feat: created a function to handle sigkill

main.c

@@ -5,10 +5,27 @@
 #include "device.h"
 #include "fingerprint.h"
 
+DEVICE* gDevice = NULL;
+
+char* gUrl = "http://localhost:3000";
+char* gPassword = "testelabpesquisa";
+
+void
+SignalHandler(
+    int Signal
+    )
+{
+  printf("Exiting...\n");
+  if (gDevice != NULL) {
+    gDevice->Dispose(gDevice);
+  }
+
+  exit(0);
+}
+
 int main() {
   //SERVER * Server = InitializeServer(8000);
   //Server->Start(Server);
-  DEVICE* Device = NULL;
 
 #ifdef WIRINGPILIB
   // Initializing WiringPI
@@ -19,5 +36,21 @@ int main() {
   printf("OK!\n");
 #endif
 
-  Device = Device_Initialize(VERIFY_PROCESS);
+  signal(SIGINT, SignalHandler);
+  gDevice = Device_Init(VERIFY_PROCESS);
+
+  if (gDevice == NULL) {
+    printf("Something wrong happened...\n");
+    goto FINISH;
+  }
+
+  while(1) {
+    gDevice->Verify(gDevice);
+    if (gDevice->Outdated == 1) {
+      gDevice->Fingerprint->Update(gDevice->Fingerprint);
+      //gDevice->Fingerprint->Load(gDevice->Fingerprint);
+    }
+  }
+FINISH:
+  return 0;
 }