[libcxx-commits] [libcxx] [libc++] remove yield from timed_backoff_policy (PR #171036)

[via libcxx-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Hui (huixie90)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/171036.diff


1 Files Affected:

- (modified) libcxx/include/__thread/timed_backoff_policy.h (-2) 


``````````diff
diff --git a/libcxx/include/__thread/timed_backoff_policy.h b/libcxx/include/__thread/timed_backoff_policy.h
index 35a72eb61f77e..c6b6e4bbf9142 100644
--- a/libcxx/include/__thread/timed_backoff_policy.h
+++ b/libcxx/include/__thread/timed_backoff_policy.h
@@ -29,8 +29,6 @@ struct __libcpp_timed_backoff_policy {
       __libcpp_thread_sleep_for(chrono::milliseconds(8));
     else if (__elapsed > chrono::microseconds(64))
       __libcpp_thread_sleep_for(__elapsed / 2);
-    else if (__elapsed > chrono::microseconds(4))
-      __libcpp_thread_yield();
     else {
     } // poll
     return false;

``````````

</details>


https://github.com/llvm/llvm-project/pull/171036