From e0968ad45948d5b7a89c468576e660381c88148f Mon Sep 17 00:00:00 2001
From: Nathan James <n.james93@hotmail.co.uk>
Date: Thu, 2 Jul 2020 14:41:03 +0100
Subject: [PATCH] call ::pthread_detach on llvm_execute_on_thread_impl

Fixes all TSAN bugs in clangd

Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D83039
---
 llvm/lib/Support/Unix/Threading.inc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/lib/Support/Unix/Threading.inc b/llvm/lib/Support/Unix/Threading.inc
index 9c1f116..2d0aaca 100644
--- a/llvm/lib/Support/Unix/Threading.inc
+++ b/llvm/lib/Support/Unix/Threading.inc
@@ -94,6 +94,10 @@ llvm_execute_on_thread_impl(void *(*ThreadFunc)(void *), void *Arg,
     if ((errnum = ::pthread_join(Thread, nullptr)) != 0) {
       ReportErrnumFatal("pthread_join failed", errnum);
     }
+  } else if (JP == JoiningPolicy::Detach) {
+    if ((errnum = ::pthread_detach(Thread)) != 0) {
+      ReportErrnumFatal("pthread_detach failed", errnum);
+    }
   }
 }
 
-- 
2.7.4