Add UNKNOWN status type. test for shared_data in ShmValid()

2020-09-02 17:22:00 -04:00 · 2020-09-02 17:22:00 -04:00 · 794474afab
parent 0d07f93cd7
commit 794474afab
1 changed files with 2 additions and 1 deletions
--- a/src/zm_monitor.h
+++ b/src/zm_monitor.h
@ -88,6 +88,7 @@ public:
  } Orientation;

  typedef enum {
+    UNKNOWN,
    IDLE,
    PREALARM,
    ALARM,
@ -425,7 +426,7 @@ public:
  bool connect();

  inline int ShmValid() const {
-    return shared_data->valid;
+    return shared_data && shared_data->valid;
  }

  inline unsigned int Id() const {