vendor/libc++/r256633

1 files changed, 15 insertions, 0 deletions

diff --git a/test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/lock.pass.cpp b/test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/lock.pass.cpp
index 62bb736837ea..2818bd617542 100644
--- a/test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/lock.pass.cpp
+++ b/test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/lock.pass.cpp
@@ -21,6 +21,8 @@
 #include <cstdlib>
 #include <cassert>
 
+#include "test_macros.h"
+
 std::shared_timed_mutex m;
 
 typedef std::chrono::system_clock Clock;
@@ -29,6 +31,19 @@ typedef Clock::duration duration;
 typedef std::chrono::milliseconds ms;
 typedef std::chrono::nanoseconds ns;
 
+
+ms WaitTime = ms(250);
+
+// Thread sanitizer causes more overhead and will sometimes cause this test
+// to fail. To prevent this we give Thread sanitizer more time to complete the
+// test.
+#if !TEST_HAS_FEATURE(thread_sanitizer)
+ms Tolerance = ms(50);
+#else
+ms Tolerance = ms(100);
+#endif
+
+
 void f()
 {
     time_point t0 = Clock::now();