From 8f4a52d7396c0dc20270e7644eebe5d9fc49eed9 Mon Sep 17 00:00:00 2001
From: cyoung <cyoung@gmail.com>
Date: Fri, 1 Feb 2019 16:06:22 -0500
Subject: [PATCH] Call `gracefulShutdown()` before reboot.

Fixes #717.
---
 main/gen_gdl90.go           | 4 ++--
 main/managementinterface.go | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/main/gen_gdl90.go b/main/gen_gdl90.go
index 1ff0b0bb..912b04bc 100644
--- a/main/gen_gdl90.go
+++ b/main/gen_gdl90.go
@@ -1446,7 +1446,7 @@ func openReplayFile(fn string) ReadCloser {
 var stratuxClock *monotonic
 var sigs = make(chan os.Signal, 1) // Signal catch channel (shutdown).
 
-// Graceful shutdown.
+// Graceful shutdown. Do everything except for kill the process.
 func gracefulShutdown() {
 	// Shut down SDRs.
 	sdrKill()
@@ -1463,7 +1463,6 @@ func gracefulShutdown() {
 
 	// Turn off green ACT LED on the Pi.
 	ioutil.WriteFile("/sys/class/leds/led0/brightness", []byte("0\n"), 0644)
-	os.Exit(1)
 }
 
 // Close log file handle, open new one.
@@ -1489,6 +1488,7 @@ func signalWatcher() {
 		} else {
 			log.Printf("signal caught: %s - shutting down.\n", sig.String())
 			gracefulShutdown()
+			os.Exit(1)
 		}
 	}
 }
diff --git a/main/managementinterface.go b/main/managementinterface.go
index a0328d44..cc74fd2e 100644
--- a/main/managementinterface.go
+++ b/main/managementinterface.go
@@ -414,14 +414,14 @@ func handleSettingsSetRequest(w http.ResponseWriter, r *http.Request) {
 
 func handleShutdownRequest(w http.ResponseWriter, r *http.Request) {
 	syscall.Sync()
-	syscall.Reboot(syscall.LINUX_REBOOT_CMD_POWER_OFF)
 	gracefulShutdown()
+	syscall.Reboot(syscall.LINUX_REBOOT_CMD_POWER_OFF)
 }
 
 func doReboot() {
 	syscall.Sync()
-	syscall.Reboot(syscall.LINUX_REBOOT_CMD_RESTART)
 	gracefulShutdown()
+	syscall.Reboot(syscall.LINUX_REBOOT_CMD_RESTART)
 }
 
 func handleDeleteLogFile(w http.ResponseWriter, r *http.Request) {