Added command-line options and daemonizer.

1 files changed, 48 insertions, 0 deletions

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);
+}