1 files changed, 21 insertions, 0 deletions
diff --git a/library/std/src/sys/unix/thread_parker/mod.rs b/library/std/src/sys/unix/thread_parker/mod.rs
new file mode 100644
index 000000000..e2453580d
--- /dev/null
+++ b/library/std/src/sys/unix/thread_parker/mod.rs
@@ -0,0 +1,21 @@
+//! Thread parking on systems without futex support.
+
+#![cfg(not(any(
+    target_os = "linux",
+    target_os = "android",
+    all(target_os = "emscripten", target_feature = "atomics"),
+    target_os = "freebsd",
+    target_os = "openbsd",
+    target_os = "dragonfly",
+    target_os = "fuchsia",
+)))]
+
+cfg_if::cfg_if! {
+    if #[cfg(target_os = "netbsd")] {
+        mod netbsd;
+        pub use netbsd::Parker;
+    } else {
+        mod pthread;
+        pub use pthread::Parker;
+    }
+}