Added signal.h

RestServer/main.c

@@ -5,6 +5,8 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 
+#include <signal.h>
+
 #include "sendmysql.h"
 #include "calculate.h"
 
@@ -15,6 +17,18 @@
 #define PORT 1337
 #define PREFIX "/abshum"
 
+
+struct _u_instance instance;
+
+
+void exitFunction(void) {
+    printf("Exiting HumidityServer.\n");
+    ulfius_stop_framework(&instance);
+    ulfius_clean_instance(&instance);
+    exit(0);
+}
+
+
 int callback_welcome (const struct _u_request * request, struct _u_response * response, void * user_data) {
     ulfius_set_string_body_response(response, 200, "Welcome to the HumidityPi rest service!");
     return U_CALLBACK_CONTINUE;
@@ -98,8 +112,8 @@ int callback_absTempHum(const struct _u_request *request, struct _u_response *re
 
 
 int main(void) {
-    struct _u_instance instance;
     
+    atexit(exitFunction);
     // Initialize instance with the port number
     if (ulfius_init_instance(&instance, PORT, NULL, NULL) != U_OK) {
         fprintf(stderr, "Error ulfius_init_instance, abort\n");
@@ -120,10 +134,7 @@ int main(void) {
         fprintf(stderr, "Error starting framework\n");
     }
     printf("End framework\n");
-    
-    ulfius_stop_framework(&instance);
-    ulfius_clean_instance(&instance);
-    
+       
     return 0;
     
 }