From 671966ae7bb69fc04952a8accaa52fae5e77d8bb Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sat, 4 Sep 2010 01:20:33 +0200
Subject: Added command-line options and daemonizer.

---
 daemon.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 daemon.c

(limited to 'daemon.c')

diff --git a/daemon.c b/daemon.c
new file mode 100644
index 0000000..0de94fa
--- /dev/null
+++ b/daemon.c
@@ -0,0 +1,48 @@
+#include "conf.h"
+
+#include <glib/gstdio.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+void daemonize() {
+	gchar *pidfile = conf_get_string("audist", "pidfile");
+
+	if(pidfile == NULL) {
+		g_warning("pidfile not set - can't daemonize");
+		return;
+	}
+
+	FILE *f = fopen(pidfile, "w");
+	if(f == NULL) {
+		g_warning("pidfile \"%s\" not writeable - can't daemonize", pidfile);
+		return;
+	}
+
+	switch(fork()) {
+		case 0:
+			break;
+		case -1:
+			g_error("fork() failed");
+		default:
+			_exit(0);
+	}
+
+	fprintf(f, "%d\n", getpid());
+	fclose(f);
+
+	g_free(pidfile);
+}
+
+void daemonize_finished() {
+	gchar *pidfile = conf_get_string("audist", "pidfile");
+
+	if(pidfile == NULL) {
+		g_warning("pidfile not set");
+		return;
+	}
+
+	g_unlink(pidfile);
+	g_free(pidfile);
+}
-- 
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