naskya/napi-rs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

fix(napi): memory ordering issues in tsfn

Browse source
This commit is contained in:
LongYinan 2021-04-12 17:08:12 +08:00
parent 244536c6d2
commit 5a21bbeb8e
No known key found for this signature in database
GPG key ID: C3666B7FC82ADAD7
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
napi/src/threadsafe_function.rs
View file

@ -235,7 +235,7 @@ impl<T: 'static, ES: ErrorStrategy::T> ThreadsafeFunction<T, ES> {
format!("Can not ref, Thread safe function already aborted"),
));
}
self.ref_count.fetch_add(1, Ordering::Acquire);
self.ref_count.fetch_add(1, Ordering::AcqRel);
check_status!(unsafe { sys::napi_ref_threadsafe_function(env.0, self.raw_tsfn) })
}
@ -248,12 +248,12 @@ impl<T: 'static, ES: ErrorStrategy::T> ThreadsafeFunction<T, ES> {
format!("Can not unref, Thread safe function already aborted"),
));
}
self.ref_count.fetch_sub(1, Ordering::Acquire);
self.ref_count.fetch_sub(1, Ordering::AcqRel);
check_status!(unsafe { sys::napi_unref_threadsafe_function(env.0, self.raw_tsfn) })
}
pub fn aborted(&self) -> bool {
self.aborted.load(Ordering::Acquire)
self.aborted.load(Ordering::Relaxed)
}
pub fn abort(self) -> Result<()> {
@ -311,7 +311,7 @@ impl<T: 'static> ThreadsafeFunction<T, ErrorStrategy::Fatal> {
impl<T: 'static, ES: ErrorStrategy::T> Drop for ThreadsafeFunction<T, ES> {
fn drop(&mut self) {
if !self.aborted.load(Ordering::Acquire) && self.ref_count.load(Ordering::Relaxed) > 0usize {
if !self.aborted.load(Ordering::Acquire) && self.ref_count.load(Ordering::Acquire) > 0usize {
let release_status = unsafe {
sys::napi_release_threadsafe_function(
self.raw_tsfn,