diff --git a/src/sys/daemon.c b/src/sys/daemon.c
new file mode 100644
index 0000000..7ba14db
--- /dev/null
+++ b/src/sys/daemon.c
@@ -0,0 +1,62 @@
+/**
+ * @file daemon.c  Daemonize process
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <signal.h>
+#include <stdio.h>
+#include <re_types.h>
+#include <re_mbuf.h>
+#include <re_sys.h>
+
+
+/**
+ * Daemonize process
+ *
+ * @return 0 if success, otherwise errorcode
+ */
+int sys_daemon(void)
+{
+#ifdef HAVE_FORK
+	pid_t pid;
+
+	pid = fork();
+	if (-1 == pid)
+		return errno;
+	else if (pid > 0)
+		exit(0);
+
+	if (-1 == setsid())
+		return errno;
+
+	(void)signal(SIGHUP, SIG_IGN);
+
+	pid = fork();
+	if (-1 == pid)
+		return errno;
+	else if (pid > 0)
+		exit(0);
+
+	if (-1 == chdir("/"))
+		return errno;
+	(void)umask(0);
+
+	/* Redirect standard files to /dev/null */
+	if (freopen("/dev/null", "r", stdin) == NULL)
+		return errno;
+	if (freopen("/dev/null", "w", stdout) == NULL)
+		return errno;
+	if (freopen("/dev/null", "w", stderr) == NULL)
+		return errno;
+
+	return 0;
+#else
+	return ENOSYS;
+#endif
+}