Fix #230: Signal parent once child takes over

Author: mechanicker

main.go

@@ -188,12 +188,14 @@ func main() {
 				wg.Wait()
 				if waitedForSignal == syscall.SIGUSR1 {
 					return
-				} else {
-					return fuse.EINVAL
 				}
+				return fuse.EINVAL
 			} else {
+				// Signal parent process since we are taking over
+				_ = kill(os.Getppid(), syscall.SIGUSR1)
+
 				// kill our own waiting goroutine
-				kill(os.Getpid(), syscall.SIGUSR1)
+				_ = kill(os.Getpid(), syscall.SIGUSR1)
 				wg.Wait()
 				defer ctx.Release()
 			}