1 #include <assert.h>
2 #include <js_native_api.h>
3 #include <stdlib.h>
4 #include "../common.h"
5 #include "../entry_point.h"
6
7 static int test_value = 1;
8 static int finalize_count = 0;
9
FinalizeExternalCallJs(napi_env env, void* data, void* hint)10 static void FinalizeExternalCallJs(napi_env env, void* data, void* hint) {
11 int* actual_value = data;
12 NODE_API_ASSERT_RETURN_VOID(
13 env,
14 actual_value == &test_value,
15 "The correct pointer was passed to the finalizer");
16
17 napi_ref finalizer_ref = (napi_ref)hint;
18 napi_value js_finalizer;
19 napi_value recv;
20 NODE_API_CALL_RETURN_VOID(
21 env, napi_get_reference_value(env, finalizer_ref, &js_finalizer));
22 NODE_API_CALL_RETURN_VOID(env, napi_get_global(env, &recv));
23 NODE_API_CALL_RETURN_VOID(
24 env, napi_call_function(env, recv, js_finalizer, 0, NULL, NULL));
25 NODE_API_CALL_RETURN_VOID(env, napi_delete_reference(env, finalizer_ref));
26 }
27
CreateExternalWithJsFinalize(napi_env env, napi_callback_info info)28 static napi_value CreateExternalWithJsFinalize(napi_env env,
29 napi_callback_info info) {
30 size_t argc = 1;
31 napi_value args[1];
32 NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
33 NODE_API_ASSERT(env, argc == 1, "Wrong number of arguments");
34 napi_value finalizer = args[0];
35 napi_valuetype finalizer_valuetype;
36 NODE_API_CALL(env, napi_typeof(env, finalizer, &finalizer_valuetype));
37 NODE_API_ASSERT(env,
38 finalizer_valuetype == napi_function,
39 "Wrong type of first argument");
40 napi_ref finalizer_ref;
41 NODE_API_CALL(env, napi_create_reference(env, finalizer, 1, &finalizer_ref));
42
43 napi_value result;
44 NODE_API_CALL(env,
45 napi_create_external(env,
46 &test_value,
47 FinalizeExternalCallJs,
48 finalizer_ref, /* finalize_hint */
49 &result));
50
51 finalize_count = 0;
52 return result;
53 }
54
55 EXTERN_C_START
Init(napi_env env, napi_value exports)56 napi_value Init(napi_env env, napi_value exports) {
57 napi_property_descriptor descriptors[] = {
58 DECLARE_NODE_API_PROPERTY("createExternalWithJsFinalize",
59 CreateExternalWithJsFinalize),
60 };
61
62 NODE_API_CALL(
63 env,
64 napi_define_properties(env,
65 exports,
66 sizeof(descriptors) / sizeof(*descriptors),
67 descriptors));
68
69 return exports;
70 }
71 EXTERN_C_END
72