Fix: M112 calling kill from interrupt (#9923)

Fix #9906

Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp

@@ -81,6 +81,8 @@
 
   #if ENABLED(EMERGENCY_PARSER)
 
+    bool killed_by_M112; // = false
+
     #include "../../module/stepper.h"
 
     // Currently looking for: M108, M112, M410
@@ -155,7 +157,7 @@
                 wait_for_user = wait_for_heatup = false;
                 break;
               case state_M112:
-                kill(PSTR(MSG_KILLED));
+                killed_by_M112 = true;
                 break;
               case state_M410:
                 quickstop_stepper();

Marlin/src/HAL/HAL_AVR/MarlinSerial.h

@@ -94,6 +94,10 @@
     extern ring_buffer_pos_t rx_max_enqueued;
   #endif
 
+  #if ENABLED(EMERGENCY_PARSER)
+    extern bool killed_by_M112;
+  #endif
+
   class MarlinSerial { //: public Stream
 
     public:

Marlin/src/HAL/HAL_DUE/MarlinSerial_Due.cpp

@@ -108,6 +108,8 @@
 
   #if ENABLED(EMERGENCY_PARSER)
 
+    bool killed_by_M112; // = false
+
     // Currently looking for: M108, M112, M410
     // If you alter the parser please don't forget to update the capabilities in Conditionals_post.h
 
@@ -180,7 +182,7 @@
                 wait_for_user = wait_for_heatup = false;
                 break;
               case state_M112:
-                kill(PSTR(MSG_KILLED));
+                killed_by_M112 = true;
                 break;
               case state_M410:
                 quickstop_stepper();

Marlin/src/HAL/HAL_DUE/MarlinSerial_Due.h

@@ -74,6 +74,10 @@
   extern ring_buffer_pos_t rx_max_enqueued;
 #endif
 
+#if ENABLED(EMERGENCY_PARSER)
+  extern bool killed_by_M112;
+#endif
+
 class MarlinSerial {
 
 public:

Marlin/src/module/temperature.cpp

@@ -750,6 +750,10 @@ void Temperature::manage_heater() {
     static bool last_pause_state;
   #endif
 
+  #if ENABLED(EMERGENCY_PARSER)
+    if (killed_by_M112) kill(PSTR(MSG_KILLED));
+  #endif
+
   if (!temp_meas_ready) return;
 
   updateTemperaturesFromRawValues(); // also resets the watchdog