Fixed UNIX compilation

lib/emu.c

@@ -10,8 +10,7 @@
 
 #ifdef _WIN32
 #include <windows.h>
-#endif
-#ifdef _UNIX
+#else
 #include <pthread.h>
 #include <unistd.h>
 #endif
@@ -22,7 +21,11 @@ emu_context *emu_get_context() {
     return &ctx;
 }
 
+#ifdef _WIN32
 DWORD WINAPI cpu_run(void *p) {
+#else
+void *cpu_run(void *p) {
+#endif
     ppu_init();
     timer_init();
     cpu_init();
@@ -40,7 +43,7 @@ DWORD WINAPI cpu_run(void *p) {
 
         if (!cpu_step()) {
             printf("CPU stopped\n");
-            return -3;
+            return 0;
         }
 
     }
@@ -51,9 +54,8 @@ DWORD WINAPI cpu_run(void *p) {
 void sleep_ms(int milis) {
 #ifdef _WIN32
     Sleep(milis);
-#endif
-#ifdef _UNIX
-    usleep(milis * 1000);
+#else
+   	usleep(milis * 1000);
 #endif
 }
 
@@ -67,7 +69,7 @@ int emu_run(int argc, char **argv) {
         printf("Failed to load ROM file: %s\n", argv[1]);
         return -2;
     }
-
+	
     printf("Cart loaded..\n");
 
     ui_init();
@@ -77,9 +79,8 @@ int emu_run(int argc, char **argv) {
         fprintf(stderr, "Unable to create main CPU thread!\n");
         return -1;
     }
-#endif
-#ifdef _UNIX
-    pthread_t t1;
+#else
+   	pthread_t t1;
     if(pthread_create(&t1, NULL, cpu_run, NULL)) {
         fprintf(stderr, "Unable to create main CPU thread!\n");
         return -1;
@@ -110,4 +111,4 @@ void emu_cycles(int cpu_cycles) {
         }
         dma_tick();
     }
-}
+}