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108 lines
2.6 KiB
Rust
108 lines
2.6 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// This test performs initialization similar to napi-rs.
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// https://github.com/napi-rs/napi-rs/commit/a5a04a4e545f268769cc78e2bd6c45af4336aac3
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use napi_sys as sys;
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use std::ffi::c_char;
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use std::ffi::c_void;
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use std::ptr;
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macro_rules! check_status_or_panic {
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($code:expr, $msg:expr) => {{
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let c = $code;
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match c {
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sys::Status::napi_ok => {}
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_ => panic!($msg),
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}
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}};
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}
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fn create_custom_gc(env: sys::napi_env) {
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let mut custom_gc_fn = ptr::null_mut();
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check_status_or_panic!(
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unsafe {
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sys::napi_create_function(
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env,
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"custom_gc".as_ptr() as *const c_char,
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9,
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Some(empty),
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ptr::null_mut(),
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&mut custom_gc_fn,
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)
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},
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"Create Custom GC Function in napi_register_module_v1 failed"
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);
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let mut async_resource_name = ptr::null_mut();
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check_status_or_panic!(
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unsafe {
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sys::napi_create_string_utf8(
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env,
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"CustomGC".as_ptr() as *const c_char,
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8,
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&mut async_resource_name,
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)
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},
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"Create async resource string in napi_register_module_v1 napi_register_module_v1"
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);
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let mut custom_gc_tsfn = ptr::null_mut();
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check_status_or_panic!(
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unsafe {
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sys::napi_create_threadsafe_function(
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env,
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custom_gc_fn,
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ptr::null_mut(),
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async_resource_name,
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0,
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1,
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ptr::null_mut(),
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Some(custom_gc_finalize),
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ptr::null_mut(),
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Some(custom_gc),
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&mut custom_gc_tsfn,
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)
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},
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"Create Custom GC ThreadsafeFunction in napi_register_module_v1 failed"
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);
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check_status_or_panic!(
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unsafe { sys::napi_unref_threadsafe_function(env, custom_gc_tsfn) },
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"Unref Custom GC ThreadsafeFunction in napi_register_module_v1 failed"
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);
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}
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unsafe extern "C" fn empty(
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_env: sys::napi_env,
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_info: sys::napi_callback_info,
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) -> sys::napi_value {
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ptr::null_mut()
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}
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unsafe extern "C" fn custom_gc_finalize(
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_env: sys::napi_env,
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_finalize_data: *mut c_void,
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_finalize_hint: *mut c_void,
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) {
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}
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extern "C" fn custom_gc(
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env: sys::napi_env,
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_js_callback: sys::napi_value,
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_context: *mut c_void,
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data: *mut c_void,
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) {
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let mut ref_count = 0;
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check_status_or_panic!(
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unsafe {
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sys::napi_reference_unref(env, data as sys::napi_ref, &mut ref_count)
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},
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"Failed to unref Buffer reference in Custom GC"
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);
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check_status_or_panic!(
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unsafe { sys::napi_delete_reference(env, data as sys::napi_ref) },
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"Failed to delete Buffer reference in Custom GC"
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);
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}
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pub fn init(env: sys::napi_env, _exports: sys::napi_value) {
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create_custom_gc(env);
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}
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