Applied daemon patch, thanks to Rune Magnussen

software/daemon.c

@@ -0,0 +1,21 @@
+/* Functions used when running in the background
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "infnoise.h"
+
+int writePid(pid_t pid, char *fileName) {
+	FILE *pidFile;
+	int ret;
+	pidFile = fopen(fileName,"w");
+	if(pidFile == NULL)
+		return errno;
+	ret = fprintf(pidFile, "%d\n", pid);
+	if (ret < 0)
+		return ret;
+	return fclose(pidFile);
+}