Function run

example/threads.c:29–97

} thread_args;

void* run(void* args_abs) {
  thread_args* args = (thread_args*)args_abs;

  // Recreate store and module.
  own wasm_store_t* store = wasm_store_new(args->engine);
  own wasm_module_t* module = wasm_module_obtain(store, args->module);

  // Run the example N times.
  for (int i = 0; i < N_REPS; ++i) {
    usleep(100000);

    // Create imports.
    own wasm_functype_t* func_type = wasm_functype_new_1_0(wasm_valtype_new_i32());
    own wasm_func_t* func = wasm_func_new(store, func_type, callback);
    wasm_functype_delete(func_type);

    wasm_val_t val = WASM_I32_VAL((int32_t)args->id);
    own wasm_globaltype_t* global_type =
      wasm_globaltype_new(wasm_valtype_new_i32(), WASM_CONST);
    own wasm_global_t* global = wasm_global_new(store, global_type, &val);
    wasm_globaltype_delete(global_type);

    // Instantiate.
    wasm_extern_t* externs[] = {
      wasm_func_as_extern(func), wasm_global_as_extern(global),
    };
    wasm_extern_vec_t imports = WASM_ARRAY_VEC(externs);
    own wasm_instance_t* instance =
      wasm_instance_new(store, module, &imports, NULL);
    if (!instance) {
      printf("> Error instantiating module!\n");
      return NULL;
    }

    wasm_func_delete(func);
    wasm_global_delete(global);

    // Extract export.
    own wasm_extern_vec_t exports;
    wasm_instance_exports(instance, &exports);
    if (exports.size == 0) {
      printf("> Error accessing exports!\n");
      return NULL;
    }
    const wasm_func_t *run_func = wasm_extern_as_func(exports.data[0]);
    if (run_func == NULL) {
      printf("> Error accessing export!\n");
      return NULL;
    }

    wasm_instance_delete(instance);

    // Call.
    wasm_val_vec_t empty = WASM_EMPTY_VEC;
    if (wasm_func_call(run_func, &empty, &empty)) {
      printf("> Error calling function!\n");
      return NULL;
    }