fix: Rewrite Node-API (#24101)

Phase 1 node-api rewrite

1 files changed, 0 insertions, 290 deletions

diff --git a/cli/napi/threadsafe_functions.rs b/cli/napi/threadsafe_functions.rs
deleted file mode 100644
index 2ab488627..000000000
--- a/cli/napi/threadsafe_functions.rs
+++ /dev/null
@@ -1,290 +0,0 @@
-// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
-
-use deno_core::futures::channel::mpsc;
-use deno_core::V8CrossThreadTaskSpawner;
-use deno_runtime::deno_napi::*;
-use once_cell::sync::Lazy;
-use std::mem::forget;
-use std::ptr::NonNull;
-use std::sync::atomic::AtomicUsize;
-use std::sync::Arc;
-
-#[repr(transparent)]
-pub struct SendPtr<T>(pub *const T);
-
-unsafe impl<T> Send for SendPtr<T> {}
-unsafe impl<T> Sync for SendPtr<T> {}
-
-static TS_FN_ID_COUNTER: Lazy<AtomicUsize> = Lazy::new(|| AtomicUsize::new(0));
-
-pub struct TsFn {
-  pub id: usize,
-  pub env: *mut Env,
-  pub maybe_func: Option<v8::Global<v8::Function>>,
-  pub maybe_call_js_cb: Option<napi_threadsafe_function_call_js>,
-  pub context: *mut c_void,
-  pub thread_counter: usize,
-  pub ref_counter: Arc<AtomicUsize>,
-  finalizer: Option<napi_finalize>,
-  finalizer_data: *mut c_void,
-  sender: V8CrossThreadTaskSpawner,
-  tsfn_sender: mpsc::UnboundedSender<ThreadSafeFunctionStatus>,
-}
-
-impl Drop for TsFn {
-  fn drop(&mut self) {
-    let env = unsafe { self.env.as_mut().unwrap() };
-    env.remove_threadsafe_function_ref_counter(self.id);
-    if let Some(finalizer) = self.finalizer {
-      unsafe {
-        (finalizer)(self.env as _, self.finalizer_data, ptr::null_mut());
-      }
-    }
-  }
-}
-
-impl TsFn {
-  pub fn acquire(&mut self) -> napi_status {
-    self.thread_counter += 1;
-    napi_ok
-  }
-
-  pub fn release(mut self) -> napi_status {
-    self.thread_counter -= 1;
-    if self.thread_counter == 0 {
-      if self
-        .tsfn_sender
-        .unbounded_send(ThreadSafeFunctionStatus::Dead)
-        .is_err()
-      {
-        return napi_generic_failure;
-      }
-      drop(self);
-    } else {
-      forget(self);
-    }
-    napi_ok
-  }
-
-  pub fn ref_(&mut self) -> napi_status {
-    self
-      .ref_counter
-      .fetch_add(1, std::sync::atomic::Ordering::SeqCst);
-    napi_ok
-  }
-
-  pub fn unref(&mut self) -> napi_status {
-    let _ = self.ref_counter.fetch_update(
-      std::sync::atomic::Ordering::SeqCst,
-      std::sync::atomic::Ordering::SeqCst,
-      |x| {
-        if x == 0 {
-          None
-        } else {
-          Some(x - 1)
-        }
-      },
-    );
-
-    napi_ok
-  }
-
-  pub fn call(&self, data: *mut c_void, is_blocking: bool) {
-    let js_func = self.maybe_func.clone();
-
-    let env = SendPtr(self.env);
-    let context = SendPtr(self.context);
-    let data = SendPtr(data);
-
-    #[inline(always)]
-    fn spawn(
-      sender: &V8CrossThreadTaskSpawner,
-      is_blocking: bool,
-      f: impl FnOnce(&mut v8::HandleScope) + Send + 'static,
-    ) {
-      if is_blocking {
-        sender.spawn_blocking(f);
-      } else {
-        sender.spawn(f);
-      }
-    }
-
-    if let Some(call_js_cb) = self.maybe_call_js_cb {
-      if let Some(func) = js_func {
-        let func = SendPtr(func.into_raw().as_ptr());
-        #[inline(always)]
-        fn call(
-          scope: &mut v8::HandleScope,
-          call_js_cb: napi_threadsafe_function_call_js,
-          func: SendPtr<v8::Function>,
-          env: SendPtr<Env>,
-          context: SendPtr<c_void>,
-          data: SendPtr<c_void>,
-        ) {
-          // SAFETY: This is a valid global from above
-          let func: v8::Global<v8::Function> = unsafe {
-            v8::Global::<v8::Function>::from_raw(
-              scope,
-              NonNull::new_unchecked(func.0 as _),
-            )
-          };
-          let func: v8::Local<v8::Value> =
-            func.open(scope).to_object(scope).unwrap().into();
-          // SAFETY: env is valid for the duration of the callback.
-          //         data lifetime is users responsibility.
-          unsafe {
-            call_js_cb(env.0 as _, func.into(), context.0 as _, data.0 as _)
