1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#include <assert.h>
#include <node.h>
#include <stdio.h>
#include <stdlib.h>
#include <v8.h>
#include <uv.h>
using v8::Context;
using v8::HandleScope;
using v8::Isolate;
using v8::Local;
using v8::Object;
using v8::Value;
size_t count = 0;
struct statically_allocated {
statically_allocated() {
assert(count == 0);
printf("ctor ");
}
~statically_allocated() {
assert(count == 0);
printf("dtor ");
}
} var;
void Dummy(void*) {
assert(0);
}
void Cleanup(void* str) {
printf("%s ", static_cast<const char*>(str));
}
void Initialize(Local<Object> exports,
Local<Value> module,
Local<Context> context) {
node::AddEnvironmentCleanupHook(
context->GetIsolate(),
Cleanup,
const_cast<void*>(static_cast<const void*>("cleanup")));
node::AddEnvironmentCleanupHook(context->GetIsolate(), Dummy, nullptr);
node::RemoveEnvironmentCleanupHook(context->GetIsolate(), Dummy, nullptr);
if (getenv("addExtraItemToEventLoop") != nullptr) {
// Add an item to the event loop that we do not clean up in order to make
// sure that for the main thread, this addon's memory persists even after
// the Environment instance has been destroyed.
static uv_async_t extra_async;
uv_loop_t* loop = node::GetCurrentEventLoop(context->GetIsolate());
int err = uv_async_init(loop, &extra_async, [](uv_async_t*) {});
assert(err == 0);
uv_unref(reinterpret_cast<uv_handle_t*>(&extra_async));
}
}
NODE_MODULE_CONTEXT_AWARE(NODE_GYP_MODULE_NAME, Initialize)
|