Index: lib/tsan/tests/rtl/tsan_test_util_posix.cc
===================================================================
--- lib/tsan/tests/rtl/tsan_test_util_posix.cc
+++ lib/tsan/tests/rtl/tsan_test_util_posix.cc
@@ -38,6 +38,7 @@
 #define __interceptor_memset wrap_memset
 #define __interceptor_pthread_create wrap_pthread_create
 #define __interceptor_pthread_join wrap_pthread_join
+#define __interceptor_pthread_detach wrap_pthread_detach
 #endif
 
 extern "C" void *__interceptor_memcpy(void *, const void *, uptr);
@@ -47,6 +48,7 @@
                                             void *(*start_routine)(void *),
                                             void *arg);
 extern "C" int __interceptor_pthread_join(pthread_t thread, void **value_ptr);
+extern "C" int __interceptor_pthread_detach(pthread_t thread);
 
 static void *BeforeInitThread(void *param) {
   (void)param;
@@ -381,7 +383,8 @@
   if (!main) {
     pthread_attr_t attr;
     pthread_attr_init(&attr);
-    pthread_attr_setdetachstate(&attr, detached);
+    pthread_attr_setdetachstate(
+        &attr, detached ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE);
     pthread_attr_setstacksize(&attr, 64*1024);
     __interceptor_pthread_create(&impl_->thread, &attr,
         ScopedThread::Impl::ScopedThreadCallback, impl_);
@@ -402,7 +405,7 @@
   CHECK(!impl_->main);
   CHECK(!impl_->detached);
   impl_->detached = true;
-  pthread_detach(impl_->thread);
+  __interceptor_pthread_detach(impl_->thread);
 }
 
 void ScopedThread::Access(void *addr, bool is_write,