not quite yet working live reload

hiisi/main.cpp

@@ -1,15 +1,23 @@
 #include "hiisi.h"
 
 #include <assert.h>
-#include <elf.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <dlfcn.h>
 #include <link.h>
+#include <signal.h>
+#include <atomic>
 
 struct app_state {};
 
-Engine load_hiisi(const char *name) {
+std::atomic<bool> reload_requested(false);
+
+void reload_signal_handler(int) {
+    reload_requested = true;
+}
+
+Engine load_hiisi() {
+    const char *name = "build/hiisi/libhiisi-engine.so";
     void *mod = dlopen(name, RTLD_NOW);
 
     Lmid_t list;
@@ -82,10 +90,11 @@ Engine load_hiisi(const char *name) {
 
 int main(int argc, char **argv) {
 
-    app_state state;
-    void *state_ptr = &state;
+    signal(SIGUSR1, reload_signal_handler);
 
-    Engine hiisi = load_hiisi("build/hiisi/libhiisi-engine.so");
+    EngineData state;
+
+    Engine hiisi = load_hiisi();
     if (!hiisi.module) {
         printf("%s\n", dlerror());
         return 1;
@@ -94,6 +103,11 @@ int main(int argc, char **argv) {
     hiisi.init(&state, argc, argv);
     while (hiisi.event(&state)) {
         hiisi.iterate(&state);
+        if (reload_requested) {
+            dlclose(hiisi.module);
+            hiisi = load_hiisi();
+            reload_requested = false;
+        }
     }
 
     dlclose(hiisi.module);