Disable generic spin lock based thread parker in libstd

Amanieu · Apr 1, 2019 · 17d36f6 · 17d36f6
1 parent eededc8
commit 17d36f6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/core/src/lib.rs b/core/src/lib.rs
@@ -97,6 +97,8 @@ cfg_if! {
     } else if #[cfg(all(any(feature = "i-am-libstd", feature = "nightly"), target_os = "cloudabi"))] {
         #[path = "thread_parker/cloudabi.rs"]
         mod thread_parker;
+    } else if #[cfg(all(feature = "i-am-libstd", not(target_arch = "wasm32")))] {
+        compile_error!("Not allowed to fall back to generic spin lock based thread parker");
     } else {
         #[path = "thread_parker/generic.rs"]
         mod thread_parker;