-          }
-        }
-        spawn(&self.sender, is_blocking, move |scope| {
-          call(scope, call_js_cb, func, env, context, data);
-        });
-      } else {
-        #[inline(always)]
-        fn call(
-          call_js_cb: napi_threadsafe_function_call_js,
-          env: SendPtr<Env>,
-          context: SendPtr<c_void>,
-          data: SendPtr<c_void>,
-        ) {
-          // SAFETY: env is valid for the duration of the callback.
-          //         data lifetime is users responsibility.
-          unsafe {
-            call_js_cb(
-              env.0 as _,
-              std::mem::zeroed(),
-              context.0 as _,
-              data.0 as _,
-            )
-          }
-        }
-        spawn(&self.sender, is_blocking, move |_| {
-          call(call_js_cb, env, context, data);
-        });
-      }
-    } else {
-      spawn(&self.sender, is_blocking, |_| {
-        // TODO: func.call
-      });
-    };
-  }
-}
-
-#[napi_sym::napi_sym]
-fn napi_create_threadsafe_function(
-  env: *mut Env,
-  func: napi_value,
-  _async_resource: napi_value,
-  _async_resource_name: napi_value,
-  _max_queue_size: usize,
-  initial_thread_count: usize,
-  thread_finalize_data: *mut c_void,
-  thread_finalize_cb: Option<napi_finalize>,
-  context: *mut c_void,
-  maybe_call_js_cb: Option<napi_threadsafe_function_call_js>,
-  result: *mut napi_threadsafe_function,
-) -> napi_status {
-  let Some(env_ref) = env.as_mut() else {
-    return napi_generic_failure;
-  };
-  if initial_thread_count == 0 {
-    return napi_invalid_arg;
-  }
-
-  let mut maybe_func = None;
-
-  if let Some(value) = *func {
-    let Ok(func) = v8::Local::<v8::Function>::try_from(value) else {
-      return napi_function_expected;
-    };
-    maybe_func = Some(v8::Global::new(&mut env_ref.scope(), func));
-  }
-
-  let id = TS_FN_ID_COUNTER.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
-
-  let tsfn = TsFn {
-    id,
-    maybe_func,
-    maybe_call_js_cb,
-    context,
-    thread_counter: initial_thread_count,
-    sender: env_ref.async_work_sender.clone(),
-    finalizer: thread_finalize_cb,
-    finalizer_data: thread_finalize_data,
-    tsfn_sender: env_ref.threadsafe_function_sender.clone(),
-    ref_counter: Arc::new(AtomicUsize::new(1)),
-    env,
-  };
-
-  env_ref
-    .add_threadsafe_function_ref_counter(tsfn.id, tsfn.ref_counter.clone());
-
-  if env_ref
-    .threadsafe_function_sender
-    .unbounded_send(ThreadSafeFunctionStatus::Alive)
-    .is_err()
-  {
-    return napi_generic_failure;
-  }
-  *result = transmute::<Box<TsFn>, _>(Box::new(tsfn));
-
-  napi_ok
-}
-
-#[napi_sym::napi_sym]
-fn napi_acquire_threadsafe_function(
-  tsfn: napi_threadsafe_function,
-  _mode: napi_threadsafe_function_release_mode,
-) -> napi_status {
-  let tsfn: &mut TsFn = &mut *(tsfn as *mut TsFn);
-  tsfn.acquire()
-}
-
-#[napi_sym::napi_sym]
-fn napi_unref_threadsafe_function(
-  _env: &mut Env,
-  tsfn: napi_threadsafe_function,
-) -> napi_status {
-  let tsfn: &mut TsFn = &mut *(tsfn as *mut TsFn);
-  tsfn.unref()
-}
-
-/// Maybe called from any thread.
-#[napi_sym::napi_sym]
-pub fn napi_get_threadsafe_function_context(
-  func: napi_threadsafe_function,
-  result: *mut *const c_void,
-) -> napi_status {
-  let tsfn: &TsFn = &*(func as *const TsFn);
-  *result = tsfn.context;
-  napi_ok
-}
-
-#[napi_sym::napi_sym]
-fn napi_call_threadsafe_function(
-  func: napi_threadsafe_function,
-  data: *mut c_void,
-  is_blocking: napi_threadsafe_function_call_mode,
-) -> napi_status {
-  let tsfn: &TsFn = &*(func as *const TsFn);
-  tsfn.call(data, is_blocking != 0);
-  napi_ok
-}
-
-#[napi_sym::napi_sym]
-fn napi_ref_threadsafe_function(
-  _env: &mut Env,
-  func: napi_threadsafe_function,
-) -> napi_status {
-  let tsfn: &mut TsFn = &mut *(func as *mut TsFn);
-  tsfn.ref_()
-}
-
-#[napi_sym::napi_sym]
-fn napi_release_threadsafe_function(
-  tsfn: napi_threadsafe_function,
-  _mode: napi_threadsafe_function_release_mode,
-) -> napi_status {
-  let tsfn: Box<TsFn> = Box::from_raw(tsfn as *mut TsFn);
-  tsfn.release()
-}