51 lines
1.2 KiB
Rust
51 lines
1.2 KiB
Rust
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mod callback_info;
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mod env;
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mod error;
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mod js_values;
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mod module_register;
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pub use callback_info::*;
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pub use ctor::ctor;
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pub use env::*;
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pub use js_values::*;
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pub use module_register::*;
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use super::sys;
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use std::{ffi::c_void, mem};
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/// # Safety
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///
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/// called when node wrapper objects destroyed
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pub unsafe extern "C" fn raw_finalize_unchecked<T>(
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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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let obj = finalize_data as *mut T;
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Box::from_raw(obj);
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if !finalize_hint.is_null() {
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let size_hint = *Box::from_raw(finalize_hint as *mut Option<i64>);
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if let Some(changed) = size_hint {
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let mut adjusted = 0i64;
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let status = sys::napi_adjust_external_memory(env, -changed, &mut adjusted);
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debug_assert!(
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status == sys::Status::napi_ok,
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"Calling napi_adjust_external_memory failed"
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);
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};
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}
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}
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/// # Safety
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///
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/// called when node buffer is ready for gc
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pub unsafe extern "C" fn drop_buffer(
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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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let length_ptr = finalize_hint as *mut (usize, usize);
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let (length, cap) = *Box::from_raw(length_ptr);
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mem::drop(Vec::from_raw_parts(finalize_data as *mut u8, length, cap));
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}
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