channel: Do not cache thread id on aarch64 linux

crossbeam-rs · May 22, 2022 · dcbea2a · dcbea2a
1 parent 80224bc
commit dcbea2a
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/crossbeam-channel/src/waker.rs b/crossbeam-channel/src/waker.rs
@@ -273,6 +273,7 @@ impl Drop for SyncWaker {
 }
 
 /// Returns the id of the current thread.
+#[cfg(not(all(target_arch = "aarch64", target_os = "linux")))]
 #[inline]
 fn current_thread_id() -> ThreadId {
     thread_local! {
@@ -284,3 +285,11 @@ fn current_thread_id() -> ThreadId {
         .try_with(|id| *id)
         .unwrap_or_else(|_| thread::current().id())
 }
+// Do not cache thread id on aarch64 linux because is is buggy:
+// https://github.com/crossbeam-rs/crossbeam/pull/802
+/// Returns the id of the current thread.
+#[cfg(all(target_arch = "aarch64", target_os = "linux"))]
+#[inline]
+fn current_thread_id() -> ThreadId {
+    thread::current().id()
+}