1 files changed, 5 insertions, 0 deletions
diff --git a/instr-daemon.c b/instr-daemon.c
index 093b2f7..0065ca3 100644
--- a/instr-daemon.c
+++ b/instr-daemon.c
@@ -14,6 +14,7 @@
 #include <stdlib.h>
 #include <ctype.h>
 #include <glib.h>
+#include <unistd.h>
 
 #define STDIN_BUF_SIZE 1024
 
@@ -315,6 +316,10 @@ int main(int argc, char **argv)
 static gboolean periodic_poll (void)
 {
 	if (bus_getpin (POWER_FAIL)) {
+		// tidy up filesystem
+		sync ();
+
+		// shutdown
 		system ("/usr/bin/systemctl poweroff");
 	}