Also call CloseHandle on each thread, as well as on the event so as to not leak thread handles.

driver/others/blas_server_win32.c

@@ -461,13 +461,18 @@ int BLASFUNC(blas_thread_shutdown)(void){
     SetEvent(pool.killed);
 
     for(i = 0; i < blas_num_threads - 1; i++){
+      // Could also just use WaitForMultipleObjects
       WaitForSingleObject(blas_threads[i], 5);  //INFINITE);
 #ifndef OS_WINDOWSSTORE
 // TerminateThread is only available with WINAPI_DESKTOP and WINAPI_SYSTEM not WINAPI_APP in UWP
       TerminateThread(blas_threads[i],0);
 #endif
+      CloseHandle(blas_threads[i]);
     }
 
+    CloseHandle(pool.filled);
+    CloseHandle(pool.killed);
+
     blas_server_avail = 0;
   }
 

exports/dllinit.c

@@ -56,7 +56,7 @@ BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD reason, LPVOID reserved) {
         break;
       case DLL_THREAD_DETACH:
 #if defined(SMP) && defined(USE_TLS)
-        blas_thread_memory_cleanup(void);
+        blas_thread_memory_cleanup();
 #endif
         break;
   }