/swaylock/main.c
index a0a2f1cb..af1f7a74 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -333,6 +333,7 @@ int main(int argc, char **argv) {
                 {"version", no_argument, NULL, 'v'},
                 {"socket", required_argument, NULL, 'p'},
                 {"no-unlock-indicator", no_argument, NULL, 'u'},
+                {"daemonize", no_argument, NULL, 'f'},
                 {0, 0, 0, 0}
         };
 
@@ -346,14 +347,16 @@ int main(int argc, char **argv) {
                 "  -v, --version                  Show the version number and quit.\n"
                 "  -i, --image [<output>:]<path>  Display the given image.\n"
                 "  -u, --no-unlock-indicator      Disable the unlock indicator.\n"
+                "  -f, --daemonize                Detach from the controlling terminal.\n" 
                 "  --socket <socket>              Use the specified socket.\n";
 
+
         registry = registry_poll();
 
         int c;
         while (1) {
                 int option_index = 0;
-                c = getopt_long(argc, argv, "hc:i:s:tvu", long_options, &option_index);
+                c = getopt_long(argc, argv, "hc:i:s:tvuf", long_options, &option_index);
                 if (c == -1) {
                         break;
                 }
@@ -421,6 +424,9 @@ int main(int argc, char **argv) {
                 case 'u':
                         show_indicator = false;
                         break;
+                case 'f':
+                        daemon(0, 0);
+                        break;
                 default:
                         fprintf(stderr, "%s", usage);
                         exit(EXIT_FAILURE);