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binding.c
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binding.c
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#define NAPI_EXPERIMENTAL
#include "node_api.h"
#include "assert.h"
#include "uv.h"
#include <stdlib.h>
#include "../../js-native-api/common.h"
static void MustNotCall(napi_async_cleanup_hook_handle hook, void* arg) {
assert(0);
}
struct AsyncData {
uv_async_t async;
napi_env env;
napi_async_cleanup_hook_handle handle;
};
static struct AsyncData* CreateAsyncData() {
struct AsyncData* data = (struct AsyncData*) malloc(sizeof(struct AsyncData));
data->handle = NULL;
return data;
}
static void AfterCleanupHookTwo(uv_handle_t* handle) {
struct AsyncData* data = (struct AsyncData*) handle->data;
napi_status status = napi_remove_async_cleanup_hook(data->handle);
assert(status == napi_ok);
free(data);
}
static void AfterCleanupHookOne(uv_async_t* async) {
uv_close((uv_handle_t*) async, AfterCleanupHookTwo);
}
static void AsyncCleanupHook(napi_async_cleanup_hook_handle handle, void* arg) {
struct AsyncData* data = (struct AsyncData*) arg;
uv_loop_t* loop;
napi_status status = napi_get_uv_event_loop(data->env, &loop);
assert(status == napi_ok);
int err = uv_async_init(loop, &data->async, AfterCleanupHookOne);
assert(err == 0);
data->async.data = data;
data->handle = handle;
uv_async_send(&data->async);
}
static napi_value Init(napi_env env, napi_value exports) {
{
struct AsyncData* data = CreateAsyncData();
data->env = env;
napi_add_async_cleanup_hook(env, AsyncCleanupHook, data, &data->handle);
}
{
struct AsyncData* data = CreateAsyncData();
data->env = env;
napi_add_async_cleanup_hook(env, AsyncCleanupHook, data, NULL);
}
{
napi_async_cleanup_hook_handle must_not_call_handle;
napi_add_async_cleanup_hook(
env, MustNotCall, NULL, &must_not_call_handle);
napi_remove_async_cleanup_hook(must_not_call_handle);
}
return NULL;
}
NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)