Ben Lentz <BLentz@channing-bete.com>:

Detach daemon from its terminal

2 files changed, 9 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 83e1524..78e3034 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -27,6 +27,7 @@ o show error and warning messages to stderr
 o hash lookup speedups based on comments from netdev's discussions
 o add support for connection logging to the statistics mode via Logfile
 o minor irrelevant fixes for uncommon error paths and fix several typos
+o detach daemon from its terminal (Ben Lenitz <BLentz@channing-bete.com>)
 
 version 0.9.5 (2007/07/29)
 ------------------------------
diff --git a/src/main.c b/src/main.c
index e0ca46d..ee6abf3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -272,7 +272,7 @@ int main(int argc, char *argv[])
 
 	/* Daemonize conntrackd */
 	if (type == DAEMON) {
-		pid_t pid;
+		pid_t pid, sid;
 
 		if ((pid = fork()) == -1) {
 			perror("fork has failed: ");
@@ -280,6 +280,13 @@ int main(int argc, char *argv[])
 		} else if (pid)
 			exit(EXIT_SUCCESS);
 		
+		sid = setsid();
+
+		if (sid < 0) {
+			perror("setsid has failed: ");
+			exit(EXIT_FAILURE);
+		}
+
 		dlog(STATE(log), LOG_NOTICE, "-- starting in daemon mode --");
 	} else
 		dlog(STATE(log), LOG_NOTICE, "-- starting in console mode --");